| 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 61705-2RZ | 25 | 32 | 4 | 0.618 | 0.465 | 43000 | 20000 | Deep groove ball bearing |
| W 61706 | 30 | 37 | 4 | 0.65 | 0.53 | 36000 | 22000 | Deep groove ball bearing |
| W 61706 R | 30 | 37 | 4 | 0.65 | 0.53 | 36000 | 22000 | Deep groove ball bearing |
| W 61706-2RZ | 30 | 37 | 4 | 0.65 | 0.53 | 36000 | 18000 | Deep groove ball bearing |
| W 61707 | 35 | 44 | 5 | 1.06 | 0.915 | 30000 | 19000 | Deep groove ball bearing |
| W 61707-2RS1 | 35 | 44 | 5 | 1.06 | 0.915 | 8500 | Deep groove ball bearing | |
| W 61708 | 40 | 50 | 6 | 1.43 | 1.27 | 26000 | 16000 | Deep groove ball bearing |
| W 61708-2RS1 | 40 | 50 | 6 | 1.43 | 1.27 | 7500 | Deep groove ball bearing | |
| W 61709 | 45 | 55 | 6 | 1.46 | 1.37 | 24000 | 15000 | Deep groove ball bearing |
| W 61709-2RS1 | 45 | 55 | 6 | 1.46 | 1.37 | 6700 | Deep groove ball bearing | |
| W 61710 | 50 | 62 | 6 | 1.53 | 1.53 | 22000 | 13000 | Deep groove ball bearing |
| W 61710-2RS1 | 50 | 62 | 6 | 1.53 | 1.53 | 6000 | Deep groove ball bearing | |
| W 618/1 | 1 | 3 | 1 | 0.052 | 0.012 | 240000 | 150000 | Deep groove ball bearing |
| W 618/1 R | 1 | 3 | 1 | 0.052 | 0.012 | 240000 | 150000 | Deep groove ball bearing |
| W 618/1.5 | 1.5 | 4 | 1.2 | 0.062 | 0.016 | 220000 | 140000 | Deep groove ball bearing |
| W 618/1.5 R | 1.5 | 4 | 1.2 | 0.062 | 0.016 | 220000 | 140000 | Deep groove ball bearing |
| W 618/2 | 2 | 5 | 1.5 | 0.094 | 0.025 | 200000 | 120000 | Deep groove ball bearing |
| W 618/2 R | 2 | 5 | 1.5 | 0.094 | 0.025 | 200000 | 120000 | Deep groove ball bearing |
| W 618/2 X | 2 | 5 | 2 | 0.094 | 0.025 | 200000 | 120000 | Deep groove ball bearing |
| W 618/2 XR | 2 | 5 | 2 | 0.094 | 0.025 | 200000 | 120000 | Deep groove ball bearing |
| W 618/2.5 | 2.5 | 6 | 1.8 | 0.117 | 0.036 | 170000 | 110000 | Deep groove ball bearing |
| W 618/2.5 R | 2.5 | 6 | 1.8 | 0.117 | 0.036 | 170000 | 110000 | Deep groove ball bearing |
| W 618/3 | 3 | 7 | 2 | 0.178 | 0.057 | 160000 | 100000 | Deep groove ball bearing |
| W 618/3 R | 3 | 7 | 2 | 0.178 | 0.057 | 160000 | 100000 | Deep groove ball bearing |
| W 618/4 | 4 | 9 | 2.5 | 0.364 | 0.114 | 140000 | 85000 | Deep groove ball bearing |
| W 618/4 R | 4 | 9 | 2.5 | 0.364 | 0.114 | 140000 | 85000 | Deep groove ball bearing |
| W 618/5 | 5 | 11 | 3 | 0.403 | 0.143 | 120000 | 75000 | Deep groove ball bearing |
| W 618/5 R | 5 | 11 | 3 | 0.403 | 0.143 | 120000 | 75000 | Deep groove ball bearing |
| W 618/6 | 6 | 13 | 3.5 | 0.618 | 0.224 | 110000 | 67000 | Deep groove ball bearing |
| W 618/6 R | 6 | 13 | 3.5 | 0.618 | 0.224 | 110000 | 67000 | Deep groove ball bearing |
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