All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NN3084K
- Model
- Main Size(mm)
- 420
- d
- 620
- D
- 150
- B
- 5
- r smin 1
- Rated base load
- 2,080
- Dynamic load Cr/kN
- 4,300
- Static load Cor/kN
- 212,000
- Dynamic load Cr/kgf
- 440,000
- Static load Cor/kgf
- Allowable speed(rpm)
- 840
- Grease lubrication
- 990
- Oil lubrication
- Size(mm)
- ―
- Fw
- 567
- Ew
- Installation relationship size(mm)
- 440
- d a minmum
- 452
- d b minmum
- ―
- d cmaximum
- ―
- d d minmum
- ―
- Da maximum
- 600
- D b maximum
- 571
- D bminmum
- 4
- r as maximum
- Weight(about)kg
- ―
- NNU Cylindrical hole
- ―
- NNU Tapered hole
- 154
- NN Cylindrical hole
- 148
- NN Tapered hole
