Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Radial needle roller and cage assemblies
  • Metric series
  • K,K.ZW


Bearing No. K47X55X28FV1

Specification data (main 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/SS
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)9200

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)47.000 mm
Recommended dimensions - Shaft : S(min.)(mm)46.989 mm
Recommended dimensions - Housing : H(max.)(mm)55.029 mm
Recommended dimensions - Housing : H(min.)(mm)55.010 mm
Mass(Refer.)(kg)0.092 kg
JTEKT

2026/07/05