Koyo
FOR REFERENCE ONLY
  • Self-aligning ball bearings
  • Open type
>

Bearing No. 1209

Specifications
(Boundary dimensions ...etc)

d(mm)45
D(mm)85
B(mm)19
r(min.)(mm)1.1
Basic load ratings : Cr(kN)27.2
Basic load ratings : C0r(kN)7.35
Fatigue load limit : Cu(kN)0.46
Limiting speeds(Grease lub.)(min-1)7000
Limiting speeds(Oil lub.)(min-1)8500
Constant :e()0.21
Axial load factors : Y1()2.94
Axial load factors : Y2()4.56
Axial load factors : Y0()3.09

Mounting dimensions

da(min.)(mm)51.5
Da(max.)(mm)78.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.465
JTEKT

2025/05/18