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


Bearing No. K28X40X30H

Specification data (main dimensions, etc.)

Fw(mm)28
Ew(mm)40
Bc(mm)30
Basic load ratings : Cr(kN)54.3
Basic load ratings : C0r(kN)67.8
Fatigue load limit : Cu(kN)10.7
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)11000
Limiting speeds(Oil lub.)(min-1)17000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)28.000 mm
Recommended dimensions - Shaft : S(min.)(mm)27.991 mm
Recommended dimensions - Housing : H(max.)(mm)40.025 mm
Recommended dimensions - Housing : H(min.)(mm)40.009 mm
Mass(Refer.)(kg)0.100 kg
JTEKT

2026/07/22