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size
| d | 120 | mm | |
| D | 180 | mm | |
| B | 28 | mm | |
| d1 | 141.42 | mm | |
| d2 | 137.8 | mm | |
| D2 | 163.2 | mm | |
| r1,2 | min. | 2 | mm |
| r3,4 | min. | 1 | mm |
| a | 34.3 | mm |
Size shoulder size
| da | min. | 128.8 | mm |
| da | max. | 140.6 | mm |
| db | min. | 128.8 | mm |
| db | max. | 137 | mm |
| Da | max. | 171.2 | mm |
| Db | max. | 174.4 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
data calculation
| Basic dynamic load rating | C | 57.2 | kN | |
| Basic rated static load | C0 | 55 | kN | |
| Fatigue load limit | Pu | 1.9 | kN | |
| 润滑脂润滑可达转速 | 9300 | r/min | ||
| 球直径 | Dw | 14.288 | mm | |
| 页数 | z | 29 | ||
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 310 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 104 | N/µm | ||
| 预载荷等级 B | GB | 930 | N | |
| 预载荷等级 B | 164 | N/µm | ||
| 预载荷等级 C | GC | 1850 | N | |
| 预载荷等级 C | 225 | N/µm | ||
| coefficient | f | 1.12 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.03 | ||
| coefficient | f2C | 1.05 | ||
| coefficient | fHC | 1 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 9.6 | ||
weight
| Bearing weight | 2.25 | kg |
