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size
| d | 55 | mm | |
| D | 90 | mm | |
| B | 18 | mm | |
| d1 | 67.73 | mm | |
| d2 | 65.6 | mm | |
| D2 | 80.4 | mm | |
| r1,2 | min. | 1.1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 20.8 | mm |
Size shoulder size
| da | min. | 61 | mm |
| da | max. | 67.1 | mm |
| db | min. | 61 | mm |
| db | max. | 65 | mm |
| Da | max. | 84 | mm |
| Db | max. | 85.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
data calculation
| Basic dynamic load rating | C | 16.5 | kN | |
| Basic rated static load | C0 | 12 | kN | |
| Fatigue load limit | Pu | 0.51 | kN | |
| 润滑脂润滑可达转速 | 22000 | r/min | ||
| 球直径 | Dw | 7.938 | mm | |
| 页数 | z | 24 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | e | 0.57 | ||
| coefficient（单轴，串轴） | Y2 | 1 | ||
| coefficient（单轴，串轴） | Y0 | 0.42 | ||
| coefficient（单轴，串轴） | X2 | 0.43 | ||
| 系数计算（背对背配置，面对面配置） | Y1 | 1.09 | ||
| 系数计算（背对背配置，面对面配置） | Y2 | 1.63 | ||
| 系数计算（背对背配置，面对面配置） | Y0 | 0.84 | ||
| 系数计算（背对背配置，面对面配置） | X2 | 0.7 | ||
weight
| Bearing weight | 0.37 | kg |
