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size
| d | 50 | mm | |
| D | 65 | mm | |
| B | 7 | mm | |
| d1 | 55.1 | mm | |
| d2 | 55.1 | mm | |
| D1 | 60 | mm | |
| r1,2 | min. | 0.3 | mm |
| r3,4 | min. | 0.15 | mm |
| a | 11.2 | mm |
Size shoulder size
| da | min. | 52 | mm |
| db | min. | 52 | mm |
| Da | max. | 63 | mm |
| Db | max. | 64.2 | mm |
| ra | max. | 0.3 | mm |
| rb | max. | 0.15 | mm |
| dn | 55.6 | mm |
data calculation
| Basic dynamic load rating | C | 7.41 | kN | |
| Basic rated static load | C0 | 7.8 | kN | |
| Fatigue load limit | Pu | 0.335 | kN | |
| 润滑脂润滑可达转速 | 20000 | r/min | ||
| 油气润滑法可达转速 | 30000 | r/min | ||
| 球直径 | Dw | 3.969 | mm | |
| 页数 | z | 30 | ||
| 参考润滑脂量 | Gref | 0.5 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 40 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 47 | N/µm | ||
| 预载荷等级 B | GB | 120 | N | |
| 预载荷等级 B | 81 | N/µm | ||
| 预载荷等级 C | GC | 240 | N | |
| 预载荷等级 C | 119 | N/µm | ||
| coefficient | f | 1.3 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.09 | ||
| coefficient | f2C | 1.16 | ||
| coefficient | fHC | 1 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 17.2 | ||
weight
| Bearing weight | 0.051 | kg |
