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


Bearing No. K9X12X13FV

Specification data (main dimensions, etc.)

Fw(mm)9
Ew(mm)12
Bc(mm)13
Basic load ratings : Cr(kN)5.57
Basic load ratings : C0r(kN)6.47
Fatigue load limit : Cu(kN)0.980
Cage material P/SS
Limiting speeds(Grease lub.)(min-1)26000
Limiting speeds(Oil lub.)(min-1)40000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)9.000 mm
Recommended dimensions - Shaft : S(min.)(mm)8.994 mm
Recommended dimensions - Housing : H(max.)(mm)12.017 mm
Recommended dimensions - Housing : H(min.)(mm)12.006 mm
Mass(Refer.)(kg)0.003 kg
JTEKT

2026/07/01