| Bearing model | Boundary Dimensions（mm） | ||
|---|---|---|---|
| d | D | B | |
| IR 70x80x30 | 70 | 30 | |
| IR 70x80x35 | 70 | 35 | |
| IR 65x72x25 | 65 | 25 | |
| IR 65x72x45 | 65 | 45 | |
| IR 65x75x28 | 65 | 28 | |
| IR 65x73x35 | 65 | 35 | |
| IR 65x73x25 | 65 | 25 | |
| IR 60x70x25 | 60 | 25 | |
| IR 60x70x28 | 60 | 28 | |
| IR 60x68x35 | 60 | 35 | |
| IR 60x68x25 | 60 | 25 | |
| IR 60x68x45 | 60 | 45 | |
| IR 55x60x35 | 55 | 35 | |
| IR 55x60x25 | 55 | 25 | |
| IR 55x65x28 | 55 | 28 | |
| IR 55x63x25 | 55 | 25 | |
| IR 55x63x45 | 55 | 45 | |
| IR 50X55X20 IS1 | 50 | 20 | |
| IR 50X60X20 IS1 | 50 | 20 | |
| IR 50x55x35 | 50 | 35 | |
| IR 50x60x28 | 50 | 28 | |
| IR 50x60x25 | 50 | 25 | |
| IR 50x55x25 | 50 | 25 | |
| IR 50x58x22 | 50 | 22 | |
| LR 50x55x20.5 | 50 | 20.5 | |
| IR 50x58x40 | 50 | 40 | |
| IR 45x55x22 | 45 | 22 | |
| IR 45x50x25.5 | 45 | 25.5 | |
| LR 45x50x25.5 | 45 | 25.5 | |
| IR 45x52x40 | 45 | 40 | |
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