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


Bearing No. BK3012

Specification data (main dimensions, etc.)

Fw(mm)30
D(mm)37
C(mm)12
C3(min.)(mm)9.3
r(min.)(mm)1
Basic load ratings : Cr(kN)11.6
Basic load ratings : C0r(kN)16.8
Fatigue load limit : Cu(kN)2.90
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)11000

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.031 kg
JTEKT

2026/07/08