11 models in the 531 series, 44.45–1854 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) | |
|---|---|---|---|---|---|
| 531635 | SKF | — | |||
| 53176/53375 | NACHI | 44.45 | 95.25 | 28.301 | Cross-ref → |
| 53177/53375 | NACHI | 44.45 | 95.25 | 28.301 | Cross-ref → |
| 53102RS | KOYO | 50 | 110 | 44.4 | — |
| 53112RS | KOYO | 55 | 120 | 49.2 | — |
| 53122RS | KOYO | 60 | 130 | 54 | — |
| 53132RS | KOYO | 65 | 140 | 58.7 | — |
| 53142RS | KOYO | 70 | 150 | 63.5 | — |
| 53152RS | KOYO | 75 | 160 | 68.3 | — |
| 531331 | SKF | 241.3 | — | ||
| 531456 | SKF | 1854 | — |
531 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 Custom & Special Bearings series: 62 · 685 · 63 · 60 · SNV · K · BND · 697