Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Double-row
  • Sealed 2RS


Bearing No. 5209 2RS

Specification data (main dimensions, etc.)

d(mm)45
D(mm)85
B(mm)30.2
r(min.)(mm)1.1
Basic load ratings : Cr(kN)52.1
Basic load ratings : C0r(kN)33.9
Fatigue load limit : Cu(kN)1.75
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)42.2

Mounting dimensions,weight (reference)

da(min.)(mm)52 mm
da(max.)(mm)55.3 mm
Da(max.)(mm)78 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.620 kg
JTEKT

2026/07/04