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7230-B-XL-MP-UO
Angular contact ball bearing
Angular contact ball bearing 72..-B-XL-MP, single row, X-life, solid brass cage
Replaces
7230-B-MP-UO, 7230B.MP.UO
Product information
Main Dimensions & Performance Data
| d | 150 mm | Bore diameter |
| D | 270 mm | Outside diameter |
| B | 45 mm | Width |
| Cr | 245,000 N | Basic dynamic load rating, radial |
| C0r | 275,000 N | Basic static load rating, radial |
| Cur | 13,200 N | Fatigue load limit, radial |
| nG | 4,100 1/min | Limiting speed |
| nϑr | 2,850 1/min | Reference speed |
| ≈m | 11.136 kg | Weight |
Mounting dimensions
| da min | 164 mm | Minimum diameter of shaft shoulder |
| Da max | 256 mm | Maximum diameter of housing shoulder |
| Db max | 263 mm | Maximum diameter of housing shoulder |
| ra max | 2.5 mm | Maximum fillet radius of shaft |
| ra1 max | 1 mm | Maximum fillet radius of housing |
Dimensions
| rmin | 3 mm | Minimum chamfer dimension |
| r1 min | 1.1 mm | Minimum chamfer dimension |
| D1 | 223.5 mm | Shoulder diameter on outer ring wide side face |
| d1 | 197.5 mm | Shoulder diameter on inner ring wide side face |
| a | 110.6 mm | Distance between the apexes of the pressure cones |
| α | 40 ° | Contact angle |
Temperature range
| Tmin | -30 °C | Operating temperature min. |
| Tmax | 200 °C | Operating temperature max. |
Additional information
| Amin | 0 µm | Axial clearance per set min. |
| Tol(+) | 12 µm | Tolerance for axial clearance or preload per set |