Industrial replacement referenceSource-backed records · No compatibility guesswork

JTEKT/Koyo deep groove ball bearing · Shielded ZZ

6230 ZZX

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

Bore d150 mmOutside diameter D270 mmWidth B45 mmDynamic rating Cr220 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
6230 ZZX
Classification
Shielded ZZ
Bore d
150 mm
Outside diameter D
270 mm
Width B
45 mm
Minimum corner radius r
3 mm
Basic dynamic load rating Cr
220 kN
Basic static load rating C0r
168 kN
Fatigue load limit Cu
9.05 kN
Factor f0
15.1
Published row text
6230 ZZX | 150 | 270 | 45 | 3 | 220 | 168 | 9.05 | 15.1
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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