Large size deep groove ball bearing 61960 MA 300x420x56 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 | 300 mm | Bore diameter |
| D | 420 mm | Outside diameter |
| B | 56 mm | Width |
| d1 | 338 mm | Shoulder diameter inner ring |
| D1 | 384 mm | Shoulder diameter outer ring |
| r | 3 mm | Chamfer dimension |
| Cr | 270 kN | Basic dynamic load rating |
| C0r | 375 kN | Basic static load rating |
| 3000 r/min | Reference Speed | |
| 2400 r/min | Limiting speed |
| ≈m | 24.5 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
