All Brands
- Basic parameters
- The imperial tapered roller bearings
- Series
- 4T-2578/2523
- Model
- Main Size(mm)
- 28.575
- d
- 69.85
- D
- 23.812
- T
- 25.357
- B
- 19.05
- C
- Rated base load
- 69
- Dynamic load Cr/kN
- 81.5
- Static load Cor/kN
- 7,050
- Dynamic load Cr/kgf
- 8,300
- Static load Cor/kgf
- Allowable speed(rpm)
- 5,700
- Grease lubrication
- 7,600
- Oil lubrication
- Bearing number
- 4T-2578/2523
- Bearing number
- Installation relationship size(mm)
- 39
- da
- 35
- db
- 61
- Da
- 64
- D b
- 2.3
- r as max
- 1.3
- r 1as max
- Point of action(mm)
- 9.1
- a
- Constant
- 0.27
- e
- Axial load factor
- 2.19
- Y 2
- 1.21
- Y 0
- Weight(about)kg
- 0.483
- Weight
