All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NNU4948
- Model
- Main Size(mm)
- 240
- d
- 320
- D
- 80
- B
- 2.1
- r smin 1
- Rated base load
- 610
- Dynamic load Cr/kN
- 1,410
- Static load Cor/kN
- 62,500
- Dynamic load Cr/kgf
- 144,000
- Static load Cor/kgf
- Allowable speed(rpm)
- 1,700
- Grease lubrication
- 2,000
- Oil lubrication
- Size(mm)
- 265
- Fw
- 301
- Ew
- Installation relationship size(mm)
- 251
- d a minmum
- 258
- d b minmum
- 262
- d cmaximum
- 269
- d d minmum
- 309
- Da maximum
- 309
- D b maximum
- 304
- D bminmum
- 2
- r as maximum
- Weight(about)kg
- 17.2
- NNU Cylindrical hole
- 16.4
- NNU Tapered hole
- 16.4
- NN Cylindrical hole
- 15.6
- NN Tapered hole
