All Brands
- Basic parameters
- Spherical roller bearings
- Series
- 21309CK
- Model
- Main Size(mm)
- 45
- d
- 100
- D
- 25
- B
- 1.5
- r smin 3
- Rated base load
- 102
- Dynamic load Cr/kN
- 106
- Static load Cor/kN
- 10400
- Dynamic load Cr/kgf
- 10800
- Static load Cor/kgf
- Allowable speed(rpm) 1
- 2,900
- Grease lubrication
- 4,400
- Oil lubrication
- Installation relationship size(mm)
- 53.5
- d a minmum
- ―
- d a maximum
- ―
- D a minmum
- 91.5
- D a maximum
- 1.5
- r as maximum
- 0.26
- Constant
- Axial load factor
- 2.6
- Y 1
- 3.87
- Y 2
- 2.54
- Y 0
- Weight(about)kg
- 0.927
- Cylindrical hole
- 0.912
- Tapered hole 2
