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


Bearing No. 7248DB FY

Specification data (main dimensions, etc.)

d(mm)240
D(mm)440
B(mm)144
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)819
Basic load ratings : C0r(kN)1190
Fatigue load limit : Cu(kN)33.4
factor : f0-
Limiting speeds(Grease lub.)(min-1)1200
Limiting speeds(Oil lub.)(min-1)1500
Load center spread : a(mm)268.3

Mounting dimensions,weight (reference)

da(min.)(mm)258 mm
Db(max.)(mm)431.5 mm
ra(max.)(mm)3 mm
rb(max.)(mm)1.5 mm
Mass(Refer.)(kg)104 kg
JTEKT

2026/07/29