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


Bearing No. K55X61X26H

Specification data (main dimensions, etc.)

Fw(mm)55
Ew(mm)61
Bc(mm)26
Basic load ratings : Cr(kN)44.3
Basic load ratings : C0r(kN)102
Fatigue load limit : Cu(kN)15.9
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)5000
Limiting speeds(Oil lub.)(min-1)7600

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)55.000 mm
Recommended dimensions - Shaft : S(min.)(mm)54.987 mm
Recommended dimensions - Housing : H(max.)(mm)61.029 mm
Recommended dimensions - Housing : H(min.)(mm)61.010 mm
Mass(Refer.)(kg)0.063 kg
JTEKT

2026/07/19