NTN Self-Aligning Ball Bearings

Item # d D B r Static Load Rating Dynamic Load Rating 2311 2.1654 in 55.000 mm 4.7244 in 120.000 mm 1.6929 in 43.000 mm 0.0787 in 2.000 mm 5400 lbf 24000 N 24.00 kN 17200 lbf 76500 N 76.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2310 1.9685 in 50.000 mm 4.3307 in 110.000 mm 1.5748 in 40.000 mm 0.0787 in 2.000 mm 4550 lbf 20200 N 20.20 kN 14600 lbf 65000 N 65.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2309 1.7717 in 45.000 mm 3.9370 in 100.000 mm 1.4173 in 36.000 mm 0.0591 in 1.500 mm 3750 lbf 16700 N 16.70 kN 12400 lbf 55000 N 55.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2308 1.5748 in 40.000 mm 3.5433 in 90.000 mm 1.2992 in 33.000 mm 0.0591 in 1.500 mm 3050 lbf 13500 N 13.50 kN 10200 lbf 45500 N 45.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2307 1.3780 in 35.000 mm 3.1496 in 80.000 mm 1.2205 in 31.000 mm 0.0591 in 1.500 mm 2540 lbf 11300 N 11.30 kN 9000 lbf 40000 N 40.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2306 1.1811 in 30.000 mm 2.8346 in 72.000 mm 1.0630 in 27.000 mm 0.0433 in 1.100 mm 1970 lbf 8750 N 8.75 kN 7200 lbf 32000 N 32.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2305 0.9843 in 25.000 mm 2.4409 in 62.000 mm 0.9449 in 24.000 mm 0.0433 in 1.100 mm 1480 lbf 6600 N 6.60 kN 5600 lbf 24900 N 24.90 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2304 0.7874 in 20.000 mm 2.0472 in 52.000 mm 0.8268 in 21.000 mm 0.0433 in 1.100 mm 1060 lbf 4700 N 4.70 kN 4150 lbf 18500 N 18.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2303 0.6693 in 17.000 mm 1.8504 in 47.000 mm 0.7480 in 19.000 mm 0.0394 in 1.000 mm 800 lbf 3550 N 3.55 kN 3300 lbf 14700 N 14.70 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2302 0.5906 in 15.000 mm 1.6535 in 42.000 mm 0.6693 in 17.000 mm 0.0394 in 1.000 mm 655 lbf 2910 N 2.91 kN 2770 lbf 12300 N 12.30 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2301 0.4724 in 12.000 mm 1.4567 in 37.000 mm 0.6693 in 17.000 mm 0.0394 in 1.000 mm 615 lbf 2730 N 2.73 kN 272 lbf 1210 N 1.21 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2300 0.3937 in 10.000 mm 1.3780 in 35.000 mm 0.6693 in 17.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 2070 lbf 9200 N 9.20 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.8110 in 46.000 mm 0.0827 in 2.100 mm 8650 lbf 38500 N 38.50 kN 21200 lbf 94500 N 94.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.6929 in 43.000 mm 0.0827 in 2.100 mm 7750 lbf 34500 N 34.50 kN 18900 lbf 84000 N 84.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.5748 in 40.000 mm 0.0787 in 2.000 mm 6450 lbf 28700 N 28.70 kN 15800 lbf 70500 N 70.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.4173 in 36.000 mm 0.0787 in 2.000 mm 5300 lbf 23600 N 23.60 kN 13200 lbf 58500 N 58.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.2992 in 33.000 mm 0.0787 in 2.000 mm 4450 lbf 19900 N 19.90 kN 11000 lbf 49000 N 49.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 1.2205 in 31.000 mm 0.0591 in 1.500 mm 4000 lbf 17800 N 17.80 kN 10000 lbf 44500 N 44.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 1.2205 in 31.000 mm 0.0591 in 1.500 mm 3850 lbf 17100 N 17.10 kN 9900 lbf 44000 N 44.00 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 2213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 1.2205 in 31.000 mm 0.0591 in 1.500 mm 3700 lbf 16400 N 16.40 kN 9800 lbf 43500 N 43.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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Item # d D B r Static Load Rating Dynamic Load Rating 1200 0.3937 in 10.000 mm 1.1811 in 30.000 mm 0.3543 in 9.000 mm 0.0236 in 0.600 mm 268 lbf 1190 N 1.19 kN 1250 lbf 5550 N 5.55 kN 1201 0.4724 in 12.000 mm 1.2598 in 32.000 mm 0.3937 in 10.000 mm 0.0236 in 0.600 mm 286 lbf 1270 N 1.27 kN 1280 lbf 5700 N 5.70 kN 1202 0.5906 in 15.000 mm 1.3780 in 35.000 mm 0.4331 in 11.000 mm 0.0236 in 0.600 mm 395 lbf 1750 N 1.75 kN 1710 lbf 7600 N 7.60 kN 1203 0.6693 in 17.000 mm 1.5748 in 40.000 mm 0.4724 