Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW
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Bearing No. K47X55X28FV1

Specifications
(Boundary dimensions ...etc)

Fw(mm)47
Ew(mm)55
Bc(mm)28
Basic load ratings : Cr(kN)48.9
Basic load ratings : C0r(kN)89.5
Fatigue load limit : Cu(kN)14.0
Cage material P/S()S
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)9200

Mounting dimensions

Recommended dimensions - Shaft : S(max.)(mm)47.000
Recommended dimensions - Shaft : S(min.)(mm)46.989
Recommended dimensions - Housing : H(max.)(mm)55.029
Recommended dimensions - Housing : H(min.)(mm)55.010

Refer.

(Refer.)Mass(kg) 0.092
JTEKT

2025/06/01