Description
Dimensions
| d | 40 mm | Bore diameter |
|---|---|---|
| D | 80 mm | Outside diameter |
| B | 30.2 mm | Width |
| d2 | ≈ 47.8 mm | Recess diameter inner ring shoulder |
| D2 | ≈ 72.1 mm | Recess diameter outer ring shoulder |
| r1,2 | min. 1.1 mm | Chamfer dimension inner ring |
| a | 46 mm | Distance pressure point(s) |
Abutment dimensions
| da | min. 47 mm | Abutment diameter shaft |
|---|---|---|
| Da | max. 73 mm | Abutment diameter housing |
| ra | max. 1 mm | Fillet radius |
Calculation data
| performance class | Explorer | |
| Basic dynamic load rating | C | 48 kN |
| Basic static load rating | C0 | 36.5 kN |
| Fatigue load limit | Pu | 1.56 kN |
| Reference speed | 9 000 r/min | |
| Limiting speed | 8 000 r/min | |
| Calculation factor | kr | 0.06 |
| Limiting value | e | 0.8 |
| Calculation factor | X | 0.63 |
| Calculation factor | Y0 | 0.66 |
| Calculation factor | Y1 | 0.78 |
| Calculation factor | Y2 | 1.24 |
Tolerances and clearances
General bearing specifications
- Tolerances: Normal, P6, P5
- Internal clearance: table, drawing no
Bearing interfaces
- Seat tolerances for standard conditions
- Tolerances and resultant fit
Double row angular contact ball bearings correspond, in their design and operation, to a pair of single row angular contact ball bearings in a back-to-back arrangement, while requiring less axial space. They can operate at high speeds and are more suitable than deep groove ball bearings for supporting large axial forces in both directions.
- High-speed capability
- Accommodate relatively high radial loads, high axial loads in both directions and tilting moments
- Suitable where a stiff bearing arrangement is required
- Require less axial space than equivalent pair of single row angular contact ball bearings
