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size
| d | 55 | mm | |
| D | 90 | mm | |
| B | 18 | mm | |
| d1 | 67.73 | mm | |
| d2 | 65.6 | mm | |
| D1 | 77.25 | mm | |
| b | 1.6 | mm | |
| C1 | 5.65 | mm | |
| C2 | 3.4 | mm | |
| C3 | 3.4 | mm | |
| r1,2 | min. | 1.1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 18.8 | mm |
Size shoulder size
| da | min. | 61 | mm |
| db | min. | 61 | mm |
| Da | max. | 84 | mm |
| Db | max. | 85.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
| dn | 69.6 | mm |
data calculation
| Basic dynamic load rating | C | 16.8 | kN | |
| Basic rated static load | C0 | 12.2 | kN | |
| Fatigue load limit | Pu | 0.52 | kN | |
| 润滑脂润滑可达转速 | 25000 | r/min | ||
| 油气润滑法可达转速 | 39000 | r/min | ||
| 球直径 | Dw | 7.938 | mm | |
| 页数 | z | 24 | ||
| 参考润滑脂量 | Gref | 5 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 90 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 51 | N/µm | ||
| 预载荷等级 B | GB | 270 | N | |
| 预载荷等级 B | 80 | N/µm | ||
| 预载荷等级 C | GC | 540 | N | |
| 预载荷等级 C | 108 | N/µm | ||
| coefficient | f | 1.07 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.03 | ||
| coefficient | f2C | 1.05 | ||
| coefficient | fHC | 1.01 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 8.4 | ||
weight
| Bearing weight | 0.36 | kg |
