All Brands
- Basic parameters
- Deep groove ball bearings
- Series
- 6904NR
- Model
- Main Size(mm)
- 20
- d
- 37
- D
- 9
- B
- 0.3
- r smin 1
- 0.3
- rNS minimum
- Rated base load
- 6.40
- Dynamic load Cr/kN
- 3.70
- Static load Cor/kN
- 650
- Dynamic load Cr/kgf
- 375
- Static load Cor/kgf
- Allowable speed(rpm)
- 19,000
- Grease lubrication open ZZ LLB
- 23,000
- Oil lubrication open Z LB
- ―
- LLH
- 12,000
- LLU
- Stop groove Size(mm)
- 35.7
- D1 maximum
- 1.7
- a maximum
- 0.95
- b minmum
- 0.25
- r 0maximum
- Stop ring Size(mm)
- 39.8
- D2 maximum
- 0.85
- f maximum
- Installation relationship size(mm)
- 22
- da minmum
- 24
- da maximum 3
- 35
- Da maximum
- 40.5
- Dx (about)
- 2.3
- C Ymaximum
- 0.9
- C zminmum
- 0.3
- r asminmum
- 0.3
- r Nas maximun
- Weight 4 (kg)
- 0.036
- (about)