in 12.000 mm 0.0236 in 0.600 mm 450 lbf 2010 N 2.01 kN 1800 lbf 8000 N 8.00 kN 1204 0.7874 in 20.000 mm 1.8504 in 47.000 mm 0.5512 in 14.000 mm 0.0394 in 1.000 mm 585 lbf 2610 N 2.61 kN 2250 lbf 10000 N 10.00 kN 1205 0.9843 in 25.000 mm 2.0472 in 52.000 mm 0.5906 in 15.000 mm 0.0394 in 1.000 mm 740 lbf 3300 N 3.30 kN 2740 lbf 12200 N 12.20 kN 1206 1.1811 in 30.000 mm 2.4409 in 62.000 mm 0.6299 in 16.000 mm 0.0394 in 1.000 mm 1050 lbf 4650 N 4.65 kN 3550 lbf 15800 N 15.80 kN 1207 1.3780 in 35.000 mm 2.8346 in 72.000 mm 0.6693 in 17.000 mm 0.0433 in 1.100 mm 1150 lbf 5100 N 5.10 kN 3550 lbf 15900 N 15.90 kN 1208 1.5748 in 40.000 mm 3.1496 in 80.000 mm 0.7087 in 18.000 mm 0.0433 in 1.100 mm 1460 lbf 6500 N 6.50 kN 4350 lbf 19300 N 19.30 kN 1209 1.7717 in 45.000 mm 3.3465 in 85.000 mm 0.7480 in 19.000 mm 0.0433 in 1.100 mm 1650 lbf 7350 N 7.35 kN 4950 lbf 22000 N 22.00 kN 1210 1.9685 in 50.000 mm 3.5433 in 90.000 mm 0.7874 in 20.000 mm 0.0433 in 1.100 mm 1820 lbf 8100 N 8.10 kN 5150 lbf 22800 N 22.80 kN 1211 2.1654 in 55.000 mm 3.9370 in 100.000 mm 0.8268 in 21.000 mm 0.0591 in 1.500 mm 2250 lbf 10000 N 10.00 kN 6050 lbf 26900 N 26.90 kN 1212 2.3622 in 60.000 mm 4.3307 in 110.000 mm 0.8661 in 22.000 mm 0.0591 in 1.500 mm 2590 lbf 11500 N 11.50 kN 6850 lbf 30500 N 30.50 kN 1213 2.5591 in 65.000 mm 4.7244 in 120.000 mm 0.9055 in 23.000 mm 0.0591 in 1.500 mm 2810 lbf 12500 N 12.50 kN 6950 lbf 31000 N 31.00 kN 1214 2.7559 in 70.000 mm 4.9213 in 125.000 mm 0.9449 in 24.000 mm 0.0591 in 1.500 mm 3100 lbf 13800 N 13.80 kN 7850 lbf 35000 N 35.00 kN 1215 2.9528 in 75.000 mm 5.1181 in 130.000 mm 0.9843 in 25.000 mm 0.0591 in 1.500 mm 3550 lbf 15700 N 15.70 kN 8750 lbf 39000 N 39.00 kN 1216 3.1496 in 80.000 mm 5.5118 in 140.000 mm 1.0236 in 26.000 mm 0.0787 in 2.000 mm 3800 lbf 17000 N 17.00 kN 9000 lbf 40000 N 40.00 kN 1217 3.3465 in 85.000 mm 5.9055 in 150.000 mm 1.1024 in 28.000 mm 0.0800 in 2.032 mm 4700 lbf 20800 N 20.80 kN 11100 lbf 49500 N 49.50 kN 1218 3.5433 in 90.000 mm 6.2992 in 160.000 mm 1.1811 in 30.000 mm 0.0787 in 2.000 mm 5300 lbf 23500 N 23.50 kN 12900 lbf 57500 N 57.50 kN 1219 3.7402 in 95.000 mm 6.6929 in 170.000 mm 1.2598 in 32.000 mm 0.0827 in 2.100 mm 6100 lbf 27100 N 27.10 kN 14400 lbf 64000 N 64.00 kN 1220 3.9370 in 100.000 mm 7.0866 in 180.000 mm 1.3386 in 34.000 mm 0.0827 in 2.100 mm 6700 lbf 29700 N 29.70 kN 15600 lbf 69500 N 69.50 kN 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2316S Self-Aligning Ball Bearing (Inside Dia - 80mm, Outside Dia - 170mm) SPECIFICATIONS Type of Product : Self-Aligning Ball Bearing Inside Diameter (d) (mm) : 80 Outside Diameter D (mm) : 170 Width Dia mm : 58 Model No : 2316S 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2210K Self Aligning Ball Bearings w/ Tapered Bore SPECIFICATIONS Bore Type Tapered Bore Diameter 50 mm, 1.9685 in Outside Diameter 90 mm, 3.5433 in Overall Width 23 mm, 0.9055 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 5250 lbf Seal Type None Static Load Capacity 1900 lbf Precision Rating Class 0 Maximum RPM 8000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Harmonization Code 8482.10.5060 Outer Ring Width 0.9055 in; 23.000 mm Inner Ring Width 23.000 mm, 0.9055 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359261882 Weight 1.261 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2205K Self Aligning Ball Bearings w/ Tapered Bore SPECIFICATIONS Bore Type Tapered Bore Diameter 25 mm, 0.9843 in Outside Diameter 52 mm, 2.0472 in Overall Width 18 mm, 0.7087 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 2790 lbf Seal Type None Static Load Capacity 775 lbf Precision Rating Class 0 Maximum RPM 14000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Harmonization Code 8482.10.5060 Outer Ring Width 0.7087 in; 18.000 mm Inner Ring Width 18.000 mm, 0.7087 in Fillet Radius 1.000 mm, 0.0394 in Manufacturer UPC Number 4547359261622 Weight 0.335 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1318K Self-Aligning Ball Bearing - Taper 1:12, 