| Bearing model | Boundary Dimensions（mm） | Speed Rating(ipm) | Load Rating （kn） | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| d | D | B | Grease lubrication | Oil lubrication | Dynamic Cr | Static Cor | ||
| W 61808-2RS1 | 40 | 52 | 7 | 3.9 | 3.75 | 7500 | Deep groove ball bearing | |
| W 61808-2RZ | 40 | 52 | 7 | 3.9 | 3.75 | 26000 | 13000 | Deep groove ball bearing |
| W 61808-2Z | 40 | 52 | 7 | 3.9 | 3.75 | 26000 | 13000 | Deep groove ball bearing |
| W 61809 | 45 | 58 | 7 | 4.94 | 5 | 24000 | 14000 | Deep groove ball bearing |
| W 61809 R | 45 | 58 | 7 | 4.94 | 5 | 24000 | 14000 | Deep groove ball bearing |
| W 61809 R-2Z | 45 | 58 | 7 | 4.94 | 5 | 24000 | 12000 | Deep groove ball bearing |
| W 61809-2RS1 | 45 | 58 | 7 | 4.94 | 5 | 6700 | Deep groove ball bearing | |
| W 61809-2RZ | 45 | 58 | 7 | 4.94 | 5 | 24000 | 12000 | Deep groove ball bearing |
| W 61809-2Z | 45 | 58 | 7 | 4.94 | 5 | 24000 | 12000 | Deep groove ball bearing |
| W 61810 | 50 | 65 | 7 | 5.07 | 5.5 | 20000 | 13000 | Deep groove ball bearing |
| W 61810 R | 50 | 65 | 7 | 5.07 | 5.5 | 20000 | 13000 | Deep groove ball bearing |
| W 61810 R-2Z | 50 | 65 | 7 | 5.07 | 5.5 | 20000 | 10000 | Deep groove ball bearing |
| W 61810-2RS1 | 50 | 65 | 7 | 5.07 | 5.5 | 6000 | Deep groove ball bearing | |
| W 61810-2RZ | 50 | 65 | 7 | 5.07 | 5.5 | 20000 | 10000 | Deep groove ball bearing |
| W 61810-2Z | 50 | 65 | 7 | 5.07 | 5.5 | 20000 | 10000 | Deep groove ball bearing |
| W 61811 | 55 | 72 | 9 | 7.15 | 8.5 | 19000 | 12000 | Deep groove ball bearing |
| W 61811-2RS1 | 55 | 72 | 9 | 7.15 | 8.5 | 5300 | Deep groove ball bearing | |
| W 61811-2RZ | 55 | 72 | 9 | 7.15 | 8.5 | 19000 | 9500 | Deep groove ball bearing |
| W 61811-2Z | 55 | 72 | 9 | 7.15 | 8.5 | 19000 | 9500 | Deep groove ball bearing |
| W 61812 | 60 | 78 | 10 | 9.95 | 10.8 | 17000 | 11000 | Deep groove ball bearing |
| W 61812-2RS1 | 60 | 78 | 10 | 9.95 | 10.8 | 4800 | Deep groove ball bearing | |
| W 61812-2Z | 60 | 78 | 10 | 9.95 | 10.8 | 17000 | 8500 | Deep groove ball bearing |
| W 61813 | 65 | 85 | 10 | 10.4 | 12 | 16000 | 10000 | Deep groove ball bearing |
| W 61813-2RS1 | 65 | 85 | 10 | 10.4 | 12 | 4500 | Deep groove ball bearing | |
| W 61813-2Z | 65 | 85 | 10 | 10.4 | 12 | 16000 | 8000 | Deep groove ball bearing |
| W 61814 | 70 | 90 | 10 | 10.4 | 12.5 | 15000 | 9000 | Deep groove ball bearing |
| W 61814-2RS1 | 70 | 90 | 10 | 10.4 | 12.5 | 4300 | Deep groove ball bearing | |
| W 61814-2Z | 70 | 90 | 10 | 10.4 | 12.5 | 15000 | 7500 | Deep groove ball bearing |
| W 61815 | 75 | 95 | 10 | 10.8 | 13.7 | 14000 | 8500 | Deep groove ball bearing |
| W 61815-2RS1 | 75 | 95 | 10 | 10.8 | 13.7 | 4000 | Deep groove ball bearing | |
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