All Brands
- Basic parameters
- Angular contact ball bearings
- Series
- 7228CDB
- Model
- Main Size(mm)
- 140
- d
- 250
- D
- 42
- B
- 84
- 2 B
- 3
- r smin 2
- 1.1
- r 1smin 2
- Rated base load
- 221
- Dynamic load Cr/kN
- 233
- Static load Cor/kN
- 22,600
- Dynamic load Cr/kgf
- 23,800
- Static load Cor/kgf
- Allowable speed(rpm)
- 4,000
- Grease lubrication
- 5,300
- Oil lubrication
- 7228C
- Bearing number
- Point of action(mm)
- 47
- a
- Mass(kg)
- 7.3
- Single column(about)
- Rated base load
- 360
- Dynamic load Cr/(双列) kN
- 465
- Static load Cor/( Double column ) kN
- 36,500
- Dynamic load Cr/( Double column ) kgf
- 47,500
- Static load Cor/( Double column ) kgf
- Allowable speed(rpm)( Double column )
- 3,200
- Grease lubrication
- 4,200
- Oil lubrication
- Bearing number
- DB
- DB
- DF
- DF
- DT
- DT
- Installation relationship size(mm)
- 154
- da minmum
- 236
- Da maximum
- 243
- r as maximun
- 2.5
- Db maximum
- 1
- r 1as maximun
