6311 Open Deep Groove Ball Bearing
6311 is a open single-row bearing with a 55 mm bore, 120 mm outside diameter, and 29 mm width. Request a bulk quote with your quantity, destination, and required suffix.
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| mm | in (≈) | |
|---|---|---|
| Bore | 55 | 2.165 |
| Outside diameter | 120 | 4.724 |
| Width | 29 | 1.142 |
| Closure | Open | |
Dimensions are nominal. Inch values are rounded conversions.
Confirm the open design and lubrication arrangement against the drawing. If your drawing specifies a brand or clearance, include the complete marking. For equivalent parts, list the accepted brands and any required inspection documents.
| Part number | Bore × Outside diameter × Width |
|---|---|
| 6011 | 55 × 90 × 18 mm |
| 6211 | 55 × 100 × 21 mm |