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

Bearing No. 7409DB

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)120
B(mm)58
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)185
Basic load ratings : C0r(kN)120
Fatigue load limit : Cu(kN)9.30
factor : f0()-
Limiting speeds(Grease lub.)(min-1)3300
Limiting speeds(Oil lub.)(min-1)4800
Load center spread : a(mm)77.2

Mounting dimensions

da(min.)(mm)55
Db(max.)(mm)114.5
ra(max.)(mm)2
rb(max.)(mm)1

Refer.

(Refer.)Mass(kg) 3.10
JTEKT

2025/05/12