+84 28 3820 8888 
The image is shared by items with the same configuration; specifications on this page belong to this item.
ITEM NUMBER
NK47-20R-1R42X47X20
Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series
d42,000 mmBore
D57,000 mmOutside diameter
B20,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
infos@catson.com.vn
TECHNICAL DATA
Specifications for NK47-20R-1R42X47X20
Units
Technical Specifications
- Type
- Needle Roller Bearing
- Bore Type
- Round
- Material
- High Carbon Chrome Steel
- Cage Material
- Steel
- Limiting Speed - Oil
- 8500 RPM
- Limiting Speed - Grease
- 5500 RPM
- Precision
- ISO Class 0
- Configuration
- One
- Enclosure
- Open
- Bearing Design
- w/ Inner Ring
- Oil Hole
- w/ Oil Hole
- Radial Internal Clearance
- CN
- Static Load Rating
- 55500 N 12500 lbf
- Dynamic Load Rating
- 28800 N 6450 lbf
- Weight
- 0.148 kg 0.326 lb
- Operating Temperature Range
- -40 to 120 ºC -40 to 250 ºF
Dimensional Specifications
- d
- 42.000 mm 1.6535 in
- D
- 57.000 mm 2.2441 in
- F
- 47.000 mm 1.8504 in
- B
- 20.000 mm 0.7874 in
- r
- 0.300 mm 0.0118 in
- s
- 0.500 mm 0.0197 in
- da min
- 44.000 mm 1.7323 in
- Da max
- 55.000 mm 2.1654 in
- ras max
- 0.300 mm 0.0118 in
DOCUMENTS & SUPPORT
QUICK SUPPORT
infos@catson.com.vn
