All Brands
- Basic parameters
- The imperial tapered roller bearings
- Series
- 4T-621/612
- Model
- Main Size(mm)
- 53.975
- d
- 120.65
- D
- 41.275
- T
- 41.275
- B
- 31.75
- C
- Rated base load
- 172
- Dynamic load Cr/kN
- 213
- Static load Cor/kN
- 17,500
- Dynamic load Cr/kgf
- 21,700
- Static load Cor/kgf
- Allowable speed(rpm)
- 3,300
- Grease lubrication
- 4,400
- Oil lubrication
- Bearing number
- 4T-621/612
- Bearing number
- Installation relationship size(mm)
- 70
- da
- 63
- db
- 105
- Da
- 110
- D b
- 3.5
- r as max
- 3.3
- r 1as max
- Point of action(mm)
- 14.4
- a
- Constant
- 0.31
- e
- Axial load factor
- 1.91
- Y 2
- 1.05
- Y 0
- Weight(about)kg
- 2.21
- Weight
