Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K12X18X12H

Specifications
(Boundary dimensions ...etc)

Fw(mm)12
Ew(mm)18
Bc(mm)12
Basic load ratings : Cr(kN)9.76
Basic load ratings : C0r(kN)9.40
Fatigue load limit : Cu(kN)1.40
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)14000
Limiting speeds(Oil lub.)(min-1)22000

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)12.000
Recommended dimensions - Shaft : S(min.)(mm)11.992
Recommended dimensions - Housing : H(max.)(mm)18.017
Recommended dimensions - Housing : H(min.)(mm)18.006

Refer.

(Refer.)Mass(kg) 0.009
JTEKT

2025/06/03