Deep groove ball bearing 6311 M 55x120x29 mm, machined brass cage, ball-guided
Deep groove ball bearings with brass cage can deliver extra strength and durability in the most unrelenting conditions: extreme shock loads, high vibrations and high forces due to acceleration.The guidance are avaible with ball-guided (suffix"M"), outer ring guided (suffix"MA"), inner ring guided (suffix"MB"). Precision are available with P0(ABEC-1), P6(ABEC-3) and P5(ABEC-5).
| d | 55 mm | Bore diameter |
| D | 120 mm | Outside diameter |
| B | 29 mm | Width |
| d1 | 75.3 mm | Shoulder diameter inner ring |
| D2 | 104 mm | Recess diameter outer ring |
| r | 2 mm | Chamfer dimension |
| Cr | 74.1 kN | Basic dynamic load rating |
| C0r | 45 kN | Basic static load rating |
| 12000 r/min | Reference Speed | |
| 11000 r/min | Limiting speed |
| ≈m | 1.65 kg | Weight |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
| SKF |
| 6311 M |
