Industrial replacement referenceSource-backed records · No compatibility guesswork

JTEKT/Koyo deep groove ball bearing · Shielded ZZ

6920-1 ZZ

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

Bore d100 mmOutside diameter D140 mmWidth B20 mmDynamic rating Cr51.5 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
6920-1 ZZ
Classification
Shielded ZZ
Bore d
100 mm
Outside diameter D
140 mm
Width B
20 mm
Minimum corner radius r
1.1 mm
Basic dynamic load rating Cr
51.5 kN
Basic static load rating C0r
39.6 kN
Fatigue load limit Cu
1.9 kN
Factor f0
16.2
Published row text
6920-1 ZZ | 100 | 140 | 20 | 1.1 | 51.5 | 39.6 | 1.9 | 16.2
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.

Related Koyo bearings

Same bore dimension

8