Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K25X30X18

Specifications
(Boundary dimensions ...etc)

Fw(mm)25
Ew(mm)30
Bc(mm)18
Basic load ratings : Cr(kN)20.6
Basic load ratings : C0r(kN)33.4
Fatigue load limit : Cu(kN)5.30
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)11000
Limiting speeds(Oil lub.)(min-1)17000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)25.000
Recommended dimensions - Shaft : S(min.)(mm)24.991
Recommended dimensions - Housing : H(max.)(mm)30.020
Recommended dimensions - Housing : H(min.)(mm)30.007

Refer.

(Refer.)Mass(kg) 0.017
JTEKT

2025/06/01