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7248-B-MP
Angular contact ball bearing
Angular contact ball bearing 72..-B-MP, single row, solid brass cage
แทนที่
7248B.MP
ข้อมูลผลิตภัณฑ์
Main Dimensions & Performance Data
| d | 240 mm | Bore diameter |
| D | 440 mm | Outside diameter |
| B | 72 mm | Width |
| Cr | 440,000 N | Basic dynamic load rating, radial |
| C0r | 710,000 N | Basic static load rating, radial |
| Cur | 20,100 N | Fatigue load limit, radial |
| nG | 2,230 1/min | Limiting speed |
| nϑr | 1,590 1/min | Reference speed |
| ≈m | 49.2 kg | น้ำหนัก |
Mounting dimensions
| da min | 257 mm | Minimum diameter of shaft shoulder |
| Da max | 423 mm | Maximum diameter of housing shoulder |
| Db max | 431 mm | Maximum diameter of housing shoulder |
| ra max | 3 mm | Maximum fillet radius of shaft |
| ra1 max | 1.5 mm | Maximum fillet radius of housing |
Dimensions
| rmin | 4 mm | Minimum chamfer dimension |
| r1 min | 1.5 mm | Minimum chamfer dimension |
| D1 | 361.95 mm | Shoulder diameter on outer ring wide side face |
| d1 | 322.5 mm | Shoulder diameter on inner ring wide side face |
| a | 178.6 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. |