6211 bearing
The 6211 is a deep groove ball bearing with a 55 mm bore, 100 mm outside diameter and 21 mm width, open (no seals or shields).
Size & specs
| Type | Deep groove ball bearing, 62 series (medium) |
|---|---|
| Bore (ID) | 55 mm (2.165 in) |
| Outside diameter (OD) | 100 mm (3.937 in) |
| Width | 21 mm (0.827 in) |
| Seals / shields | Open |
Cross reference: same bearing, other brands
| SKF | 6211 |
|---|---|
| NTN | 6211 |
| NSK | 6211 |
| FAG | 6211 |
| Timken | 6211 |
| Koyo | 6211 |
Budget brands usually sell this as 6211. Add C3 if your old bearing was stamped C3 (looser fit for hot-running motors).
Where to buy
Other bearings with a 55 mm bore
Questions
What size is a 6211 bearing?
55 × 100 × 21 mm (bore × outside diameter × width).
What is an open 6211 bearing?
It has no seals or shields, so it must be lubricated by the machine (oil bath or grease). Choose 2RS or ZZ if the bearing needs to stay clean on its own.