Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K55X60X27H

Specifications
(Boundary dimensions ...etc)

Fw(mm)55
Ew(mm)60
Bc(mm)27
Basic load ratings : Cr(kN)40.1
Basic load ratings : C0r(kN)102
Fatigue load limit : Cu(kN)15.7
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)4900
Limiting speeds(Oil lub.)(min-1)7600

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)55.000
Recommended dimensions - Shaft : S(min.)(mm)54.987
Recommended dimensions - Housing : H(max.)(mm)60.029
Recommended dimensions - Housing : H(min.)(mm)60.010

Refer.

(Refer.)Mass(kg) 0.055
JTEKT

2025/06/01