| 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 61906-2RZ | 30 | 47 | 9 | 6.24 | 5 | 30000 | 15000 | Deep groove ball bearing |
| W 61906-2Z | 30 | 47 | 9 | 6.24 | 5 | 30000 | 15000 | Deep groove ball bearing |
| W 61907 | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 16000 | Deep groove ball bearing |
| W 61907 R | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 16000 | Deep groove ball bearing |
| W 61907 R-2Z | 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 61907-2RZ | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 13000 | Deep groove ball bearing |
| W 61907-2Z | 35 | 55 | 10 | 9.36 | 7.65 | 26000 | 13000 | Deep groove ball bearing |
| W 61908 | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 14000 | Deep groove ball bearing |
| W 61908 R | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 14000 | Deep groove ball bearing |
| W 61908 R-2Z | 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 61908-2RZ | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 12000 | Deep groove ball bearing |
| W 61908-2Z | 40 | 62 | 12 | 11.9 | 9.8 | 24000 | 12000 | Deep groove ball bearing |
| W 61909 | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 13000 | Deep groove ball bearing |
| W 61909 R | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 13000 | Deep groove ball bearing |
| W 61909 R-2Z | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 10000 | Deep groove ball bearing |
| W 61909-2RS1 | 45 | 68 | 12 | 12.1 | 10.8 | 6000 | Deep groove ball bearing | |
| W 61909-2RZ | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 10000 | Deep groove ball bearing |
| W 61909-2Z | 45 | 68 | 12 | 12.1 | 10.8 | 20000 | 10000 | Deep groove ball bearing |
| W 61910 | 50 | 72 | 12 | 12.5 | 11.6 | 19000 | 12000 | Deep groove ball bearing |
| W 61910 R | 50 | 72 | 12 | 12.5 | 11.6 | 19000 | 12000 | Deep groove ball bearing |
| W 61910 R-2Z | 50 | 72 | 12 | 12.5 | 11.6 | 19000 | 9500 | Deep groove ball bearing |
| W 61910-2RS1 | 50 | 72 | 12 | 12.5 | 11.6 | 5600 | Deep groove ball bearing | |
| W 61910-2RZ | 50 | 72 | 12 | 12.5 | 11.6 | 19000 | 9500 | Deep groove ball bearing |
| W 61910-2Z | 50 | 72 | 12 | 12.5 | 11.6 | 19000 | 9500 | Deep groove ball bearing |
| W 61911 | 55 | 80 | 13 | 14.3 | 14 | 17000 | 11000 | Deep groove ball bearing |
| W 61911-2RS1 | 55 | 80 | 13 | 14.3 | 14 | 5000 | Deep groove ball bearing | |
| W 61911-2Z | 55 | 80 | 13 | 14.3 | 14 | 17000 | 8500 | Deep groove ball bearing |
| W 61912 | 60 | 85 | 13 | 17.4 | 17.3 | 16000 | 10000 | Deep groove ball bearing |
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