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


Bearing No. K45X52X18H

Specification data (main dimensions, etc.)

Fw(mm)45
Ew(mm)52
Bc(mm)18
Basic load ratings : Cr(kN)30.1
Basic load ratings : C0r(kN)52.0
Fatigue load limit : Cu(kN)8.25
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)6200
Limiting speeds(Oil lub.)(min-1)9500

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)45.000 mm
Recommended dimensions - Shaft : S(min.)(mm)44.989 mm
Recommended dimensions - Housing : H(max.)(mm)52.029 mm
Recommended dimensions - Housing : H(min.)(mm)52.010 mm
Mass(Refer.)(kg)0.045 kg
JTEKT

2026/07/19