13 models in the 421 series. Every row links to the full specification page and to the cross-reference page of that model.
| Model | Brand | Bore d (mm) | OD D (mm) | Width B (mm) | |
|---|---|---|---|---|---|
| 421 | TIMKEN | — | |||
| 421 - 412 | TIMKEN | — | |||
| 421 - 412A | TIMKEN | — | |||
| 421 - 413 | TIMKEN | — | |||
| 421 - 413X | TIMKEN | — | |||
| 421 - 414 | TIMKEN | — | |||
| 421 - 414A | TIMKEN | — | |||
| 421 - 414X | TIMKEN | — | |||
| 421417 | TIMKEN | — | |||
| 421437 | TIMKEN | — | |||
| 421450 | TIMKEN | — | |||
| 421451CD | TIMKEN | — | |||
| 421455D | TIMKEN | — |
421 series bearings follow the ISO dimension plan for this family, so a given number is dimensionally interchangeable between brands - see the cross-reference to confirm. Choose the suffix for your duty: shields for dry, clean positions, contact seals for wet or dusty ones, and a larger clearance class where the fit or temperature demands it.
Other Tapered Roller Bearings series: EE · HM · LM · M · 320 · BT · 322 · L