JTEKT/Koyo deep groove ball bearing · Shielded ZZ
60/28 ZZ
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 60/28 ZZ
- Classification
- Shielded ZZ
- Bore d
- 28 mm
- Outside diameter D
- 52 mm
- Width B
- 12 mm
- Minimum corner radius r
- 0.6 mm
- Basic dynamic load rating Cr
- 15.6 kN
- Basic static load rating C0r
- 7.4 kN
- Fatigue load limit Cu
- 0.48 kN
- Factor f0
- 14.5
- Published row text
- 60/28 ZZ | 28 | 52 | 12 | 0.6 | 15.6 | 7.4 | 0.48 | 14.5
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 ZZ62/28 ZZD 58 mm · B 16 mmShielded ZZ63/28 ZZD 68 mm · B 18 mmNon-contact sealed60/28 2RUD 52 mm · B 12 mmNon-contact sealed62/28 2RUD 58 mm · B 16 mmNon-contact sealed63/28 2RUD 68 mm · B 18 mmExtremely light contact sealed60/28 2RDD 52 mm · B 12 mmExtremely light contact sealed62/28 2RDD 58 mm · B 16 mmExtremely light contact sealed63/28 2RDD 68 mm · B 18 mm