NTN 2205K Self-Aligning Ball Bearing w/ Tapered Bore D=25

Description

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 Bearings
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.

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.

Product form

NTN 2205K Self Aligning Ball Bearings w/ Tapered Bore SPECIFICATIONS Bore Type Tapered Bore Diameter 25 mm, 0.9843 in Outside Diameter... Read more

SKU: 2205K

$11.00 Excl. VAT

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    Description

    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 Bearings
    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.

    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 Bearing w/ Tapered Bore D=25

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