Miniature Deep Groove Ball Bearing Inch R2 5 ZZ / 2Z 3.175 x 7.938 x 3.571 mm
Item number:
R2-5-ZZ
Item features:
For use in special conditions. The miniature ball bearing R2-5-ZZ / 2Z in inch-size is small and suitable for installation with limited space and on thin shafts.
Technical ScribbleZoomable
Technical Data
Inside Ø (mm): | 3.175 |
Outside Ø (mm): | 7.938 |
Width (mm): | 3.571 |
Bore: | cylindrical |
Extended Inner Ring: | no |
Tolerance for inside-Ø (mm): | 0/-0,008 |
Tolerance for outside-Ø (mm): | 0/-0,008 |
Tolerance for width (mm): | 0/-0,12 |
Seal: | ZZ |
Sealing material: | Sheet Steel |
Noise and vibration testing: | Class V |
Cage Material: | Sheet Steel |
Internal Clearance: | CN (Standard) |
Lifetime lubricated: | yes |
Magnetic: | yes |
Norm: | DIN 625-1 |
Ring Material: | Rolling Bearing Steel |
Type of lubrication: | greased |
Tolerance Class: | ABEC 1 / P0 |
max. Operating Temperature: | +120°C |
Rolling Element Material: | Rolling Bearing Steel |
min. Operating Temperature: | -20°C |
Item weight: | 1 g |
Features
- miniature ball bearing with smallest dimensions
- suitable for high radial loads and light axial loads in both directions
- suitable for high running accuracy and quiet running
- seal: non-contact gap seal on both sides made of a profiled sheet steel disc (ZZ / 2Z)
- good fixed bearing property, but can also be used as a floating bearing, each in both directions
- manufacturers of bearings, such as FAG, KOYO, NSK, SKF, SNR, etc. assign different suffixes for their characteristics, for better orientation take note of the comparison table of bearings (see further information)
Further Information
- What does radial and axial load capacity mean?
- Fit recommendations for mounting
- Info sheet ball bearing
- Information about ball bearing seals
- Internal clearance and operating clearance
- Comparison list of roller bearings
- Comparison of features of roller bearings
- How do I clean my bearings?
- How do I grease or oil my bearings?
- How do I remove a sealing washer or cover plate?