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size
| d | 20 | mm | |
| D | 42 | mm | |
| B | 12 | mm | |
| d1 | 26.6 | mm | |
| d2 | 24.8 | mm | |
| D1 | 34.21 | mm | |
| r1,2 | min. | 0.6 | mm |
| r3,4 | min. | 0.3 | mm |
| a | 10.2 | mm |
Size shoulder size
| da | min. | 22 | mm |
| db | min. | 22 | mm |
| Da | max. | 40 | mm |
| Db | max. | 39.6 | mm |
| ra | max. | 0.6 | mm |
| rb | max. | 0.3 | mm |
| dn | 28.1 | mm |
data calculation
| Basic dynamic load rating | C | 7.41 | kN | |
| Basic rated static load | C0 | 3.35 | kN | |
| Fatigue load limit | Pu | 0.143 | kN | |
| 润滑脂润滑可达转速 | 65000 | r/min | ||
| 油气润滑法可达转速 | 100000 | r/min | ||
| 球直径 | Dw | 6.35 | mm | |
| 页数 | z | 12 | ||
| 参考润滑脂量 | Gref | 1.1 | 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 | 23 | N/µm | ||
| 预载荷等级 B | GB | 120 | N | |
| 预载荷等级 B | 36 | N/µm | ||
| 预载荷等级 C | GC | 235 | N | |
| 预载荷等级 C | 49 | N/µm | ||
| coefficient | f | 1.04 | ||
| 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 | 7.2 | ||
weight
| Bearing weight | 0.056 | kg |
