| Domestic and foreign models | |||
| New domestic models | NA4902 | ||
| Domestic old models | 4544902 | ||
| Main dimensions | |||
| Bore size（d） | 15 | mm | |
| External diameter（D） | 28 | mm | |
| Thickness（B） | 13 | mm | |
| Basic rated load | |||
| Live load（Cr） | 9.05 | KN | |
| Static load（Cor） | 12.6 | KN | |
| Ultimate speed | |||
| Grease | 23000 | rpm | |
| Oil lubrication | - | rpm | |
| Weight | |||
| Weight | 0.036 | kg | |
| Bearing type | |||
| Type | Needle bearing | ||
Copyright @ 2023 . All rights reserved.
Shandong Ruidefu Transmission Equipment Co., Ltd.