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


Bearing No. K17X21X17H

Specification data (main dimensions, etc.)

Fw(mm)17
Ew(mm)21
Bc(mm)17
Basic load ratings : Cr(kN)13.4
Basic load ratings : C0r(kN)19.8
Fatigue load limit : Cu(kN)3.05
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)17000
Limiting speeds(Oil lub.)(min-1)26000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)17.000 mm
Recommended dimensions - Shaft : S(min.)(mm)16.992 mm
Recommended dimensions - Housing : H(max.)(mm)21.020 mm
Recommended dimensions - Housing : H(min.)(mm)21.007 mm
Mass(Refer.)(kg)0.011 kg
JTEKT

2026/07/07