All Brands
- Basic parameters
- Double row cylindrical roller bearings
- Series
- NN3008K
- Model
- Main Size(mm)
- 40
- d
- 68
- D
- 21
- B
- 1
- r smin 1
- Rated base load
- 43.5
- Dynamic load Cr/kN
- 55.5
- Static load Cor/kN
- 4,400
- Dynamic load Cr/kgf
- 5,650
- Static load Cor/kgf
- Allowable speed(rpm)
- 9,700
- Grease lubrication
- 11,000
- Oil lubrication
- Size(mm)
- ―
- Fw
- 61
- Ew
- Installation relationship size(mm)
- 45
- d a minmum
- 47
- d b minmum
- ―
- d cmaximum
- ―
- d d minmum
- ―
- Da maximum
- 63
- D b maximum
- 62
- D bminmum
- 1
- r as maximum
- Weight(about)kg
- ―
- NNU Cylindrical hole
- ―
- NNU Tapered hole
- 0.312
- NN Cylindrical hole
- 0.303
- NN Tapered hole
