Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Tandem
  • With pressed cage


Bearing No. 7309DT

Specification data (main dimensions, etc.)

d(mm)45
D(mm)100
B(mm)50
r(min.)(mm)1.5
r1(min.)(mm)1
Basic load ratings : Cr(kN)119
Basic load ratings : C0r(kN)80.9
Fatigue load limit : Cu(kN)5.60
factor : f0-
Limiting speeds(Grease lub.)(min-1)5200
Limiting speeds(Oil lub.)(min-1)6500

Mounting dimensions,weight (reference)

da(min.)(mm)53.5 mm
db(min.)(mm)50.5 mm
Da(max.)(mm)91.5 mm
db(max.)(mm)94.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.75 kg
JTEKT

2026/07/02