| 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 619/8 | 8 | 19 | 6 | 1.25 | 0.455 | 85000 | 53000 | Deep groove ball bearing |
| W 619/8 R | 8 | 19 | 6 | 1.25 | 0.455 | 85000 | 53000 | Deep groove ball bearing |
| W 619/8 R-2RS1 | 8 | 19 | 6 | 1.25 | 0.455 | 24000 | Deep groove ball bearing | |
| W 619/8 R-2Z | 8 | 19 | 6 | 1.25 | 0.455 | 85000 | 43000 | Deep groove ball bearing |
| W 619/8-2RS1 | 8 | 19 | 6 | 1.25 | 0.455 | 24000 | Deep groove ball bearing | |
| W 619/8-2RZ | 8 | 19 | 6 | 1.25 | 0.455 | 85000 | 43000 | Deep groove ball bearing |
| W 619/8-2Z | 8 | 19 | 6 | 1.25 | 0.455 | 85000 | 43000 | Deep groove ball bearing |
| W 619/9 | 9 | 20 | 6 | 2.12 | 1.06 | 80000 | 50000 | Deep groove ball bearing |
| W 619/9 R | 9 | 20 | 6 | 2.12 | 1.06 | 80000 | 50000 | Deep groove ball bearing |
| W 619/9 R-2RS1 | 9 | 20 | 6 | 2.12 | 1.06 | 22000 | Deep groove ball bearing | |
| W 619/9 R-2Z | 9 | 20 | 6 | 2.12 | 1.06 | 80000 | 40000 | Deep groove ball bearing |
| W 619/9-2RS1 | 9 | 20 | 6 | 2.12 | 1.06 | 22000 | Deep groove ball bearing | |
| W 619/9-2RZ | 9 | 20 | 6 | 2.12 | 1.06 | 80000 | 40000 | Deep groove ball bearing |
| W 619/9-2Z | 9 | 20 | 6 | 2.12 | 1.06 | 80000 | 40000 | Deep groove ball bearing |
| W 61900 | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 45000 | Deep groove ball bearing |
| W 61900 R | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 45000 | Deep groove ball bearing |
| W 61900 R-2RS1 | 10 | 22 | 6 | 2.34 | 1.25 | 20000 | Deep groove ball bearing | |
| W 61900 R-2RZ | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 36000 | Deep groove ball bearing |
| W 61900 R-2Z | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 36000 | Deep groove ball bearing |
| W 61900-2RS1 | 10 | 22 | 6 | 2.34 | 1.25 | 20000 | Deep groove ball bearing | |
| W 61900-2RZ | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 36000 | Deep groove ball bearing |
| W 61900-2Z | 10 | 22 | 6 | 2.34 | 1.25 | 70000 | 36000 | Deep groove ball bearing |
| W 61901 | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 40000 | Deep groove ball bearing |
| W 61901 R | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 40000 | Deep groove ball bearing |
| W 61901 R-2RS1 | 12 | 24 | 6 | 2.51 | 1.46 | 19000 | Deep groove ball bearing | |
| W 61901 R-2RZ | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 32000 | Deep groove ball bearing |
| W 61901 R-2Z | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 32000 | Deep groove ball bearing |
| W 61901-2RS1 | 12 | 24 | 6 | 2.51 | 1.46 | 19000 | Deep groove ball bearing | |
| W 61901-2RZ | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 32000 | Deep groove ball bearing |
| W 61901-2Z | 12 | 24 | 6 | 2.51 | 1.46 | 67000 | 32000 | Deep groove ball bearing |
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