| Domestic and foreign models | |||
| New domestic models | 7001AC/DT | ||
| Domestic old models | 446101 | ||
| Dimensions | |||
| Inside diameter（d） | 12 | mm | |
| Outside diameter（D） | 28 | mm | |
| Thickness（B） | 16 | mm | |
| Basic Load Rating | |||
| Dynamic load（Cr） | 8.8 | KN | |
| Static load（Cor） | 5.45 | KN | |
| Limiting Speeds | |||
| Grease | 23000 | rpm | |
| Oil | 29000 | rpm | |
| Weight | |||
| Weight | 0.048 | kg | |
| BEARING TYPE | |||
| Type | Needle bearing | ||
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