JTEKT/Koyo deep groove ball bearing · Shielded ZZ
6811 ZZ
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6811 ZZ
- Classification
- Shielded ZZ
- Bore d
- 55 mm
- Outside diameter D
- 72 mm
- Width B
- 9 mm
- Minimum corner radius r
- 0.3 mm
- Basic dynamic load rating Cr
- 11 kN
- Basic static load rating C0r
- 8.1 kN
- Fatigue load limit Cu
- 0.42 kN
- Factor f0
- 16.2
- Published row text
- 6811 ZZ | 55 | 72 | 9 | 0.3 | 11 | 8.1 | 0.42 | 16.2
Verification boundary
What still needs to match
Designation and sealingConfirm the complete bearing number and exact shield/seal construction.
Fit and geometryVerify shaft/housing fits, shoulders, fillets, internal clearance, and installation constraints.
DutyCheck speed, temperature, lubrication, contamination, load direction, and required life.
Current manufacturer dataUse the linked JTEKT/Koyo calculation tool and current catalog before ordering.
Related Koyo bearings
Same bore dimension
Shielded ZZ6911 ZZD 80 mm · B 13 mmShielded ZZ6011 ZZD 90 mm · B 18 mmShielded ZZ6211 ZZD 100 mm · B 21 mmShielded ZZ6311 ZZD 120 mm · B 29 mmNon-contact sealed6811 2RUD 72 mm · B 9 mmNon-contact sealed6911 2RUD 80 mm · B 13 mmNon-contact sealed6011 2RUD 90 mm · B 18 mmNon-contact sealed6211 2RUD 100 mm · B 21 mm