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size
| d | 50 | mm | |
| D | 72 | mm | |
| B | 12 | mm | |
| d1 | 57.95 | mm | |
| d2 | 56.9 | mm | |
| D2 | 66.04 | mm | |
| r1,2 | min. | 0.6 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 16.7 | mm |
Size shoulder size
| da | min. | 53.2 | mm |
| da | max. | 57.4 | mm |
| db | min. | 53.2 | mm |
| db | max. | 56.3 | mm |
| Da | max. | 68.8 | mm |
| Db | max. | 70 | mm |
| ra | max. | 0.6 | mm |
| rb | max. | 0.3 | mm |
data calculation
| Basic dynamic load rating | C | 10.4 | kN | |
| Basic rated static load | C0 | 10.2 | kN | |
| Fatigue load limit | Pu | 0.265 | kN | |
| 润滑脂润滑可达转速 | 26000 | r/min | ||
| 球直径 | Dw | 4.762 | mm | |
| 页数 | z | 29 | ||
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 26 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 31 | N/µm | ||
| 预载荷等级 B | GB | 52 | N | |
| 预载荷等级 B | 40 | N/µm | ||
| 预载荷等级 C | GC | 155 | N | |
| 预载荷等级 C | 65 | N/µm | ||
| coefficient | f | 1.09 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.02 | ||
| coefficient | f2C | 1.07 | ||
| coefficient | fHC | 1 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 9.8 | ||
weight
| Bearing weight | 0.14 | kg |
