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


Bearing No. BK1212

Specification data (main dimensions, etc.)

Fw(mm)12
D(mm)18
C(mm)12
C3(min.)(mm)9.30
r(min.)(mm)1
Basic load ratings : Cr(kN)6.61
Basic load ratings : C0r(kN)7.29
Fatigue load limit : Cu(kN)1.10
Limiting speeds(Grease lub.)(min-1)14000
Limiting speeds(Oil lub.)(min-1)22000
Mounting inner ringJR8x12x12,5

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.012 kg
JTEKT

2026/07/07