Large size deep groove ball bearing 618/630 M 630x780x69 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 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 | 630 mm | Bore diameter |
| D | 780 mm | Outside diameter |
| B | 69 mm | Width |
| d1 | 681.1 mm | Shoulder diameter inner ring |
| D1 | 730.5 mm | Shoulder diameter outer ring |
| r | 4 mm | Chamfer dimension |
| Cr | 400 kN | Basic dynamic load rating |
| C0r | 780 kN | Basic static load rating |
| 1600 r/min | Reference Speed | |
| 830 r/min | Limiting speed |
| ≈m | 75.9 kg | Weight |
| None | Locating feature outer ring | |
| Bearing steel | Material of race | |
| Machined brass cage | Cage | |
| Open | Closures | |
| CN | Radial clearance | |
| P0 | Tolerance |
