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


Bearing No. 7021CDB FY

Specification data (main dimensions, etc.)

d(mm)105
D(mm)160
B(mm)52
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)178
Basic load ratings : C0r(kN)179
Fatigue load limit : Cu(kN)8.60
factor : f015.9
Limiting speeds(Grease lub.)(min-1)4800
Limiting speeds(Oil lub.)(min-1)6400
Load center spread : a(mm)62.0

Mounting dimensions,weight (reference)

da(min.)(mm)115 mm
Db(max.)(mm)154.5 mm
ra(max.)(mm)2 mm
rb(max.)(mm)1 mm
Mass(Refer.)(kg)3.46 kg
JTEKT

2026/08/04