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


Bearing No. 7303DT

Specification data (main dimensions, etc.)

d(mm)17
D(mm)47
B(mm)28
r(min.)(mm)1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)32.5
Basic load ratings : C0r(kN)17.5
Fatigue load limit : Cu(kN)1.30
factor : f0-
Limiting speeds(Grease lub.)(min-1)12000
Limiting speeds(Oil lub.)(min-1)14000

Mounting dimensions,weight (reference)

da(min.)(mm)22.5 mm
db(min.)(mm)21.5 mm
Da(max.)(mm)41.5 mm
db(max.)(mm)42.5 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.240 kg
JTEKT

2026/07/04