All Brands
- Basic parameters
- Self-aligning ball bearing
- Series
- 2221
- Model
- Main Size(mm)
- 105
- d
- 190
- D
- 50
- B
- 2.1
- r smin 1
- Rated base load
- 109
- Dynamic load Cr/kN
- 45
- Static load Cor/kN
- 11,100
- Dynamic load Cr/kgf
- 4,550
- Static load Cor/kgf
- Allowable speed(rpm) 1
- 2,600
- Grease lubrication
- 3,100
- Oil lubrication
- Bearing number
- 2221
- Cylindrical hole
- ―
- Tapered hole 2
- Installation relationship size(mm)
- 116
- d a minmum
- 179
- D a maximum
- 2
- r as maximum
- Constant
- 0.28
- e
- Axial load factor
- 2.25
- Y1
- 3.49
- Y2
- 2.36
- Y0
- Weight(kg)(about)
- 6.07
- cylindrical bore
- ―
- tapered bore
