All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NN4938
- Model
- Main Size(mm)
- 190
- d
- 260
- D
- 69
- B
- 2
- r smin 1
- Rated base load
- 475
- Dynamic load Cr/kN
- 1,030
- Static load Cor/kN
- 48,500
- Dynamic load Cr/kgf
- 105,000
- Static load Cor/kgf
- Allowable speed(rpm)
- 2,200
- Grease lubrication
- 2,600
- Oil lubrication
- Size(mm)
- 212
- Fw
- 244
- Ew
- Installation relationship size(mm)
- 199
- d a minmum
- 205
- d b minmum
- 209
- d cmaximum
- 215
- d d minmum
- 251
- Da maximum
- 251
- D b maximum
- 246
- D bminmum
- 2
- r as maximum
- Weight(about)kg
- 10.4
- NNU Cylindrical hole
- 9.94
- NNU Tapered hole
- 9.93
- NN Cylindrical hole
- 9.47
- NN Tapered hole
