Needle Roller Bearing without Inner Ring NK47/20 47x57x20 mm
Item number: NK47/20
Item features:
The needle bearing NK47/20 has thin cylinders as rolling elements and can absorb high radial forces. Since it has no inner ring, it can be placed directly on the shaft and is suitable for a particularly space-saving installation.
Technical ScribbleZoomable
Technical Data
Inside Ø (mm): | 47 |
Outside Ø (mm): | 57 |
Width (mm): | 20 |
Tolerance for inside-Ø (mm): | 0,041/0,025 |
Tolerance for outside-Ø (mm): | 0/-0,013 |
Tolerance for width (mm): | 0/-0,12 |
Inner Ring: | no |
Seal: | open |
Ring Material: | Rolling Bearing Steel |
Rolling Element Material: | Rolling Bearing Steel |
Cage Material: | Sheet Steel |
Type of lubrication: | oiled |
max. Operating Temperature: | +120°C |
min. Operating Temperature: | -40°C |
Magnetic: | yes |
Norm: | DIN 617 |
Item weight: | 95 g |
Features
- it consists of a machined massive outer ring with rib and a needle roller and cage assembly
- suitable for high radial load capacities
- without inner ring, lighter than the NKI series and suitable for higher speeds
- cage material: sheet steel. Resistant to fatigue and wear; provide good protection against impact loads and acceleration forces
- can be used if the surface of the shaft is suitable as a raceway
- In addition to this article, we can also offer bearings of the brands FAG, KOYO, NSK, SKF, SNR, etc. on request.