All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NN3028
- Model
- Main Size(mm)
- 140
- d
- 210
- D
- 53
- B
- 2
- r smin 1
- Rated base load
- 298
- Dynamic load Cr/kN
- 515
- Static load Cor/kN
- 30,500
- Dynamic load Cr/kgf
- 52,500
- Static load Cor/kgf
- Allowable speed(rpm)
- 2,800
- Grease lubrication
- 3,300
- Oil lubrication
- Size(mm)
- ―
- Fw
- 192
- Ew
- Installation relationship size(mm)
- 149
- d a minmum
- 153
- d b minmum
- ―
- d cmaximum
- ―
- d d minmum
- ―
- Da maximum
- 201
- D b maximum
- 194
- D bminmum
- 2
- r as maximum
- Weight(about)kg
- ―
- NNU Cylindrical hole
- ―
- NNU Tapered hole
- 6.44
- NN Cylindrical hole
- 6.21
- NN Tapered hole
