Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With machined cage


Bearing No. 7248B FY

Specification data (main dimensions, etc.)

d(mm)240
D(mm)440
B(mm)72
r(min.)(mm)4
r1(min.)(mm)1.5
Basic load ratings : Cr(kN)453
Basic load ratings : C0r(kN)539
Fatigue load limit : Cu(kN)15.1
factor : f0-
Limiting speeds(Grease lub.)(min-1)1100
Limiting speeds(Oil lub.)(min-1)1500
Load center spread : a(mm)178.6

Mounting dimensions,weight (reference)

da(min.)(mm)258 mm
Da(max.)(mm)422 mm
ra(max.)(mm)3 mm
Mass(Refer.)(kg)52.8 kg
JTEKT

2026/07/04