JTEKT/Koyo deep groove ball bearing · Extremely light contact sealed
6306 2RD
Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.
Live manufacturer specification row
Published specifications
- Designation
- 6306 2RD
- Classification
- Extremely light contact sealed
- Bore d
- 30 mm
- Outside diameter D
- 72 mm
- Width B
- 19 mm
- Minimum corner radius r
- 1.1 mm
- Basic dynamic load rating Cr
- 33.3 kN
- Basic static load rating C0r
- 15 kN
- Fatigue load limit Cu
- 1.15 kN
- Factor f0
- 13.3
- Published row text
- 6306 2RD | 30 | 72 | 19 | 1.1 | 33.3 | 15 | 1.15 | 13.3
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.
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