JTEKT/Koyo deep groove ball bearing · Extremely light contact sealed
6911 2RD
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6911 2RD
- Classification
- Extremely light contact sealed
- Bore d
- 55 mm
- Outside diameter D
- 80 mm
- Width B
- 13 mm
- Minimum corner radius r
- 1 mm
- Basic dynamic load rating Cr
- 20.8 kN
- Basic static load rating C0r
- 14.1 kN
- Fatigue load limit Cu
- 0.76 kN
- Factor f0
- 16.2
- Published row text
- 6911 2RD | 55 | 80 | 13 | 1 | 20.8 | 14.1 | 0.76 | 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 ZZ6811 ZZD 72 mm · B 9 mmShielded 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 mm