All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NNU4921
- Model
- Main Size(mm)
- 105
- d
- 145
- D
- 40
- B
- 1.1
- r smin 1
- Rated base load
- 133
- Dynamic load Cr/kN
- 268
- Static load Cor/kN
- 13,500
- Dynamic load Cr/kgf
- 27,400
- Static load Cor/kgf
- Allowable speed(rpm)
- 4,100
- Grease lubrication
- 4,800
- Oil lubrication
- Size(mm)
- 118
- Fw
- 134
- Ew
- Installation relationship size(mm)
- 111.5
- d a minmum
- 115
- d b minmum
- 116
- d cmaximum
- 120
- d d minmum
- 138.5
- Da maximum
- 138.5
- D b maximum
- 136
- D bminmum
- 1
- r as maximum
- Weight(about)kg
- 1.91
- NNU Cylindrical hole
- 1.82
- NNU Tapered hole
- 1.82
- NN Cylindrical hole
- 1.73
- NN Tapered hole
