Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Face-to-face
  • With pressed cage


Bearing No. 7210DF

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)83.8
Basic load ratings : C0r(kN)62.9
Fatigue load limit : Cu(kN)3.85
factor : f0-
Limiting speeds(Grease lub.)(min-1)5400
Limiting speeds(Oil lub.)(min-1)6800
Load center spread : a(mm)20.7

Mounting dimensions,weight (reference)

db(min.)(mm)54.5 mm
Da(max.)(mm)83 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.6 mm
Mass(Refer.)(kg)0.970 kg
JTEKT

2026/07/21