10 models in the 665 series, 53.975–85.725 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) | |
|---|---|---|---|---|---|
| 66584/20 | KOYO | 53.975 | 122.238 | 31.75 | — |
| 665-02050B/996713K | ANDGE | 57 | 98 | — | |
| 665-02050B | ANDGE | 57 | 102 | — | |
| 665-02050B1 | ANDGE | 57 | 102 | — | |
| 665-02050B3 | ANDGE | 57 | 102 | — | |
| 665-02050B4 | ANDGE | 57 | 102 | — | |
| 665-02050B5 | ANDGE | 57 | 102 | — | |
| 66589/20 | KOYO | 59.972 | 122.238 | 31.75 | — |
| 665/653 | KOYO | 85.725 | 146.05 | 41.275 | Cross-ref → |
| 665A/653 | KOYO | 85.725 | 146.05 | 41.275 | Cross-ref → |
665 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