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20 mm Single Row Industrial Ball Bearing Axial Load Chrome Steel 7203B
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Product Details
20 mm Single Row Industrial Ball Bearing Axial Load Chrome Steel 7203B
Description:
The raceways of both the inner and outer rings of these non-separable bearings are made with set contact angles. The balls are inserted using counter-bore construction, which allows a larger number of balls to be installed than in deep-groove ball bearings. Single-row angular contact ball bearings can sustain radial, axial and momentary loads. However, any axial load must be applied in one direction. Due to their design, angular contact bearings will experience some amount of axial loading from any radial load that is applied. For this reason, they are often used in pairs.
Specifications:
| Angular contact ball bearings 7204-B | ||
| main dimensions to DIN 628-1, contact angle α = 40° | ||
| d | 20 mm | |
| D | 47 mm | |
| B | 14 mm | |
| a | 21 mm | |
| D1 | 37 mm | |
| Da max | 41,4 mm | |
| Db max | 42,8 mm | |
| d1 | 30,5 mm | |
| da min | 25,6 mm | |
| r1 min | 0,6 mm | |
| ra max | 1 mm | |
| ra1 max | 0,6 mm | |
| rmin | 1 mm | |
| α | 40 ° | Contact angle |
| m | 0,106 kg | Mass |
| Cr | 14000 N | Basic dynamic load rating, radial |
| C0r | 7800 N | Basic static load rating, radial |
| nG | 19700 1/min | Limiting speed |
| nB | 15400 1/min | Reference speed |
| Cur | 520 N | Fatigue limit load, radial |
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