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


Bearing No. K73X79X20

Specification data (main dimensions, etc.)

Fw(mm)73
Ew(mm)79
Bc(mm)20
Basic load ratings : Cr(kN)37.0
Basic load ratings : C0r(kN)88.7
Fatigue load limit : Cu(kN)14.1
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)3700
Limiting speeds(Oil lub.)(min-1)5700

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)73.000 mm
Recommended dimensions - Shaft : S(min.)(mm)72.987 mm
Recommended dimensions - Housing : H(max.)(mm)79.029 mm
Recommended dimensions - Housing : H(min.)(mm)79.010 mm
Mass(Refer.)(kg)0.068 kg
JTEKT

2026/07/12