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


Bearing No. K72X80X20

Specification data (main dimensions, etc.)

Fw(mm)72
Ew(mm)80
Bc(mm)20
Basic load ratings : Cr(kN)44.4
Basic load ratings : C0r(kN)90.7
Fatigue load limit : Cu(kN)14.5
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)3800
Limiting speeds(Oil lub.)(min-1)5800

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)72.000 mm
Recommended dimensions - Shaft : S(min.)(mm)71.987 mm
Recommended dimensions - Housing : H(max.)(mm)80.029 mm
Recommended dimensions - Housing : H(min.)(mm)80.010 mm
Mass(Refer.)(kg)0.084 kg
JTEKT

2026/07/21