Large size deep groove ball bearing 61980 MB 400x540x65 mm, machined brass cage, guided on inner ring rib
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 is available with ball-guided (suffix "M"), outer ring guided (suffix "MA"), inner ring guided (suffix "MB"). Precisions are available with P0(ABEC-1), P6(ABEC-3) and P5(ABEC-5).
| d | 400 mm | Bore diameter |
| D | 540 mm | Outside diameter |
| B | 65 mm | Width |
| d1 | 445 mm | Shoulder diameter inner ring |
| D1 | 496 mm | Shoulder diameter outer ring |
| r | 4 mm | Chamfer dimension |
| Cr | 345 kN | Basic dynamic load rating |
| C0r | 570 kN | Basic static load rating |
| 2200 r/min | Reference Speed | |
| 1800 r/min | Limiting speed |
| ≈m | 41.5 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
