Miniature Ball Bearing
PRODUCTS

Product Code System

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Material of Ring and Ball

  Material Code
Inner ring and Outer ring Chrome steel C
Stainless steel S
Ball Chrome steel CH
Stainless steel CS
Ceramic CM

 

Retainer

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Plastic Snap Retainer
Material: Nylon
Code: N

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Pressed Snap Steel Retainer
Material: SUS420J2
Code: M

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Pressed Steel Ribbon Retainer
Material: SUS304
Code: R

Shield

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Pressed Steel Shield
Material: SUS304
Code: Z(One side) ZZ(Both sides)

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Steel Shield with Snap Ring
Material: SUS304
Code: Z(One side) ZZ(Both sides)

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Non-contact Rubber Seal
Material: SPCC+ Oil resistant rubber
Code: LB(One side) LLB(Both sides)

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Contact Rubber Seal
Material: SPCC+ Oil resistant rubber
Code: ⅬU(One side) LLU(Both sides)

Grease

 

  Normal High Temperature SuperHigh Temperature
Code 1301 1302 1303 3201 32302 33501 93602 5601 5602
Thickener Lithium soap Urea Urea Urea/PTFE PTFE
Base Oil Ester PAO Ester/
PAO
Ester/
Ether
Ester/
Fluorine
Fluorine
Main applications Small motors (cooling fan motor, etc.) - Small motor
- Server cooling fan motor
- Automotive small
motor
Automotive cooling fan motor and other automotive parts

 

Lineup

  Bearing Number     JIS Bore Diameter: d(mm) Outside Diameter: D(mm) Width: B (mm) DW(mm) x Z 
mm 3010 681 1.0 3.0 1.0 0.500 x 7
4015 68/1.5 1.5 4.0 1.2 0.600 x 7
4015 68/1.5ZZ 1.5 4.0 2.0 0.600 x 7
4020 672 2.0 4.0 1.2 0.600 x 8
5020 682 2.0 5.0 2.5 0.800 x 7
6030 673 3.0 6.0 2.5 0.800 x 8
8030 693 3.0 8.0 4.0 1.588 x 6
7040 674 4.0 7.0 2.5 0.800 x 11
1240 604 4.0 12.0 4.0 2.000 x 7
8050 675 5.0 8.0 2.0 0.800 x 13
8050 5.0 8.0 2.5 0.800 x 13
1350 695 5.0 13.0 4.0 2.000 x 8
1560 696 6.0 15.0 5.0 2.778 x 7
inch R418 R144 3.175 6.35 2.38 1.000 x 7
RW418 - 3.175 6.35 2.779 1.000 x 7
RW418A - 3.175 6.35 2.779 1.000 x 7
R2 - 3.175 9.525 3.967 1.588 x 7
R614 - 6.35 9.525 3.175 1.000 x 13