Needle Bearing RNA4902 20x28x13 mm
Item number: RNA4902
Item features:
The needle roller bearing RNA 4902 without inner ring has a high radial load carrying capacity and requires a small radial assembly space. The bearing has integral flanges on the outer ring. The main dimensions correspond to DIN 617 (DIN = German industrial norm).
Technical ScribbleZoomable
Technical Data
Inside Ø (mm): | 20 |
Outside Ø (mm): | 28 |
Width (mm): | 13 |
Tolerance for inside-Ø (mm): | 0,033/0,02 |
Tolerance for outside-Ø (mm): | 0/-0,009 |
Tolerance for width (mm): | 0/-0,12 |
Seal: | open |
Inner Ring: | no |
Cage Material: | Sheet Steel |
Magnetic: | yes |
Norm: | DIN 617 |
Ring Material: | Rolling Bearing Steel |
Type of lubrication: | oiled |
max. Operating Temperature: | +120°C |
Rolling Element Material: | Rolling Bearing Steel |
min. Operating Temperature: | -40°C |
Item weight: | 21 g |
Features
- suitable for high radial loads
- require a small radial assembly space
- condition for the use is a hardened and ground shaft
- with an annular groove and lubrication holes in the outer ring
- allows axial displacements – depending on the width of the raceway on the shaft
- material: chrome steel (100Cr6)
- temperature resistance: from circa –20 °C up to +120 °C