重量:105kg
THK RW 双列交叉滚子轴承结构
| THK | d | D | B | PCD1 | PCD2 | rsmin | Cr | Cor | Mass(kg) | 
| RW228(G) | 160 | 295 | 35 | 184 | 270 | 2 | 58.4 | 158 | 12 | 
| RW228X | 160 | 295 | 35 | 184 | 270 | 2 | 58.4 | 158 | 12 | 
| RW297(G) | 210 | 380 | 40 | 240 | 350 | 2.5 | 101 | 287 | 22 | 
| RW297X | 210 | 380 | 40 | 240 | 350 | 2.5 | 101 | 287 | 22 | 
| RW445(G) | 350 | 540 | 50 | 385 | 505 | 2.5 | 214 | 647 | 47 | 
| RW445X | 350 | 540 | 50 | 385 | 505 | 2.5 | 214 | 647 | 47 |