| Domestic and foreign models | |||
| New domestic models | 7303AC | ||
| Domestic old models | 46303 | ||
| Dimensions | |||
| Inside diameter（d） | 17 | mm | |
| Outside diameter（D） | 47 | mm | |
| Thickness（B） | 14 | mm | |
| Basic Load Rating | |||
| Dynamic load（Cr） | 14.9 | KN | |
| Static load（Cor） | 7.9 | KN | |
| Limiting Speeds | |||
| Grease | 18000 | rpm | |
| Oil | 23000 | rpm | |
| Weight | |||
| Weight | 0.12 | kg | |
| BEARING TYPE | |||
| Type | Needle bearing | ||
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