All Brands
- Basic parameters
- The imperial tapered roller bearings
- Series
- 4T-12580/12520
- Model
- Main Size(mm)
- 20.638
- d
- 49.225
- D
- 19.845
- T
- 19.845
- B
- 15.875
- C
- Rated base load
- 37.5
- Dynamic load Cr/kN
- 39
- Static load Cor/kN
- 3,800
- Dynamic load Cr/kgf
- 3,950
- Static load Cor/kgf
- Allowable speed(rpm)
- 8,200
- Grease lubrication
- 11,000
- Oil lubrication
- Bearing number
- 4T-12580/12520
- Bearing number
- Installation relationship size(mm)
- 28.5
- da
- 26
- db
- 42.5
- Da
- 45.5
- D b
- 1.5
- r as max
- 1.5
- r 1as max
- Point of action(mm)
- 7.1
- a
- Constant
- 0.32
- e
- Axial load factor
- 1.86
- Y 2
- 1.02
- Y 0
- Weight(about)kg
- 0.182
- Weight
