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size
| d | 280 | mm | |
| D | 380 | mm | |
| B | 46 | mm | |
| d1 | 311.8 | mm | |
| d2 | 311.8 | mm | |
| D1 | 348.2 | mm | |
| r1,2 | min. | 2.1 | mm |
| r3,4 | min. | 1.1 | mm |
| a | 67.4 | mm |
Size shoulder size
| da | min. | 291 | mm |
| db | min. | 291 | mm |
| Da | max. | 369 | mm |
| Db | max. | 374 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| dn | 319.7 | mm |
data calculation
| Basic dynamic load rating | C | 291 | kN | |
| Basic rated static load | C0 | 455 | kN | |
| Fatigue load limit | Pu | 10.6 | kN | |
| 润滑脂润滑可达转速 | 4000 | r/min | ||
| 油气润滑法可达转速 | 5600 | r/min | ||
| 球直径 | Dw | 30.162 | mm | |
| 页数 | z | 31 | ||
| 参考润滑脂量 | Gref | 159 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 1090 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 295 | N/µm | ||
| 预载荷等级 B | GB | 2180 | N | |
| 预载荷等级 B | 403 | N/µm | ||
| 预载荷等级 C | GC | 4360 | N | |
| 预载荷等级 C | 565 | N/µm | ||
| 预载荷等级 D | GD | 8720 | N | |
| 预载荷等级 D | 822 | N/µm | ||
| coefficient | f | 1.27 | ||
| coefficient | f1 | 1 | ||
| coefficient | f2A | 1 | ||
| coefficient | f2B | 1.07 | ||
| coefficient | f2C | 1.12 | ||
| coefficient | f2D | 1.18 | ||
| coefficient | fHC | 1.04 | ||
| 当量轴承载荷coefficient | ||||
| coefficient | f0 | 16.7 | ||
weight
| Bearing weight | 11.1 | kg |
