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


Bearing No. K33X51X23H

Specification data (main dimensions, etc.)

Fw(mm)33
Ew(mm)51
Bc(mm)23
Basic load ratings : Cr(kN)55.9
Basic load ratings : C0r(kN)57.6
Fatigue load limit : Cu(kN)9.35
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)9600
Limiting speeds(Oil lub.)(min-1)15000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)33.000 mm
Recommended dimensions - Shaft : S(min.)(mm)32.989 mm
Recommended dimensions - Housing : H(max.)(mm)51.029 mm
Recommended dimensions - Housing : H(min.)(mm)51.010 mm
Mass(Refer.)(kg)0.140 kg
JTEKT

2026/07/07