Large size deep groove ball bearing 61888 MA 440x540x46 mm, machined brass cage, guided on outer 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 | 440 mm | Bore diameter |
| D | 540 mm | Outside diameter |
| B | 46 mm | Width |
| d1 | 472 mm | Shoulder diameter inner ring |
| D1 | 510 mm | Shoulder diameter outer ring |
| r | 2.1 mm | Chamfer dimension |
| Cr | 255 kN | Basic dynamic load rating |
| C0r | 440 kN | Basic static load rating |
| 2200 r/min | Reference Speed | |
| 1800 r/min | Limiting speed |
| ≈m | 22.5 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
