JTEKT/Koyo deep groove ball bearing · Shielded ZZ
6908 ZZ
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6908 ZZ
- Classification
- Shielded ZZ
- Bore d
- 40 mm
- Outside diameter D
- 62 mm
- Width B
- 12 mm
- Minimum corner radius r
- 0.6 mm
- Basic dynamic load rating Cr
- 17.1 kN
- Basic static load rating C0r
- 9.95 kN
- Fatigue load limit Cu
- 0.57 kN
- Factor f0
- 15.6
- Published row text
- 6908 ZZ | 40 | 62 | 12 | 0.6 | 17.1 | 9.95 | 0.57 | 15.6
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 ZZ6808 ZZD 52 mm · B 7 mmShielded ZZ6008 ZZD 68 mm · B 15 mmShielded ZZ6208 ZZD 80 mm · B 18 mmShielded ZZ6308 ZZD 90 mm · B 23 mmNon-contact sealed6808 2RUD 52 mm · B 7 mmNon-contact sealed6908 2RUD 62 mm · B 12 mmNon-contact sealed6008 2RUD 68 mm · B 15 mmNon-contact sealed6208 2RUD 80 mm · B 18 mm