JTEKT/Koyo deep groove ball bearing · Shielded ZZ
6044 ZZX
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6044 ZZX
- Classification
- Shielded ZZ
- Bore d
- 220 mm
- Outside diameter D
- 340 mm
- Width B
- 56 mm
- Minimum corner radius r
- 3 mm
- Basic dynamic load rating Cr
- 294 kN
- Basic static load rating C0r
- 271 kN
- Fatigue load limit Cu
- 12 kN
- Factor f0
- 15.6
- Published row text
- 6044 ZZX | 220 | 340 | 56 | 3 | 294 | 271 | 12 | 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.