Miniature Ball Bearing
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- Products: Miniature Ball Bearing
- Products: Miniature Ball Bearing
Product Code System

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

Plastic Snap Retainer
Material: Nylon
Code: N

Pressed Snap Steel Retainer
Material: SUS420J2
Code: M

Pressed Steel Ribbon Retainer
Material: SUS304
Code: R
Shield

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

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

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

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 |