All Brands
- Basic parameters
- Tapered roller bearing
- Series
- 4T-30311D
- Model
- Main Size(mm)
- 55
- d
- 120
- D
- 31.5
- T
- 29
- B
- 21
- C
- 2.5
- r s min1
- 2
- r1 s min1
- Rated base load
- 132
- Dynamic load Cr/kN
- 154
- Static load Cor/kN
- 13,500
- Dynamic load Cr/kgf
- 15,700
- Static load Cor/kgf
- Allowable speed(rpm)
- 2,900
- Grease lubrication
- 3,800
- Oil lubrication
- Bearing number
- 4T-30311D
- Bearing number
- ISOSize
- 7FB
- ISOSize
- Installation relationship size(mm)
- 67
- d a minmum
- 68
- d b maximum
- 110
- Da maximum
- 94
- Da minmum
- 113
- D b minmum
- 4
- S a minmum
- 10.5
- Sb minmum
- 2
- r as maximum
- 2
- r las maximum
- Point of action(mm)
- 38
- a
- Constant
- 0.83
- e
- Axial load factor
- 0.73
- Y 2
- 0.40
- Y 0
- Weight(about)kg
- 1.59
- Weight
