6906 bearing
The 6906 is a deep groove ball bearing with a 30 mm bore, 47 mm outside diameter and 9 mm width, open (no seals or shields).
Size & specs
| Type | Deep groove ball bearing, 69 series (thin) |
|---|---|
| Bore (ID) | 30 mm (1.181 in) |
| Outside diameter (OD) | 47 mm (1.85 in) |
| Width | 9 mm (0.354 in) |
| Seals / shields | Open |
Cross reference: same bearing, other brands
| SKF | 6906 |
|---|---|
| NTN | 6906 |
| NSK | 6906 |
| FAG | 6906 |
| Timken | 6906 |
| Koyo | 6906 |
Budget brands usually sell this as 6906. Add C3 if your old bearing was stamped C3 (looser fit for hot-running motors).
Where to buy
Other bearings with a 30 mm bore
Questions
What size is a 6906 bearing?
30 × 47 × 9 mm (bore × outside diameter × width).
What is an open 6906 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.