| Bearing | Main dimensions | specified load | Allowable speed | Bearing | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| model | Dynamic load | Static load | Fatigue load | Reference speed | Limit speed | Types of | ||||
| d | D | B | Cor | Co | Cor | |||||
| mm | kN | (rpm) | ||||||||
| W638/2-2Z | 2 | 5 | 2.3 | 0.094 | 0.025 | 0.001 | 200000 | 100000 | Deep groove ball bearing | |
| W638/2.5R-2Z | 2.5 | 6 | 2.6 | 0.117 | 0.036 | 0.002 | 170000 | 85000 | Deep groove ball bearing | |
| W638/2.5-2Z | 2.5 | 6 | 2.6 | 0.117 | 0.036 | 0.002 | 170000 | 85000 | Deep groove ball bearing | |
| W638/2XR-2Z | 2 | 5 | 2.5 | 0.094 | 0.025 | 0.001 | 200000 | 100000 | Deep groove ball bearing | |
| W638/2R-2Z | 2 | 5 | 2.3 | 0.094 | 0.025 | 0.001 | 200000 | 100000 | Deep groove ball bearing | |
| W638/2X-2Z | 2 | 5 | 2.5 | 0.094 | 0.025 | 0.001 | 200000 | 100000 | Deep groove ball bearing | |
| W638/1.5R-2Z | 1.5 | 4 | 2 | 0.062 | 0.016 | 0.001 | 220000 | 110000 | Deep groove ball bearing | |
| W638/1.5-2Z | 1.5 | 4 | 2 | 0.062 | 0.016 | 0.001 | 220000 | 110000 | Deep groove ball bearing | |
| W638/1 | 1 | 3 | 1.5 | 0.052 | 0.012 | 0.001 | 240000 | 150000 | Deep groove ball bearing | |
| W637-2Z | 7 | 26 | 9 | 3.97 | 1.96 | 0.083 | 67000 | 32000 | Deep groove ball bearing | |
| W638 | 8 | 28 | 9 | 3.97 | 1.96 | 0.083 | 67000 | 40000 | Deep groove ball bearing | |
| W637/9-2ZS | 9 | 14 | 4.5 | 0.52 | 0.236 | 0.01 | 95000 | 45000 | Deep groove ball bearing | |
| W637-2RS1 | 7 | 26 | 9 | 3.97 | 1.96 | 0.083 | 19000 | Deep groove ball bearing | ||
| W637-2RZ | 7 | 26 | 9 | 3.97 | 1.96 | 0.083 | 67000 | 32000 | Deep groove ball bearing | |
| W637/9R-2Z | 9 | 14 | 4.5 | 0.52 | 0.236 | 0.01 | 95000 | 45000 | Deep groove ball bearing | |
| W637/8XR | 8 | 14 | 3.5 | 0.462 | 0.193 | 0.008 | 95000 | 60000 | Deep groove ball bearing | |
| W637/8-2Z | 8 | 12 | 3.5 | 0.312 | 0.14 | 0.006 | 100000 | 53000 | Deep groove ball bearing | |
| W637/8-2ZS | 8 | 12 | 3.5 | 0.312 | 0.14 | 0.006 | 100000 | 50000 | Deep groove ball bearing | |
| W637/8X | 8 | 14 | 3.5 | 0.462 | 0.193 | 0.008 | 95000 | 60000 | Deep groove ball bearing | |
| W637/8R-2ZS | 8 | 12 | 3.5 | 0.312 | 0.14 | 0.006 | 100000 | 50000 | Deep groove ball bearing | |
| W637/5XR-2ZS | 5 | 9 | 3 | 0.247 | 0.085 | 0.004 | 130000 | 67000 | Deep groove ball bearing | |
| W637/8R-2Z | 8 | 12 | 3.5 | 0.312 | 0.14 | 0.006 | 100000 | 53000 | Deep groove ball bearing | |
| W637/5XR-2Z | 5 | 9 | 3 | 0.247 | 0.085 | 0.004 | 130000 | 67000 | Deep groove ball bearing | |
| W637/5X-2ZS | 5 | 9 | 3 | 0.247 | 0.085 | 0.004 | 130000 | 67000 | Deep groove ball bearing | |
