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size
| d | 30 | mm | |
| D | 55 | mm | |
| B | 13 | mm | |
| d1 | 39.45 | mm | |
| d2 | 38.3 | mm | |
| D2 | 47.25 | mm | |
| r1,2 | min. | 1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 12.2 | mm |
Size shoulder size
| da | min. | 34.6 | mm |
| db | min. | 34.6 | mm |
| Da | max. | 50.4 | mm |
| Db | max. | 51.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
| dn | 40 | mm |
data calculation
| Basic dynamic load rating | C | 8.84 | kN | |
| Basic rated static load | C0 | 7.1 | kN | |
| Fatigue load limit | Pu | 0.176 | kN | |
| 润滑脂润滑可达转速 | 43000 | r/min | ||
| 油气润滑法可达转速 | 67000 | r/min | ||
| 球直径 | Dw | 4.762 | mm | |
| 页数 | z | 20 | ||
| 参考润滑脂量 | Gref | 1.4 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 21 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 25 | N/µm | ||
| 预载荷等级 B | GB | 42 | N | |
| 预载荷等级 B | 32 | N/µm | ||
| 预载荷等级 C | GC | 125 | N | |
| 预载荷等级 C | 51 | N/µm | ||
| coefficient | f | 1.03 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.02 | ||
| coefficient | f2C | 1.05 | ||
| coefficient | fHC | 1.01 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 9.4 | ||
weight
| Bearing weight | 0.13 | kg |
