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size
| d | 50 | mm | |
| D | 90 | mm | |
| B | 20 | mm | |
| d1 | 62.3 | mm | |
| d2 | 62.3 | mm | |
| D2 | 80.7 | mm | |
| r1,2 | min. | 1.1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 19.4 | mm |
Size shoulder size
| da | min. | 57 | mm |
| da | max. | 61.5 | mm |
| db | min. | 57 | mm |
| db | max. | 61.5 | mm |
| Da | max. | 83 | mm |
| Db | max. | 85.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
data calculation
| Basic dynamic load rating | C | 44.9 | kN | |
| Basic rated static load | C0 | 34 | kN | |
| Fatigue load limit | Pu | 1.43 | kN | |
| 润滑脂润滑可达转速 | 19000 | r/min | ||
| 球直径 | Dw | 12.7 | mm | |
| 页数 | z | 15 | ||
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 170 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 72 | N/µm | ||
| 预载荷等级 B | GB | 340 | N | |
| 预载荷等级 B | 98 | N/µm | ||
| 预载荷等级 C | GC | 680 | N | |
| 预载荷等级 C | 137 | N/µm | ||
| 预载荷等级 D | GD | 1360 | N | |
| 预载荷等级 D | 198 | N/µm | ||
| coefficient | f | 1.08 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.01 | ||
| coefficient | f2C | 1.03 | ||
| coefficient | f2D | 1.06 | ||
| coefficient | fHC | 1.01 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 14.5 | ||
weight
| Bearing weight | 0.39 | kg |
