| 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 61803-2RS1 | 17 | 26 | 5 | 1.78 | 1.27 | 16000 | Deep groove ball bearing | |
| W 61803-2RZ | 17 | 26 | 5 | 1.78 | 1.27 | 56000 | 28000 | Deep groove ball bearing |
| W 61803-2Z | 17 | 26 | 5 | 1.78 | 1.27 | 56000 | 28000 | Deep groove ball bearing |
| W 61804 | 20 | 32 | 7 | 3.12 | 2.08 | 48000 | 30000 | Deep groove ball bearing |
| W 61804 R | 20 | 32 | 7 | 3.97 | 2.6 | 45000 | 28000 | Deep groove ball bearing |
| W 61804 R-2Z | 20 | 32 | 7 | 3.97 | 2.6 | 45000 | 22000 | Deep groove ball bearing |
| W 61804-2RS1 | 20 | 32 | 7 | 3.12 | 2.08 | 13000 | Deep groove ball bearing | |
| W 61804-2RZ | 20 | 32 | 7 | 3.12 | 2.08 | 48000 | 24000 | Deep groove ball bearing |
| W 61804-2Z | 20 | 32 | 7 | 3.12 | 2.08 | 48000 | 24000 | Deep groove ball bearing |
| W 61805 | 25 | 37 | 7 | 3.38 | 2.5 | 38000 | 24000 | Deep groove ball bearing |
| W 61805 R | 25 | 37 | 7 | 3.38 | 2.5 | 38000 | 24000 | Deep groove ball bearing |
| W 61805 R-2Z | 25 | 37 | 7 | 3.38 | 2.5 | 38000 | 19000 | Deep groove ball bearing |
| W 61805-2RS1 | 25 | 37 | 7 | 3.38 | 2.5 | 11000 | Deep groove ball bearing | |
| W 61805-2RZ | 25 | 37 | 7 | 3.38 | 2.5 | 38000 | 19000 | Deep groove ball bearing |
| W 61805-2Z | 25 | 37 | 7 | 3.38 | 2.5 | 38000 | 19000 | Deep groove ball bearing |
| W 61806 | 30 | 42 | 7 | 3.58 | 2.9 | 34000 | 20000 | Deep groove ball bearing |
| W 61806 R | 30 | 42 | 7 | 3.58 | 2.9 | 34000 | 20000 | Deep groove ball bearing |
| W 61806 R-2Z | 30 | 42 | 7 | 3.58 | 2.9 | 34000 | 17000 | Deep groove ball bearing |
| W 61806-2RS1 | 30 | 42 | 7 | 3.58 | 2.9 | 9500 | Deep groove ball bearing | |
| W 61806-2RZ | 30 | 42 | 7 | 3.58 | 2.9 | 34000 | 17000 | Deep groove ball bearing |
| W 61806-2Z | 30 | 42 | 7 | 3.58 | 2.9 | 34000 | 17000 | Deep groove ball bearing |
| W 61807 | 35 | 47 | 7 | 3.71 | 3.35 | 30000 | 18000 | Deep groove ball bearing |
| W 61807 R | 35 | 47 | 7 | 3.71 | 3.35 | 30000 | 18000 | Deep groove ball bearing |
| W 61807 R-2Z | 35 | 47 | 7 | 3.71 | 3.35 | 30000 | 15000 | Deep groove ball bearing |
| W 61807-2RS1 | 35 | 47 | 7 | 3.71 | 3.35 | 8500 | Deep groove ball bearing | |
| W 61807-2RZ | 35 | 47 | 7 | 3.71 | 3.35 | 30000 | 15000 | Deep groove ball bearing |
| W 61807-2Z | 35 | 47 | 7 | 3.71 | 3.35 | 30000 | 15000 | Deep groove ball bearing |
| W 61808 | 40 | 52 | 7 | 3.9 | 3.75 | 26000 | 16000 | Deep groove ball bearing |
| W 61808 R | 40 | 52 | 7 | 3.9 | 3.75 | 26000 | 16000 | Deep groove ball bearing |
| W 61808 R-2Z | 40 | 52 | 7 | 3.9 | 3.75 | 26000 | 13000 | Deep groove ball bearing |
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