12 models in the 645 series, 71.438–71.438 mm bore. 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) | |
|---|---|---|---|---|---|
| 645 | TIMKEN | — | |||
| 645 - 632 | TIMKEN | Cross-ref → | |||
| 645 - 632-B | TIMKEN | — | |||
| 645 - 632A | TIMKEN | — | |||
| 645 - 632D | TIMKEN | — | |||
| 645 - 632DC | TIMKEN | — | |||
| 645 - 633 | TIMKEN | — | |||
| 645 - 634W | TIMKEN | — | |||
| 645X | TIMKEN | — | |||
| 645X - 632 | TIMKEN | — | |||
| 645/632 | ANDGE | 71.438 | 136.525 | 41.275 | Cross-ref → |
| 645/632X | ANDGE | 71.438 | 136.525 | 41.275 | — |
645 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