90 mm ID, 190 mm OD, 43 mm Width, Open, CN SPECIFICATIONS Bore Type Tapered Bore Diameter 90.000 mm, 3.5433 in Outside Diameter 190.000 mm, 7.4803 in Overall Width 43.000 mm, 1.6929 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 26300 lbf Seal Type None Static Load Capacity 10000 lbf Precision Rating Class 0 Maximum RPM 3800 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 1.6929 in; 43.000 mm Inner Ring Width 43.000 mm, 1.6929 in Fillet Radius 0.1181 in, 3.000 mm Manufacturer UPC Number 4547359257373 Weight 12.474 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN1305K Self Aligning Ball Bearings w/ Tapered Bore SPECIFICATIONS Bore Type Tapered Bore Diameter 25 mm, 0.9843 in Outside Diameter 62 mm, 2.4409 in Overall Width 17 mm, 0.6693 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 4100 lbf Seal Type None Static Load Capacity 1120 lbf Precision Rating Class 0 Maximum RPM 13000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Harmonization Code 8482.10.5060 Outer Ring Width 0.6693 in; 17.000 mm Inner Ring Width 17.000 mm, 0.6693 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359746303 Weight 0.553 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1208K Self-Aligning Ball Bearing - Taper 1:12, 40 mm ID, 80 mm OD, 18 mm Width, Open, CN SPECIFICATIONS Bore Type Tapered Bore Diameter 1.5748 in, 40.000 mm Outside Diameter 3.1496 in, 80.000 mm Overall Width 18.000 mm, 0.7087 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 4350 lbf Seal Type None Static Load Capacity 1460 lbf Precision Rating Class 0 Maximum RPM 9000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.7087 in; 18.000 mm Inner Ring Width 18.000 mm, 0.7087 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359513271 Weight 0.899 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1207K Self-Aligning Ball Bearing - Taper 1:12, 35 mm ID, 72 mm OD, 17 mm Width, Open, CN SPECIFICATIONS Bore Type Tapered Bore Diameter 35.000 mm, 1.3780 in Outside Diameter 72.000 mm, 2.8346 in Overall Width 17.000 mm, 0.6693 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 3550 lbf Seal Type None Static Load Capacity 1150 lbf Precision Rating Class 0 Maximum RPM 10000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.6693 in; 17.000 mm Inner Ring Width 17.000 mm, 0.6693 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359513172 Weight 0.694 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1206K Self-Aligning Ball Bearing - Taper 1:12, 30 mm ID, 62 mm OD, 16 mm Width, Open, CN SPECIFICATIONS Bore Type Tapered Bore Diameter 1.1811 in, 30.000 mm Outside Diameter 62.000 mm, 2.4409 in Overall Width 16.000 mm, 0.6299 in Closure Type Open Cage Type Fiber Glass Reinforced Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 3550 lbf Seal Type None Static Load Capacity 1050 lbf Precision Rating Class 0 Maximum RPM 12000 rpm Bearing Material High Carbon Chrome Steel Cage Material Nylon Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.6299 in; 16.000 mm Inner Ring Width 16.000 mm, 0.6299 in Fillet Radius 1.000 mm, 0.0394 in Manufacturer UPC Number 4547359254945 Weight 0.474 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1205K Self-Aligning Ball Bearing - Taper 1:12, 25 mm ID, 52 mm OD, 15 mm Width, Open, CN SPECIFICATIONS Bore Type Tapered Bore Diameter 0.9843 in, 25.000 mm Outside Diameter 52.000 mm, 2.0472 in Overall Width 15.000 mm, 0.5906 in Closure Type Open Cage Type Fiber Glass Reinforced Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 2740 lbf Seal Type None Static Load Capacity 740 lbf Precision Rating Class 0 Maximum RPM 14000 rpm Bearing Material High Carbon Chrome Steel Cage Material Nylon Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.5906 in; 15.000 mm Inner Ring Width 15.000 mm, 0.5906 in Fillet Radius 1.000 mm, 0.0394 in Manufacturer UPC Number 4547359254877 Weight 0.289 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2310 Self-Aligning Ball Bearing - Straight Bore, 50 mm ID, 110 mm OD, 40 