All Brands
- Basic parameters
- Cylindrical roller bearing
- Series
- N311
- Model
- Main Size(mm)
- 55
- d
- 120
- D
- 29
- B
- 2
- r smin 2
- 2
- r1s min 2
- Rated base load
- 111
- Dynamic load Cr/kN
- 111
- Static load Cor/kN
- 11,300
- Dynamic load Cr/kgf
- 11,400
- Static load Cor/kgf
- Allowable speed(rpm)
- 5,900
- Grease lubrication
- 7,000
- Oil lubrication
- Size(mm)
- 70.5
- Fw maximum
- 104.5
- Ew maximum
- 77.2
- J minmum
- Installation relationship size(mm)
- 64
- d a minmum
- 64
- d b minmum
- 69
- d c maximum
- 72
- d d minmum
- 80
- d e minmum
- 111
- D a maximum
- 111
- D b maximum
- 107
- D b minmum
- 2
- r as maximum
- 2
- r 1as maximum
- Weight(about)kg
- 1.42
- type NU/type N
