NTN Deep Groove Ball Bearings , 6810

Description



Item # d D B r Static Load Rating Dynamic Load Rating
6810 1.9685 in
50.000 mm		 2.5591 in
65.000 mm		 0.2756 in
7.000 mm		 0.0118 in
0.300 mm		 1370 lbf
6100 N
6.10 kN		 1640 lbf
7300 N
7.30 kN




1. Design features and characteristics

Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings. 

Types and codes N Shielded type Shielded type
Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH
Construction
Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction.
Torque Small Small Higher Medium
Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type
Water proofing Poor Poor Very good Good
High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type
Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

Product form

Item # d D B r Static Load Rating Dynamic Load Rating 6810 1.9685 in 50.000 mm 2.5591 in 65.000... Read more

SKU: 6810

$15.18 Excl. VAT

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    Description



    Item # d D B r Static Load Rating Dynamic Load Rating
    6810 1.9685 in
    50.000 mm    		 2.5591 in
    65.000 mm    		 0.2756 in
    7.000 mm    		 0.0118 in
    0.300 mm    		 1370 lbf
    6100 N
    6.10 kN    		 1640 lbf
    7300 N
    7.30 kN




    1. Design features and characteristics

    Deep groove ball bearings are very widely used. A deep groove is formed on the inner and outer ring of the bearing enabling the bearing to sustain radial and axial loads in either direction as well as the complex loads which result from the combination of these forces. Deep groove ball bearings are suitable for high speed applications. When two or more deep groove ball bearings are used in combination and mounted adjacent to each other a duplex set (D2) should be used. Duplex bearings (D2) utilize controlled tolerances to more evenly distribute the loading between the individual bearing rows which improves the overall performance of the assembly. In addition to unsealed and unlubricated “open” bearings, NTN provides deep groove ball bearings that are pre-lubricated with grease and enclosed by seals or shields. See section “11. Lubrication” for a list of some of the greases which can be used. Table 1 shows the construction and special characteristics of various sealed deep groove ball bearings. 

    Types and codes N Shielded type Shielded type
    Non-contact type ZZ Non-contact type LLB Contact type LLU Low torque type LLH
    Construction
    Metal shield plate is affixed to the outside ring; the inner ring incorporates a V-groove and labyrinth clearance. The outer ring incorporates synthetic rubber molded to a steel plate; seal edge is aligned with V-groove along inner ring surface with labyrinth clearance The outer ring incorporates synthetic rubber molded to a steel plate; seal edge contacts V-groove along inner ring surface Basic construction is the same as LLU type, but a specially designed lip on the edge of the seal prevents foreign matter penetration; low torque construction.
    Torque Small Small Higher Medium
    Dust proofing Good Better than ZZ-type Excellent Much better than LLB-type
    Water proofing Poor Poor Very good Good
    High speed capacity Same as open type Same as open type Limited by contact seals Much better than LLU-type
    Allowable temp. range Depends on lubricant −25 to 120°C −25 to 110°C −25 to 120°C

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