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


Bearing No. 5309 2RS

Specification data (main dimensions, etc.)

d(mm)45
D(mm)100
B(mm)39.7
r(min.)(mm)1.5
Basic load ratings : Cr(kN)86.1
Basic load ratings : C0r(kN)51.4
Fatigue load limit : Cu(kN)2.65
Limiting speeds(Grease lub.)(min-1)4100
Limiting speeds(Oil lub.)(min-1)5500
Load center spread : a(mm)51.0

Mounting dimensions,weight (reference)

da(min.)(mm)54 mm
da(max.)(mm)58.2 mm
Da(max.)(mm)91.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.42 kg
JTEKT

2026/07/02