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


Bearing No. 7228BDT FY

Specification data (main dimensions, etc.)

d(mm)140
D(mm)250
B(mm)84
r(min.)(mm)3
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)401
Basic load ratings : C0r(kN)426
Fatigue load limit : Cu(kN)15.7
factor : f0-
Limiting speeds(Grease lub.)(min-1)1700
Limiting speeds(Oil lub.)(min-1)2300

Mounting dimensions,weight (reference)

da(min.)(mm)154 mm
db(min.)(mm)- mm
Da(max.)(mm)236 mm
db(max.)(mm)243 mm
ra(max.)(mm)2.5 mm
Mass(Refer.)(kg)15.5 kg
JTEKT

2026/08/03