Detailed description
55BNR19H precision spindle bearing parameter
| Model | 55BNR19H | angular contact ball bearing |
| d | 55 mm | Bore diameter |
| D | 80 mm | Outer diameter |
| H | 13 mm | Width |
| rmin | 1 mm | 一 |
| r1 min | 0.6 mm | 一 |
| Cr | 13.3 KN | Basic rated dynamic load |
| Cor | 8.9 KN | Basic rated static load |
| a | 17.5 mm | permissible axial load |
| da min | 61 mm | 一 |
| Da max | 74 mm | 一 |
| Db max | 75 mm | 一 |
| ra max | 1 mm | 一 |
| rb max | 0.5 mm | 一 |
| 7.4 cm3/row | Internal Free Space | Internal Free Space |
| m | 182 g | Weight |
55BNR19H super precision bearing mainly applied in the high speed spindle on machine.
Ceramic rolling ball ensure the bearing 55BNR19H with the feature of high-temperature resistance.
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