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We are dedicated ourselves to Water Pump Bearings, high-precision mini-sized deep groove ball Bearings and automotive Bearings. Our products are widely used in the high speed electric motors in automobiles, vacuum cleaners, air conditioners and massagers etc.
| NPB |
Bore |
Outside Diameter |
Width |
| Part No. |
Frac. |
Inch |
Frac. |
Inch |
Open |
Seal/Shield |
| RFQ per item |
Frac. |
Inch |
Frac. |
Inch |
| R2 |
3.175 |
1/4 |
9.525 |
3/8 |
3.967 |
1/6 |
3.976 |
1/6 |
| R3 |
4.762 |
3/16 |
12.700 |
1/2 |
3.967 |
1/6 |
4.978 |
1/5 |
| R4 |
6.350 |
1/4 |
15.875 |
5/8 |
4.978 |
1/5 |
4.978 |
1/5 |
| R6 |
9.525 |
3/8 |
22.225 |
7/8 |
5.558 |
2/9 |
7.142 |
2/7 |
| R8 |
12.700 |
1/2 |
28.575 |
11/8 |
6.350 |
1/4 |
7.938 |
1/3 |
| Material: GCr15, equals to Standard SAE 52100(USA). DIN100Cr6(Germany). BS535A99(UK) |
| R series bearings are available in open, sealed and shielded configurations. Sealed and shielded bearings may be slightly wider as shown in the table. |
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