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size
| d | 240 | mm | |
| D | 320 | mm | |
| B | 38 | mm | |
| d1 | 264.7 | mm | |
| d2 | 264.7 | mm | |
| D1 | 295.3 | mm | |
| r1,2 | min. | 2.1 | mm |
| r3,4 | min. | 1 | mm |
| a | 56.6 | mm |
Size shoulder size
| da | min. | 251 | mm |
| db | min. | 251 | mm |
| Da | max. | 309 | mm |
| Db | max. | 315 | mm |
| ra | max. | 2 | mm |
| rb | max. | 1 | mm |
| dn | 271.4 | mm |
data calculation
| Basic dynamic load rating | C | 229 | kN | |
| Basic rated static load | C0 | 325 | kN | |
| Fatigue load limit | Pu | 8.15 | kN | |
| 润滑脂润滑可达转速 | 4800 | r/min | ||
| 油气润滑法可达转速 | 6700 | r/min | ||
| 球直径 | Dw | 25.4 | mm | |
| 页数 | z | 31 | ||
| 参考润滑脂量 | Gref | 93 | cm³ | |
| 预载荷（背对背配置，面对面配置） | ||||
| 预载荷等级 A | GA | 860 | N | |
| 轴向静刚度 | ||||
| 预载荷等级 A | 263 | N/µm | ||
| 预载荷等级 B | GB | 1720 | N | |
| 预载荷等级 B | 361 | N/µm | ||
| 预载荷等级 C | GC | 3440 | N | |
| 预载荷等级 C | 512 | N/µm | ||
| 预载荷等级 D | GD | 6880 | N | |
| 预载荷等级 D | 752 | N/µm | ||
| coefficient | f | 1.32 | ||
| 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 | 5.98 | kg |
