| Domestic and foreign models | |||
| New domestic models | W 638/1 | ||
| Domestic old models | W 638/1 | ||
| Main dimensions | |||
| Bore size（d） | 1 | mm | |
| External diameter（D） | 3 | mm | |
| Thickness（B） | 1.5 | mm | |
| Basic rated load | |||
| Live load（Cr） | 0.052 | KN | |
| Static load（Cor） | 0.012 | KN | |
| Ultimate speed | |||
| Grease | 150000 | rpm | |
| Oil lubrication | 240000 | rpm | |
| Weight | |||
| Weight | 0.00004 | kg | |
| Bearing type | |||
| Type | Deep Groove Ball Bearing | ||
Copyright @ 2023 . All rights reserved.
Shandong Ruidefu Transmission Equipment Co., Ltd.