6905 2RU

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

Bore d25 mmOutside diameter D42 mmWidth B9 mmDynamic rating Cr8.75 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo

Designation: 6905 2RU
Classification: Non-contact sealed
Bore d: 25 mm
Outside diameter D: 42 mm
Width B: 9 mm
Minimum corner radius r: 0.3 mm
Basic dynamic load rating Cr: 8.75 kN
Basic static load rating C0r: 4.55 kN
Fatigue load limit Cu: 0.23 kN
Factor f0: 15.4
Published row text: 6905 2RU | 25 | 42 | 9 | 0.3 | 8.75 | 4.55 | 0.23 | 15.4

Verification boundary

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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