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JTEKT/Koyo deep groove ball bearing · Shielded ZZ

6307 ZZ

Manufacturer-published boundary dimensions, basic load ratings, fatigue limit, and f0 factor.

Bore d35 mmOutside diameter D80 mmWidth B21 mmDynamic rating Cr41.7 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
6307 ZZ
Classification
Shielded ZZ
Bore d
35 mm
Outside diameter D
80 mm
Width B
21 mm
Minimum corner radius r
1.5 mm
Basic dynamic load rating Cr
41.7 kN
Basic static load rating C0r
19.3 kN
Fatigue load limit Cu
1.45 kN
Factor f0
13.2
Published row text
6307 ZZ | 35 | 80 | 21 | 1.5 | 41.7 | 19.3 | 1.45 | 13.2
Open Koyo CAD ↗

Verification boundary

What still needs to match

Do not infer interchange
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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