All Brands
- Basic parameters
- Angular contact ball bearings
- Series
- 7304DF
- Model
- Main Size(mm)
- 20
- d
- 52
- D
- 15
- B
- 30
- 2 B
- 1.1
- r smin 2
- 0.6
- r 1smin 2
- Rated base load
- 18.7
- Dynamic load Cr/kN
- 10.4
- Static load Cor/kN
- 1,910
- Dynamic load Cr/kgf
- 1,060
- Static load Cor/kgf
- Allowable speed(rpm)
- 16,000
- Grease lubrication
- 21,000
- Oil lubrication
- 7304
- Bearing number
- Point of action(mm)
- 18
- a
- Mass(kg)
- 0.138
- Single column(about)
- Rated base load
- 30.5
- Dynamic load Cr/(双列) kN
- 20.8
- Static load Cor/( Double column ) kN
- 3,100
- Dynamic load Cr/( Double column ) kgf
- 2,130
- Static load Cor/( Double column ) kgf
- Allowable speed(rpm)( Double column )
- 12,000
- Grease lubrication
- 17,000
- Oil lubrication
- Bearing number
- DB
- DB
- DF
- DF
- DT
- DT
- Installation relationship size(mm)
- 27
- da minmum
- 24.5
- db minmum
- 45
- Da maximum
- 47.5
- Db maximum
- 1
- r as maximun
- 0.6
- r 1as maximun
