All Brands
size
| d | 50 | mm | |
| D | 80 | mm | |
| B | 16 | mm | |
| d1 | 60.25 | mm | |
| d2 | 57.9 | mm | |
| D2 | 72.9 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 18.6 | mm |
Size shoulder size
| da | min. | 54.6 | mm |
| da | max. | 59.7 | mm |
| db | min. | 54.6 | mm |
| db | max. | 57.3 | mm |
| Da | max. | 75.4 | mm |
| Db | max. | 75.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
data calculation
| Basic dynamic load rating | C | 15.3 | kN | |
| Basic rated static load | C0 | 10.4 | kN | |
| Fatigue load limit | Pu | 0.44 | kN | |
| 润滑脂润滑可达转速 | 26000 | r/min | ||
| 球直径 | Dw | 7.938 | mm | |
| 页数 | z | 21 | ||
| 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 | 0.23 | kg |
