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


Bearing No. 7321CDB FY

Specification data (main dimensions, etc.)

d(mm)105
D(mm)225
B(mm)98
r(min.)(mm)3
r1(min.)(mm)1.1
Basic load ratings : Cr(kN)452
Basic load ratings : C0r(kN)413
Fatigue load limit : Cu(kN)16.6
factor : f013.4
Limiting speeds(Grease lub.)(min-1)3900
Limiting speeds(Oil lub.)(min-1)5100
Load center spread : a(mm)93.2

Mounting dimensions,weight (reference)

da(min.)(mm)119 mm
Db(max.)(mm)218 mm
ra(max.)(mm)2.5 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)17.2 kg
JTEKT

2026/07/30