Here show the all progress about RW rings manufacturing, from row material to drilling holes and assemble...
RIGIA THK SPEC RW Series Double row angular contact roller bearings for Large size machine tools RW series double-row angular contact roller rings' compact structure guarantees high rigidity and high running accuracy. With the mounting holes on both inner and outer ring, it's also easy to install, no base or presser flange is needed.
THK RW 228 RW297 RW445
THK P/N | d | D | B | PCD1 | PCD2 | rsmin | Cr (KN) | Cor (KN) | 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 |