Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
>

Bearing No. 6209NR

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
B(mm)19
r(min.)(mm)1.1
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)40.9
Basic load ratings : C0r(kN)20.3
Fatigue load limit : Cu(kN)1.40
factor : f0()14.0
Limiting speeds(Grease lub.)(min-1)7700
Limiting speeds(Oil lub.)(min-1)9200
Dimensions of snap ring groove : D1(max.)(mm)
Dimensions of snap ring groove : a(max.)(mm)
Dimensions of snap ring groove : b(±0.05)(mm)
Dimensions of snap ring groove : r0(max.)(mm)
Dimensions of locating snap ring : D2(min.)(mm)91.6
Dimensions of locating snap ring : f(±0.05)(mm)1.65

Mounting dimensions

da(min.)(mm)51.5
Da(max.)(mm)78.5
Dx(min.)(mm)93
Cy(max.)(mm)4.67
ra(max.)(mm)1
rb(max.)(mm)0.5

Refer.

(Refer.)Mass(kg) 0.407
JTEKT

2025/05/10