Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K20X28X25H

Specifications
(Boundary dimensions ...etc)

Fw(mm)20
Ew(mm)28
Bc(mm)25
Basic load ratings : Cr(kN)29.7
Basic load ratings : C0r(kN)37.0
Fatigue load limit : Cu(kN)5.80
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)15000
Limiting speeds(Oil lub.)(min-1)23000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)20.000
Recommended dimensions - Shaft : S(min.)(mm)19.991
Recommended dimensions - Housing : H(max.)(mm)28.020
Recommended dimensions - Housing : H(min.)(mm)28.007

Refer.

(Refer.)Mass(kg) 0.036
JTEKT

2025/06/03