All Brands
- Basic parameters
- The imperial tapered roller bearings
- Series
- 4T-2580/2520
- Model
- Main Size(mm)
- 31.750
- d
- 66.421
- D
- 25.4
- T
- 25.357
- B
- 20.638
- 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-2580/2520
- Bearing number
- Installation relationship size(mm)
- 38.5
- da
- 37.5
- db
- 57
- Da
- 62
- D b
- 0.8
- r as max
- 3.3
- 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
- 0.409
- Weight
