
Model Numbers: 6311, 6311Z, 6311ZZ, 6311DDU, 6311LLU, 6311-2NSE
Brands Carried: NSK, NTN, Nachi-Fujikoshi
Bearing Sizing: ID 55mm X OD 120mm X W 29mm, 55 mm Ball Bearing
Bearing Seals: Open, Single Shielded, Double Shielded, Rubber Sealed
For more 6311 ball bearings and seal options — we have hundreds visit MISUMI.
Select Part Numbers to Buy 6311 Ball Bearings
| Bearing Seals | NSK | NTN | Nachi-Fujikoshi |
|---|---|---|---|
| Open Type | 6311 | 6311 | 6311 |
| Single Shielded | 6311Z | 6311Z | – |
| Double Shielded | 6311ZZ | 6311ZZ | – |
| Rubber Sealed | 6311DDU | 6311LLU | 6311-2NSE |
Please select between the four options above:

6311 Ball Bearing

6311Z Ball Bearing

6311ZZ Ball Bearing

6311DDU Ball Bearing
6311LLU Ball Bearing
6311-2NSE Ball Bearing
Deep Groove Ball Bearings 6311 – 55X120X29mm Description
The 6311 is a 55 mm Ball Bearing that can be used in many rotary and factory automation applications. The 6311 Deep Groove Ball Bearings is an open style bearing. The 6311Z ball bearing is a single row raceway and single shielded. The 6311ZZ ball bearing has a single row raceway and it is shielded on each side. The 6311DDU, 6311LLU, 6311-2NSE ball bearing are shielded by two rubber seals on each side. The 6311 55 mm Ball Bearing Inner Dimension 55mm X Outer Dimension 120mm X Width 29mm is an open style ball bearing designed for high rotational speeds and high dynamic loads.
6311 Ball Bearings 55X120X29mm Specifications & Dimensions
| Universal | 6311 |
|---|---|
| Type | Ball |
| Inner/Outer Ring Material | Steel |
| Precision | Grade 0 |
| Inner Dimension d(Ø) | 55 |
| Outer Dimension D(Ø) | 120 |
| Width B (or T)(mm) | 29 |
| Retainer Type | Punching |
| Load Direction | Radial |
| Specifications/Environment | Standard |
| Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series |

Deep Groove Ball Bearings 6311 – Technical Specifications/Dimensions
Double Shielded Ball Bearings
Other Ball Bearing Series

