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


Bearing No. K4X7X7TN

Specification data (main dimensions, etc.)

Fw(mm)4
Ew(mm)7
Bc(mm)7
Basic load ratings : Cr(kN)1.83
Basic load ratings : C0r(kN)1.32
Fatigue load limit : Cu(kN)0.200
Cage material P/SP
Limiting speeds(Grease lub.)(min-1)34000
Limiting speeds(Oil lub.)(min-1)52000

Mounting dimensions,weight (reference)

Recommended dimensions - Shaft : S(max.)(mm)4.000 mm
Recommended dimensions - Shaft : S(min.)(mm)3.995 mm
Recommended dimensions - Housing : H(max.)(mm)7.014 mm
Recommended dimensions - Housing : H(min.)(mm)7.005 mm
Mass(Refer.)(kg)0.0005 kg
JTEKT

2026/07/07