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


Bearing No. K15X21X21H

Specification data (main dimensions, etc.)

Fw(mm)15
Ew(mm)21
Bc(mm)21
Basic load ratings : Cr(kN)18.0
Basic load ratings : C0r(kN)21.7
Fatigue load limit : Cu(kN)3.40
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)14000
Limiting speeds(Oil lub.)(min-1)21000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)15.000 mm
Recommended dimensions - Shaft : S(min.)(mm)14.992 mm
Recommended dimensions - Housing : H(max.)(mm)21.020 mm
Recommended dimensions - Housing : H(min.)(mm)21.007 mm
Mass(Refer.)(kg)0.018 kg
JTEKT

2026/07/19