All Brands
- Basic parameters
- Spherical roller bearings
- Series
- 21311K
- Model
- Main Size(mm)
- 55
- d
- 120
- D
- 29
- B
- 2
- r smin 3
- Rated base load
- 145
- Dynamic load Cr/kN
- 163
- Static load Cor/kN
- 14800
- Dynamic load Cr/kgf
- 16600
- Static load Cor/kgf
- Allowable speed(rpm) 1
- 2,400
- Grease lubrication
- 3,700
- Oil lubrication
- Installation relationship size(mm)
- 65
- d a minmum
- ―
- d a maximum
- ―
- D a minmum
- 110
- D a maximum
- 2
- r as maximum
- 0.25
- Constant
- Axial load factor
- 2.69
- Y 1
- 4.01
- Y 2
- 2.63
- Y 0
- Weight(about)kg
- 1.71
- Cylindrical hole
- 1.69
- Tapered hole 2
