All Brands
- Basic parameters
- Deep groove ball bearings
- Series
- 6921ZZ
- Model
- Main Size(mm)
- 105
- d
- 145
- D
- 20
- B
- 1.1
- r smin 1
- 0.5
- rNS minimum
- Rated base load
- 42.5
- Dynamic load Cr/kN
- 42.0
- Static load Cor/kN
- 4,300
- Dynamic load Cr/kgf
- 4,300
- Static load Cor/kgf
- Allowable speed(rpm)
- 4,300
- Grease lubrication open ZZ LLB
- 5,100
- Oil lubrication open Z LB
- 2,500
- LLU
- Bearing number
- 6921
- open
- ZZ
- open
- LLB
- Non-contact seal
- LLU
- Low contact seal
- N
- With Stop groove 2
- NR
- With snap ring 2
- Stop groove Size(mm)
- 142.6
- D1 maximum
- 3.3
- a maximum
- 1.9
- b minmum
- 0.6
- r 0maximum
- Stop ring Size(mm)
- 150.7
- D2 maximum
- 1.7
- f maximum
- Installation relationship size(mm)
- 111.5
- da minmum
- 115
- da maximum 3
- 138.5
- Da maximum
- 152
- Dx (about)
- 4.7
- C Ymaximum
- 1.7
- C zminmum
- 1
- r asminmum
- 0.5
- r Nas maximun
- Weight 4 (kg)
- 0.816
- (about)
