14,072 matching modelsReset filters
| Bearing designation | Boundary dimensions (mm) | Load rating (kN) | Speed rating (rpm) | Bearing type | ||||
|---|---|---|---|---|---|---|---|---|
| Bore d | Outside D | Width B | Dynamic Cr | Static Cor | Reference speed | Limiting speed | ||
| W 638/3 R-2Z | 3 | 7 | 3 | 0.178 | 0.057 | 160000 | 80000 | Deep Groove Ball Bearings |
| W 638/3-2RS1 | 3 | 7 | 3 | 0.178 | 0.057 | — | 45000 | Deep Groove Ball Bearings |
| W 638/3-2Z | 3 | 7 | 3 | 0.178 | 0.057 | 160000 | 80000 | Deep Groove Ball Bearings |
| W 638/4 R-2RS1 | 4 | 9 | 4 | 0.364 | 0.114 | — | 40000 | Deep Groove Ball Bearings |
| W 638/4 R-2Z | 4 | 9 | 4 | 0.364 | 0.114 | 140000 | 70000 | Deep Groove Ball Bearings |
| W 638/4 X-2RS1 | 4 | 10 | 4 | 0.553 | 0.245 | — | 36000 | Deep Groove Ball Bearings |
| W 638/4 X-2RZ | 4 | 10 | 4 | 0.553 | 0.245 | 130000 | 63000 | Deep Groove Ball Bearings |
| W 638/4 X-2Z | 4 | 10 | 4 | 0.553 | 0.245 | 130000 | 63000 | Deep Groove Ball Bearings |
| W 638/4 XR-2RS1 | 4 | 10 | 4 | 0.553 | 0.245 | — | 36000 | Deep Groove Ball Bearings |
| W 638/4 XR-2Z | 4 | 10 | 4 | 0.553 | 0.245 | 130000 | 63000 | Deep Groove Ball Bearings |
| W 638/4-2RS1 | 4 | 9 | 4 | 0.364 | 0.114 | — | 40000 | Deep Groove Ball Bearings |
| W 638/4-2RZ | 4 | 9 | 4 | 0.364 | 0.114 | 140000 | 70000 | Deep Groove Ball Bearings |
| W 638/4-2Z | 4 | 9 | 4 | 0.364 | 0.114 | 140000 | 70000 | Deep Groove Ball Bearings |
| W 638/5 R-2RS1 | 5 | 11 | 5 | 0.403 | 0.143 | — | 34000 | Deep Groove Ball Bearings |
| W 638/5 R-2Z | 5 | 11 | 5 | 0.403 | 0.143 | 120000 | 60000 | Deep Groove Ball Bearings |
| W 638/5-2RS1 | 5 | 11 | 5 | 0.403 | 0.143 | — | 34000 | Deep Groove Ball Bearings |
| W 638/5-2RZ | 5 | 11 | 5 | 0.403 | 0.143 | 120000 | 60000 | Deep Groove Ball Bearings |
| W 638/5-2Z | 5 | 11 | 5 | 0.403 | 0.143 | 120000 | 60000 | Deep Groove Ball Bearings |
| W 638/8 R-2Z | 8 | 16 | 6 | 0.715 | 0.3 | 90000 | 45000 | Deep Groove Ball Bearings |
| W 638/8-2Z | 8 | 16 | 6 | 0.715 | 0.3 | 90000 | 45000 | Deep Groove Ball Bearings |
Dimensions are catalog references. Confirm the exact specification and availability when requesting a quote.


