6821 ZZ / 2Z / 61821 ZZ / 2Z deep groove ball bearings
Very narrow, very light and with extremely good spinning characteristics. The deep groove ball bearing 6821-ZZ / 2Z is very narrow and can also be used with limited space. The low weight allows for extremely high speeds.
Features
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thin section bearing with very thin, square cross section
-
suitable for space-saving installation in radial and axial directions
-
suitable for very high speeds compared to deep groove ball bearings with a larger cross section
-
extra light series with compact dimensions and low weight
-
suitable for radial loads and light axial loads in both directions
-
offers high running accuracy, quiet running and high speeds
-
seal: non-contact gap seal on both sides made of a profiled sheet steel disc (ZZ / 2Z) for higher speeds than with rubber seal
-
good fixed bearing property, but can also be used as a floating bearing, each in both directions
Technical Data
Inside Ø (mm):
105
Outside Ø (mm):
130
Width (mm):
13
Tolerance for inside-Ø (mm):
0/-0,02
Tolerance for outside-Ø (mm):
0/-0,018
Tolerance for width (mm):
0/-0,2
Rows Of Balls:
single row
Seal:
ZZ
Ring Material:
Rolling bearing steel
Internal Clearance:
CN (Standard)
Cage Material:
Sheet Steel
Flange:
no
Slot & Snap Ring:
no
Rolling Element Material:
Rolling bearing steel
Full Complement Ball Set:
no
- thin section bearing with very thin, square cross section
- suitable for space-saving installation in radial and axial directions
- suitable for very high speeds compared to deep groove ball bearings with a larger cross section
- extra light series with compact dimensions and low weight
- suitable for radial loads and light axial loads in both directions
- offers high running accuracy, quiet running and high speeds
- seal: non-contact gap seal on both sides made of a profiled sheet steel disc (ZZ / 2Z) for higher speeds than with rubber seal
- good fixed bearing property, but can also be used as a floating bearing, each in both directions
| Inside Ø (mm): | 105 |
| Outside Ø (mm): | 130 |
| Width (mm): | 13 |
| Tolerance for inside-Ø (mm): | 0/-0,02 |
| Tolerance for outside-Ø (mm): | 0/-0,018 |
| Tolerance for width (mm): | 0/-0,2 |
| Rows Of Balls: | single row |
| Seal: | ZZ |
| Ring Material: | Rolling bearing steel |
| Internal Clearance: | CN (Standard) |
| Cage Material: | Sheet Steel |
| Flange: | no |
| Slot & Snap Ring: | no |
| Rolling Element Material: | Rolling bearing steel |
| Full Complement Ball Set: | no |
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