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


Bearing No. BK3038

Specification data (main dimensions, etc.)

Fw(mm)30
D(mm)37
C(mm)38
C3(min.)(mm)35.3
r(min.)(mm)1
Basic load ratings : Cr(kN)38.4
Basic load ratings : C0r(kN)79.2
Fatigue load limit : Cu(kN)12.5
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)11000
Mounting inner ringJR25x30x38,5

Mounting dimensions,weight (reference)

Mass(Refer.)(kg)0.093 kg
JTEKT

2026/07/04