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


Bearing No. K5X8X8TN

Specification data (main dimensions, etc.)

Fw(mm)5
Ew(mm)8
Bc(mm)8
Basic load ratings : Cr(kN)2.18
Basic load ratings : C0r(kN)1.71
Fatigue load limit : Cu(kN)0.260
Cage material P/SP
Limiting speeds(Grease lub.)(min-1)31000
Limiting speeds(Oil lub.)(min-1)47000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)5.000 mm
Recommended dimensions - Shaft : S(min.)(mm)4.995 mm
Recommended dimensions - Housing : H(max.)(mm)8.014 mm
Recommended dimensions - Housing : H(min.)(mm)8.005 mm
Mass(Refer.)(kg)0.0007 kg
JTEKT

2026/07/04