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


Bearing No. K49X65X38H

Specification data (main dimensions, etc.)

Fw(mm)49
Ew(mm)65
Bc(mm)38
Basic load ratings : Cr(kN)100
Basic load ratings : C0r(kN)142
Fatigue load limit : Cu(kN)22.7
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)6100
Limiting speeds(Oil lub.)(min-1)9300

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)49.000 mm
Recommended dimensions - Shaft : S(min.)(mm)48.989 mm
Recommended dimensions - Housing : H(max.)(mm)65.029 mm
Recommended dimensions - Housing : H(min.)(mm)65.010 mm
Mass(Refer.)(kg)0.244 kg
JTEKT

2026/07/18