Large size deep groove ball bearing 61864 MA 320x400x38 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 | 320 mm | Bore diameter |
| D | 400 mm | Outside diameter |
| B | 38 mm | Width |
| d1 | 345 mm | Shoulder diameter inner ring |
| D1 | 376 mm | Shoulder diameter outer ring |
| r | 2.1 mm | Chamfer dimension |
| Cr | 172 kN | Basic dynamic load rating |
| C0r | 255 kN | Basic static load rating |
| 3000 r/min | Reference Speed | |
| 2400 r/min | Limiting speed |
| ≈m | 11 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
