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| 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 61909 R | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 13000 | Deep groove ball bearing |
| W 61909 | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 13000 | Deep groove ball bearing |
| W 61908-2Z | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 12000 | Deep groove ball bearing |
| W 61908-2RZ | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 12000 | Deep groove ball bearing |
| W 61908-2RS1 | 40 | 62 | 12 | 11.9 | 9.8 | 6700 | Deep groove ball bearing | |
| W 61908 R-2Z | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 12000 | Deep groove ball bearing |
| W 61908 R | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 14000 | Deep groove ball bearing |
| W 61908 | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 14000 | Deep groove ball bearing |
| W 61907-2Z | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 13000 | Deep groove ball bearing |
| W 61907-2RZ | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 13000 | Deep groove ball bearing |
| W 61907-2RS1 | 35 | 55 | 10 | 9.36 | 7.65 | 7500 | Deep groove ball bearing | |
| W 61907 R-2Z | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 13000 | Deep groove ball bearing |
| W 61907 R | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 16000 | Deep groove ball bearing |
| W 61907 | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 16000 | Deep groove ball bearing |
| W 61906-2Z | 30 | 47 | 9 | 6.24 | 5 | 30000 | 15000 | Deep groove ball bearing |
| W 61906-2RZ | 30 | 47 | 9 | 6.24 | 5 | 30000 | 15000 | Deep groove ball bearing |
| W 61906-2RS1 | 30 | 47 | 9 | 6.24 | 5 | 8500 | Deep groove ball bearing | |
| W 61906 R-2Z | 30 | 47 | 9 | 6.24 | 5 | 30000 | 15000 | Deep groove ball bearing |
| W 61906 R | 30 | 47 | 9 | 6.24 | 5 | 30000 | 19000 | Deep groove ball bearing |
| W 61906 | 30 | 47 | 9 | 6.24 | 5 | 30000 | 19000 | Deep groove ball bearing |
| W 61905-2Z | 25 | 42 | 9 | 6.05 | 4.5 | 34000 | 17000 | Deep groove ball bearing |
| W 61905-2RZ | 25 | 42 | 9 | 6.05 | 4.5 | 34000 | 17000 | Deep groove ball bearing |
| W 61905-2RS1 | 25 | 42 | 9 | 6.05 | 4.5 | 10000 | Deep groove ball bearing | |
| W 61905 R-2Z | 25 | 42 | 9 | 6.05 | 4.5 | 34000 | 17000 | Deep groove ball bearing |
| W 61905 R | 25 | 42 | 9 | 6.05 | 4.5 | 34000 | 22000 | Deep groove ball bearing |
| W 61905 | 25 | 42 | 9 | 6.05 | 4.5 | 34000 | 22000 | Deep groove ball bearing |
| W 61904-2Z | 20 | 37 | 9 | 5.53 | 3.65 | 43000 | 20000 | Deep groove ball bearing |
| W 61904-2RZ | 20 | 37 | 9 | 5.53 | 3.65 | 43000 | 20000 | Deep groove ball bearing |
| W 61904-2RS1 | 20 | 37 | 9 | 5.53 | 3.65 | 12000 | Deep groove ball bearing | |
| W 61904 R-2Z | 20 | 37 | 9 | 5.53 | 3.65 | 43000 | 20000 | Deep groove ball bearing |
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