Industrial replacement referenceSource-backed records · No compatibility guesswork

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

6208 2RU

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

Bore d40 mmOutside diameter D80 mmWidth B18 mmDynamic rating Cr36.4 kNKoyo calculation tool ↗

Live manufacturer specification row

Published specifications

JTEKT/Koyo
Designation
6208 2RU
Classification
Non-contact sealed
Bore d
40 mm
Outside diameter D
80 mm
Width B
18 mm
Minimum corner radius r
1.1 mm
Basic dynamic load rating Cr
36.4 kN
Basic static load rating C0r
17.8 kN
Fatigue load limit Cu
1.25 kN
Factor f0
14
Published row text
6208 2RU | 40 | 80 | 18 | 1.1 | 36.4 | 17.8 | 1.25 | 14
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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