All Brands
- Basic parameters
- Angular contact ball bearings
- Series
- 7921C
- Model
- Main Size(mm)
- 105
- d
- 145
- D
- 20
- B
- 40
- 2 B
- 1.1
- r smin 2
- 0.6
- r 1smin 2
- Rated base load
- 54.0
- Dynamic load Cr/kN
- 61.5
- Static load Cor/kN
- 5,500
- Dynamic load Cr/kgf
- 6,250
- Static load Cor/kgf
- Allowable speed(rpm)
- 6,500
- Grease lubrication
- 8,700
- Oil lubrication
- 7921C
- Bearing number
- Point of action(mm)
- 26.5
- a
- Mass(kg)
- 0.81
- Single column(about)
- Rated base load
- 87.5
- Dynamic load Cr/(双列) kN
- 123
- Static load Cor/( Double column ) kN
- 8,900
- Dynamic load Cr/( Double column ) kgf
- 12,500
- Static load Cor/( Double column ) kgf
- Allowable speed(rpm)( Double column )
- 5,200
- Grease lubrication
- 6,900
- Oil lubrication
- Bearing number
- DB
- DB
- DF
- DF
- DT
- DT
- Installation relationship size(mm)
- 112
- da minmum
- 138
- Da maximum
- 140.5
- r as maximun
- 1
- Db maximum
- 0.6
- r 1as maximun
