12 models in the 301 series, 11.999–12 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) | |
|---|---|---|---|---|---|
| 301K FS50000 | TIMKEN | — | |||
| 301KD FS50000 | TIMKEN | — | |||
| 301KDD FS50000 | TIMKEN | — | |||
| 301K | TIMKEN | 11.999 | 37 | 11.999 | Cross-ref → |
| 301K | ANDGE | 12 | 37 | 12 | Cross-ref → |
| 301KD | ANDGE | 12 | 37 | 12 | — |
| 301KDD | ANDGE | 12 | 37 | 12 | — |
| 301S | ANDGE | 12 | 37 | 12 | — |
| 301SF | ANDGE | 12 | 37 | 12 | — |
| 301SFF | ANDGE | 12 | 37 | 12 | — |
| 301SZ | ANDGE | 12 | 37 | 12 | — |
| 301SZZ | ANDGE | 12 | 37 | 12 | — |
301 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 Deep Groove Ball Bearings series: 62 · 60 · 63 · 618 · 619 · 69 · 68 · 160