| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| D/W R3A | 4.762 | 15.875 | 4.978 | 0.852 | 0.315 | 85000 | 56000 | Deep groove ball bearing |
| D/W R3A-2RS1 | 4.762 | 15.875 | 4.978 | 0.852 | 0.315 | 28000 | Deep groove ball bearing | |
| D/W R3A-2RZ | 4.762 | 15.875 | 4.978 | 0.852 | 0.315 | 85000 | 45000 | Deep groove ball bearing |
| D/W R3A-2Z | 4.762 | 15.875 | 4.978 | 0.852 | 0.315 | 85000 | 45000 | Deep groove ball bearing |
| D/W R3W.1562 R | 4.762 | 12.7 | 3.967 | 0.741 | 0.25 | 110000 | 70000 | Deep groove ball bearing |
| D/W R3W.1562-2Z | 4.762 | 12.7 | 3.967 | 0.605 | 0.216 | 110000 | 56000 | Deep groove ball bearing |
| D/W R4 | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 60000 | Deep groove ball bearing |
| D/W R4 R | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 60000 | Deep groove ball bearing |
| D/W R4 R-2RS1 | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 28000 | Deep groove ball bearing | |
| D/W R4 R-2RZ | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 48000 | Deep groove ball bearing |
| D/W R4 R-2Z | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 48000 | Deep groove ball bearing |
| D/W R4-2RS1 | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 28000 | Deep groove ball bearing | |
| D/W R4-2RZ | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 48000 | Deep groove ball bearing |
| D/W R4-2Z | 6.35 | 15.875 | 4.978 | 0.852 | 0.315 | 95000 | 48000 | Deep groove ball bearing |
| D/W R4A | 6.35 | 19.05 | 5.558 | 1.53 | 0.585 | 80000 | 50000 | Deep groove ball bearing |
| D/W R4A-2RS1 | 6.35 | 19.05 | 7.142 | 1.53 | 0.585 | 24000 | Deep groove ball bearing | |
| D/W R4A-2RZ | 6.35 | 19.05 | 7.142 | 1.53 | 0.585 | 80000 | 40000 | Deep groove ball bearing |
| D/W R4A-2Z | 6.35 | 19.05 | 7.142 | 1.53 | 0.585 | 80000 | 40000 | Deep groove ball bearing |
| D/W R6 | 9.525 | 22.225 | 5.558 | 2.47 | 1.12 | 70000 | 45000 | Deep groove ball bearing |
| D/W R6 R | 9.525 | 22.225 | 5.558 | 2.47 | 1.12 | 70000 | 45000 | Deep groove ball bearing |
| D/W R6 R-2RS1 | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 20000 | Deep groove ball bearing | |
| D/W R6 R-2RZ | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 70000 | 36000 | Deep groove ball bearing |
| D/W R6 R-2Z | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 70000 | 36000 | Deep groove ball bearing |
| D/W R6-2RS1 | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 20000 | Deep groove ball bearing | |
| D/W R6-2RZ | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 70000 | 36000 | Deep groove ball bearing |
| D/W R6-2Z | 9.525 | 22.225 | 7.142 | 2.47 | 1.12 | 70000 | 36000 | Deep groove ball bearing |
| D/W R6-5 | 12.7 | 22.225 | 5.558 | 1.11 | 0.53 | 70000 | 43000 | Deep groove ball bearing |
| D/W R6-5-2ZS | 12.7 | 22.225 | 7.142 | 1.11 | 0.53 | 70000 | 36000 | Deep groove ball bearing |
| D/W R8 | 12.7 | 28.575 | 6.35 | 4.42 | 2.36 | 60000 | 36000 | Deep groove ball bearing |
| D/W R8 R | 12.7 | 28.575 | 6.35 | 4.42 | 2.36 | 60000 | 36000 | Deep groove ball bearing |
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