| Domestic and foreign models | |||
| New domestic models | RNA49/9X3 | ||
| Domestic old models | 644079(NK12/12) | ||
| Main dimensions | |||
| Bore size（d） | 12 | mm | |
| External diameter（D） | 19 | mm | |
| Thickness（B） | 12 | mm | |
| Basic rated load | |||
| Live load（Cr） | - | KN | |
| Static load（Cor） | - | KN | |
| Ultimate speed | |||
| Grease | - | rpm | |
| Oil lubrication | - | rpm | |
| Weight | |||
| Weight | 0.012 | kg | |
| Bearing type | |||
| Type | Needle bearing | ||
Copyright @ 2023 . All rights reserved.
Shandong Ruidefu Transmission Equipment Co., Ltd.