All Brands
- Basic parameters
- Self-aligning ball bearing
- Series
- 1221
- Model
- Main Size(mm)
- 105
- d
- 190
- D
- 36
- B
- 2.1
- r smin 1
- Rated base load
- 74.5
- Dynamic load Cr/kN
- 32.5
- Static load Cor/kN
- 7,600
- Dynamic load Cr/kgf
- 3,300
- Static load Cor/kgf
- Allowable speed(rpm) 1
- 2,800
- Grease lubrication
- 3,300
- Oil lubrication
- Bearing number
- 1221
- Cylindrical hole
- ―
- Tapered hole 2
- Installation relationship size(mm)
- 116
- d a minmum
- 179
- D a maximum
- 2
- r as maximum
- Constant
- 0.18
- e
- Axial load factor
- 3.56
- Y1
- 5.52
- Y2
- 3.73
- Y0
- Weight(kg)(about)
- 4.34
- cylindrical bore
- ―
- tapered bore
