Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Double-row
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Bearing No. 3221

Specifications
(Boundary dimensions ...etc)

d(mm)105
D(mm)190
B(mm)65.1
r(min.)(mm)2.1
Basic load ratings : Cr(kN)227
Basic load ratings : C0r(kN)237
Fatigue load limit : Cu(kN)11.5
Limiting speeds(Grease lub.)(min-1)2000
Limiting speeds(Oil lub.)(min-1)2600
Load center spread : a(mm)124.2

Mounting dimensions

da(min.)(mm)117
da(max.)(mm)-
Da(max.)(mm)178
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 7.37
JTEKT

2025/06/16