Industrial replacement referenceSource-backed records · No compatibility guesswork

JTEKT/Koyo deep groove ball bearing · Non-contact sealed

6803 2RU

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

Bore d17 mmOutside diameter D26 mmWidth B5 mmDynamic rating Cr3.3 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
6803 2RU
Classification
Non-contact sealed
Bore d
17 mm
Outside diameter D
26 mm
Width B
5 mm
Minimum corner radius r
0.3 mm
Basic dynamic load rating Cr
3.3 kN
Basic static load rating C0r
1.55 kN
Fatigue load limit Cu
0.06 kN
Factor f0
15.7
Published row text
6803 2RU | 17 | 26 | 5 | 0.3 | 3.3 | 1.55 | 0.06 | 15.7
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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