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


Bearing No. 7210CDB FY

Specification data (main dimensions, etc.)

d(mm)50
D(mm)90
B(mm)40
r(min.)(mm)1.1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)86.9
Basic load ratings : C0r(kN)63.6
Fatigue load limit : Cu(kN)4.10
factor : f014.6
Limiting speeds(Grease lub.)(min-1)9400
Limiting speeds(Oil lub.)(min-1)12000
Load center spread : a(mm)38.9

Mounting dimensions,weight (reference)

da(min.)(mm)57 mm
Db(max.)(mm)85.5 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.970 kg
JTEKT

2026/07/01