Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Back-to-back
  • With machined cage


Bearing No. 7009BDB FY

Specification data (main dimensions, etc.)

d(mm)45
D(mm)75
B(mm)32
r(min.)(mm)1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)40.6
Basic load ratings : C0r(kN)32.0
Fatigue load limit : Cu(kN)1.75
factor : f0-
Limiting speeds(Grease lub.)(min-1)6000
Limiting speeds(Oil lub.)(min-1)8000
Load center spread : a(mm)66.3

Mounting dimensions,weight (reference)

da(min.)(mm)50.5 mm
Db(max.)(mm)70.5 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.520 kg
JTEKT

2026/07/19