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size
| d | 15 | mm | |
| D | 28 | mm | |
| B | 7 | mm | |
| d1 | 18.9 | mm | |
| d2 | 18.9 | mm | |
| D2 | 25.8 | mm | |
| r1,2 | min. | 0.3 | mm |
| r3,4 | min. | 0.2 | mm |
| a | 8.5 | mm |
Size shoulder size
| da | min. | 17 | mm |
| da | max. | 18.5 | mm |
| db | min. | 17 | mm |
| db | max. | 18.5 | mm |
| Da | max. | 26 | mm |
| Db | max. | 26.6 | mm |
| ra | max. | 0.3 | mm |
| rb | max. | 0.2 | mm |
data calculation
| Basic dynamic load rating | C | 3.77 | kN | |
| Basic rated static load | C0 | 1.8 | kN | |
| Fatigue load limit | Pu | 0.078 | kN | |
| 润滑脂润滑可达转速 | 50000 | r/min | ||
| 球直径 | Dw | 3.969 | mm | |
| 页数 | z | 13 | ||
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 25 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 40 | N/µm | ||
| 预载荷等级 B | GB | 50 | N | |
| 预载荷等级 B | 51 | N/µm | ||
| 预载荷等级 C | GC | 100 | N | |
| 预载荷等级 C | 67 | N/µm | ||
| 预载荷等级 D | GD | 200 | N | |
| 预载荷等级 D | 88 | N/µm | ||
| coefficient | f | 1.05 | ||
| coefficient | f1 | 0.98 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.04 | ||
| coefficient | f2C | 1.08 | ||
| coefficient | f2D | 1.14 | ||
| coefficient | fHC | 1 | ||
| 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 | 0.016 | kg |
