All Brands
- Basic parameters
- Angular contact ball bearings
- Series
- 7220DF
- Model
- Main Size(mm)
- 100
- d
- 180
- D
- 34
- B
- 68
- 2 B
- 2.1
- r smin 2
- 1.1
- r 1smin 2
- Rated base load
- 144
- Dynamic load Cr/kN
- 126
- Static load Cor/kN
- 14,700
- Dynamic load Cr/kgf
- 12,800
- Static load Cor/kgf
- Allowable speed(rpm)
- 3,900
- Grease lubrication
- 5,200
- Oil lubrication
- 7220
- Bearing number
- Point of action(mm)
- 57.5
- a
- Mass(kg)
- 3.2
- Single column(about)
- Rated base load
- 233
- Dynamic load Cr/(双列) kN
- 251
- Static load Cor/( Double column ) kN
- 23,800
- Dynamic load Cr/( Double column ) kgf
- 25,600
- Static load Cor/( Double column ) kgf
- Allowable speed(rpm)( Double column )
- 3,100
- Grease lubrication
- 4,200
- Oil lubrication
- Bearing number
- DB
- DB
- DF
- DF
- DT
- DT
- Installation relationship size(mm)
- 112
- da minmum
- 107
- db minmum
- 168
- Da maximum
- 173
- Db maximum
- 2
- r as maximun
- 1
- r 1as maximun
