| 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 618/7 | 7 | 14 | 3.5 | 0.663 | 0.26 | 100000 | 63000 | Deep groove ball bearing |
| W 618/7 R | 7 | 14 | 3.5 | 0.663 | 0.26 | 100000 | 63000 | Deep groove ball bearing |
| W 618/8 | 8 | 16 | 4 | 0.715 | 0.3 | 90000 | 56000 | Deep groove ball bearing |
| W 618/8 R | 8 | 16 | 4 | 0.715 | 0.3 | 90000 | 56000 | Deep groove ball bearing |
| W 618/8-2Z | 8 | 16 | 4 | 0.715 | 0.3 | 90000 | 45000 | Deep groove ball bearing |
| W 618/9 | 9 | 17 | 4 | 0.761 | 0.335 | 85000 | 53000 | Deep groove ball bearing |
| W 618/9 R | 9 | 17 | 4 | 0.761 | 0.335 | 85000 | 53000 | Deep groove ball bearing |
| W 61800 | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 48000 | Deep groove ball bearing |
| W 61800 R | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 48000 | Deep groove ball bearing |
| W 61800 R-2RS1 | 10 | 19 | 5 | 1.48 | 0.83 | 22000 | Deep groove ball bearing | |
| W 61800 R-2RZ | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 38000 | Deep groove ball bearing |
| W 61800 R-2Z | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 38000 | Deep groove ball bearing |
| W 61800-2RS1 | 10 | 19 | 5 | 1.48 | 0.83 | 22000 | Deep groove ball bearing | |
| W 61800-2RZ | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 38000 | Deep groove ball bearing |
| W 61800-2Z | 10 | 19 | 5 | 1.48 | 0.83 | 80000 | 38000 | Deep groove ball bearing |
| W 61801 | 12 | 21 | 5 | 1.51 | 0.9 | 70000 | 43000 | Deep groove ball bearing |
| W 61801 R | 12 | 21 | 5 | 1.51 | 0.9 | 70000 | 43000 | Deep groove ball bearing |
| W 61801 R-2ZS | 12 | 21 | 5 | 1.51 | 0.9 | 70000 | 36000 | Deep groove ball bearing |
| W 61801-2RS1 | 12 | 21 | 5 | 1.51 | 0.9 | 20000 | Deep groove ball bearing | |
| W 61801-2RZ | 12 | 21 | 5 | 1.51 | 0.9 | 70000 | 36000 | Deep groove ball bearing |
| W 61801-2Z | 12 | 21 | 5 | 1.51 | 0.9 | 70000 | 36000 | Deep groove ball bearing |
| W 61802 | 15 | 24 | 5 | 1.65 | 1.08 | 60000 | 38000 | Deep groove ball bearing |
| W 61802 R | 15 | 24 | 5 | 1.65 | 1.08 | 60000 | 38000 | Deep groove ball bearing |
| W 61802 R-2Z | 15 | 24 | 5 | 1.65 | 1.08 | 60000 | 30000 | Deep groove ball bearing |
| W 61802-2RS1 | 15 | 24 | 5 | 1.65 | 1.08 | 17000 | Deep groove ball bearing | |
| W 61802-2RZ | 15 | 24 | 5 | 1.65 | 1.08 | 60000 | 30000 | Deep groove ball bearing |
| W 61802-2Z | 15 | 24 | 5 | 1.65 | 1.08 | 60000 | 30000 | Deep groove ball bearing |
| W 61803 | 17 | 26 | 5 | 1.78 | 1.27 | 56000 | 34000 | Deep groove ball bearing |
| W 61803 R | 17 | 26 | 5 | 1.78 | 1.27 | 56000 | 34000 | Deep groove ball bearing |
| W 61803 R-2Z | 17 | 26 | 5 | 1.78 | 1.27 | 56000 | 28000 | Deep groove ball bearing |
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