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size
| d | 25 | mm | |
| D | 52 | mm | |
| B | 15 | mm | |
| d1 | 34.1 | mm | |
| d2 | 34.1 | mm | |
| D1 | 43.7 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 12.8 | mm |
Size shoulder size
| da | min. | 30.6 | mm |
| db | min. | 30.6 | mm |
| Da | max. | 46.4 | mm |
| Db | max. | 49.6 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.3 | mm |
| dn | 36.1 | mm |
data calculation
| Basic dynamic load rating | C | 13.5 | kN | |
| Basic rated static load | C0 | 7.2 | kN | |
| Fatigue load limit | Pu | 0.305 | kN | |
| 润滑脂润滑可达转速 | 38000 | r/min | ||
| 油气润滑法可达转速 | 53000 | r/min | ||
| 球直径 | Dw | 7.938 | mm | |
| 页数 | z | 13 | ||
| 参考润滑脂量 | Gref | 1.872 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 50 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 32 | N/µm | ||
| 预载荷等级 B | GB | 100 | N | |
| 预载荷等级 B | 42 | N/µm | ||
| 预载荷等级 C | GC | 200 | N | |
| 预载荷等级 C | 58 | N/µm | ||
| 预载荷等级 D | GD | 400 | N | |
| 预载荷等级 D | 80 | N/µm | ||
| coefficient | f | 1.03 | ||
| 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 | 9.1 | ||
weight
| Bearing weight | 0.11 | kg |