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 1.9685 in, 50.000 mm Outside Diameter 110.000 mm, 4.3307 in Overall Width 1.5748 in, 40.000 mm Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 14600 lbf Seal Type None Static Load Capacity 4550 lbf Precision Rating Class 0 Maximum RPM 6300 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 1.5748 in; 40.000 mm Inner Ring Width 1.5748 in, 40.000 mm Fillet Radius 2.000 mm, 0.0787 in Series 23 Manufacturer UPC Number 4547359521313 Weight 3.587 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2209 Self-Aligning Ball Bearing - Straight Bore, 45 mm ID, 85 mm OD, 23 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 1.7717 in, 45.000 mm Outside Diameter 3.3465 in, 85.000 mm Overall Width 23.000 mm, 0.9055 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 5250 lbf Seal Type None Static Load Capacity 1830 lbf Precision Rating Class 0 Maximum RPM 8500 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.9055 in; 23.000 mm Inner Ring Width 23.000 mm, 0.9055 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359261790 Weight 1.193 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2208 Self-Aligning Ball Bearing - Straight Bore, 40 mm ID, 80 mm OD, 23 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 1.5748 in, 40.000 mm Outside Diameter 3.1496 in, 80.000 mm Overall Width 23.000 mm, 0.9055 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 5050 lbf Seal Type None Static Load Capacity 1650 lbf Precision Rating Class 0 Maximum RPM 9000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.9055 in; 23.000 mm Inner Ring Width 23.000 mm, 0.9055 in Fillet Radius 1.100 mm, 0.0433 in Manufacturer UPC Number 4547359518696 Weight 1.087 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 2201 Self-Aligning Ball Bearing - Straight Bore, 12 mm ID, 32 mm OD, 14 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 0.4724 in, 12.000 mm Outside Diameter 1.2598 in, 32.000 mm Overall Width 14.000 mm, 0.5512 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 1740 lbf Seal Type None Static Load Capacity 390 lbf Precision Rating Class 0 Maximum RPM 26000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.5512 in; 14.000 mm Inner Ring Width 14.000 mm, 0.5512 in Fillet Radius 0.600 mm, 0.0236 in Manufacturer UPC Number 4547359518634 Weight 0.115 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1310 Self-Aligning Ball Bearing - Straight Bore, 50 mm ID, 110 mm OD, 27 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 1.9685 in, 50.000 mm Outside Diameter 110.000 mm, 4.3307 in Overall Width 27.000 mm, 1.0630 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 9800 lbf Seal Type None Static Load Capacity 3150 lbf Precision Rating Class 0 Maximum RPM 6700 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 1.0630 in; 27.000 mm Inner Ring Width 27.000 mm, 1.0630 in Fillet Radius 2.000 mm, 0.0787 in Series 13 Manufacturer UPC Number 4547359256789 Weight 2.635 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1216 Self-Aligning Ball Bearing - Straight Bore, 80 mm ID, 140 mm OD, 26 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 3.1496 in, 80.000 mm Outside Diameter 140.000 mm, 5.5118 in Overall Width 26.000 mm, 1.0236 in Closure Type Open Cage Type Pressed Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 9000 lbf Seal Type None Static Load Capacity 3800 lbf Precision Rating Class 0 Maximum RPM 5000 rpm Bearing Material High Carbon Chrome Steel Cage Material Steel Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 1.0236 in; 26.000 mm Inner Ring Width 26.000 mm, 1.0236 in Fillet Radius 2.000 mm, 0.0787 in Manufacturer UPC Number 4547359255850 Weight 3.629 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1205 Self-Aligning Ball Bearing - Straight Bore, 25 mm ID, 52 mm OD, 15 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 0.9843 in, 25.000 mm Outside Diameter 52.000 mm, 2.0472 in Overall Width 15.000 mm, 0.5906 in Closure Type Open Cage Type Fiber Glass