All Brands
- Basic parameters
- Angular contact ball bearings
- Series
- 7921
- 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
- 48.5
- Dynamic load Cr/kN
- 54.5
- Static load Cor/kN
- 4,950
- Dynamic load Cr/kgf
- 5,550
- Static load Cor/kgf
- Allowable speed(rpm)
- 4,400
- Grease lubrication
- 5,900
- Oil lubrication
- 7921
- Bearing number
- Point of action(mm)
- 46
- a
- Mass(kg)
- 0.972
- Single column(about)
- Rated base load
- 79.0
- Dynamic load Cr/(双列) kN
- 109
- Static load Cor/( Double column ) kN
- 8,050
- Dynamic load Cr/( Double column ) kgf
- 11,100
- Static load Cor/( Double column ) kgf
- Allowable speed(rpm)( Double column )
- 3,500
- Grease lubrication
- 4,700
- Oil lubrication
- Bearing number
- DB
- DB
- DF
- DF
- DT
- DT
- Installation relationship size(mm)
- 112
- da minmum
- 112
- db minmum
- 138
- Da maximum
- 140.5
- Db maximum
- 1
- r as maximun
- 0.6
- r 1as maximun
