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


Bearing No. K70X78X46ZW

Specification data (main dimensions, etc.)

Fw(mm)70
Ew(mm)78
Bc(mm)46
Basic load ratings : Cr(kN)78.4
Basic load ratings : C0r(kN)187.0
Fatigue load limit : Cu(kN)29.5
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)6000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)70.000 mm
Recommended dimensions - Shaft : S(min.)(mm)69.987 mm
Recommended dimensions - Housing : H(max.)(mm)78.029 mm
Recommended dimensions - Housing : H(min.)(mm)78.010 mm
Mass(Refer.)(kg)0.188 kg
JTEKT

2026/07/01