Reinforced Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 2740 lbf Seal Type None Static Load Capacity 740 lbf Precision Rating Class 0 Maximum RPM 14000 rpm Bearing Material High Carbon Chrome Steel Cage Material Nylon Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.5906 in; 15.000 mm Inner Ring Width 15.000 mm, 0.5906 in Fillet Radius 1.000 mm, 0.0394 in Series 12 Manufacturer UPC Number 4547359254822 Weight 0.291 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1201 Self-Aligning Ball Bearing - Straight Bore, 12 mm ID, 32 mm OD, 10 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 0.4724 in, 12.000 mm Outside Diameter 1.2598 in, 32.000 mm Overall Width 0.3937 in, 10.000 mm Closure Type Open Cage Type Fiber Glass Reinforced Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 1280 lbf Seal Type None Static Load Capacity 286 lbf Precision Rating Class 0 Maximum RPM 26000 rpm Bearing Material High Carbon Chrome Steel Cage Material Nylon Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.3937 in; 10.000 mm Inner Ring Width 0.3937 in, 10.000 mm Fillet Radius 0.600 mm, 0.0236 in Series 12 Manufacturer UPC Number 4547359512953 Weight 0.090 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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NTN 1200 Self-Aligning Ball Bearing - Straight Bore, 10 mm ID, 30 mm OD, 9 mm Width, Open, CN SPECIFICATIONS Bore Type Cylindrical Bore Diameter 0.3937 in, 10.000 mm Outside Diameter 1.1811 in, 30.000 mm Overall Width 9.000 mm, 0.3543 in Closure Type Open Cage Type Fiber Glass Reinforced Internal Clearance CN Operating Temperature Range -40 to 250 ºF Seal Material None Dynamic Load Capacity 1250 lbf Seal Type None Static Load Capacity 268 lbf Precision Rating Class 0 Maximum RPM 28000 rpm Bearing Material High Carbon Chrome Steel Cage Material Nylon Finish/Coating Uncoated Harmonization Code 8482.10.5060 Outer Ring Width 0.3543 in; 9.000 mm Inner Ring Width 9.000 mm, 0.3543 in Fillet Radius 0.600 mm, 0.0236 in Series 12 Manufacturer UPC Number 4547359512946 Weight 0.071 lb 1. Design features and characteristics The outer ring raceway of self-aligning ball bearings forms a spherical surface whose center is common to the bearing center. The inner ring of the bearing has two raceways.The balls, cage, and inner ring of these bearings are capable of shifting in order to compensate for a certain degree of misalignment with the outer rings. As a result, the bearing is able to align itself and compensate for shaft / housing finishing unevenness, bearing fitting error, and other sources of misalignment as shown in Fig. 1.Since axial load capacity is limited, self- aligning ball bearing are not suitable for applications with heavy axial loads. It is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications.   2. Standard cage type All bearing series are equipped with a pressed cage, except 2321S and 2322S, which are equipped with a machined cage.Self-Aligning Ball BearingsIt is recommended to use an adapter on a self-aligning ball bearing with a tapered bore inner diameter for ease of installation and disassembly. These bearings and adapters are often used on drive shaft applications. Table 1 Standard cage types of spherical ball bearings     3. Ball protrusion Bearings with part numbers listed in Table 2 below have balls which protrude slightly from the bearing face as illustrated in Fig. 2. The total width dimensions are shown in Table 2. 4.  Allowable misalignment angle The allowable misalignment angle can be determined by the following function. This degree of allowable misalignment may be limited by the design of mating components around the bearing.Normal load ....................... 1/15   5.  Precautions for using self-aligning ball bearings Self-aligning ball bearings are unable to support large axial loads and therefore axial loading shall be limited.Please consider using self-aligning roller bearings when a large axial load is to be applied.

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