All Brands
size
| d | 55 | mm | |
| D | 90 | mm | |
| B | 18 | mm | |
| d1 | 68.18 | mm | |
| d2 | 66.65 | mm | |
| D2 | 79.39 | mm | |
| b | 2.2 | mm | |
| C1 | 9 | mm | |
| C2 | 4.3 | mm | |
| C3 | 2.8 | mm | |
| r1,2 | min. | 1.1 | mm |
| r3,4 | min. | 0.6 | mm |
| a | 26 | mm |
Size shoulder size
| da | min. | 61 | mm |
| db | min. | 61 | mm |
| Da | max. | 84 | mm |
| Db | max. | 86.8 | mm |
| ra | max. | 1 | mm |
| rb | max. | 0.6 | mm |
| dn | 69.2 | mm |
data calculation
| Basic dynamic load rating | C | 17.8 | kN | |
| Basic rated static load | C0 | 17.6 | kN | |
| Fatigue load limit | Pu | 0.44 | kN | |
| 润滑脂润滑可达转速 | 24000 | r/min | ||
| 油气润滑法可达转速 | 36000 | r/min | ||
| 球直径 | Dw | 6.747 | mm | |
| 页数 | z | 26 | ||
| 参考润滑脂量 | Gref | 4.69 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 78 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 112 | N/µm | ||
| 预载荷等级 B | GB | 155 | N | |
| 预载荷等级 B | 142 | N/µm | ||
| 预载荷等级 C | GC | 470 | N | |
| 预载荷等级 C | 215 | N/µm | ||
| coefficient | f | 1.06 | ||
| coefficient | f1 | 0.99 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.02 | ||
| coefficient | f2C | 1.05 | ||
| coefficient | fHC | 1.01 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | e | 0.68 | ||
| coefficient（单轴，串轴） | Y2 | 0.87 | ||
| coefficient（单轴，串轴） | Y0 | 0.38 | ||
| coefficient（单轴，串轴） | X2 | 0.41 | ||
| 系数计算（背对背配置，面对面配置） | Y1 | 0.92 | ||
| 系数计算（背对背配置，面对面配置） | Y2 | 1.41 | ||
| 系数计算（背对背配置，面对面配置） | Y0 | 0.76 | ||
| 系数计算（背对背配置，面对面配置） | X2 | 0.67 | ||
weight
| Bearing weight | 0.4 | kg |
