Koyo
FOR REFERENCE ONLY
  • Needle roller bearings
  • Drawn cup needle roller bearings
  • Metric series, caged


Bearing No. HK4512

Specification data (main dimensions, etc.)

Fw(mm)45
D(mm)52
C(mm)12
r(min.)(mm)1
Basic load ratings : Cr(kN)14.1
Basic load ratings : C0r(kN)24.8
Fatigue load limit : Cu(kN)3.75
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)7000

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.036 kg
JTEKT

2026/07/07