Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Double-row
  • Open


Bearing No. 3308

Specification data (main dimensions, etc.)

d(mm)40
D(mm)90
B(mm)36.5
r(min.)(mm)1.5
Basic load ratings : Cr(kN)67.6
Basic load ratings : C0r(kN)53.8
Fatigue load limit : Cu(kN)2.80
Limiting speeds(Grease lub.)(min-1)4600
Limiting speeds(Oil lub.)(min-1)6100
Load center spread : a(mm)58.9

Mounting dimensions,weight (reference)

da(min.)(mm)49 mm
da(max.)(mm)- mm
Da(max.)(mm)81.5 mm
ra(max.)(mm)1.5 mm
Mass(Refer.)(kg)1.07 kg
JTEKT

2026/06/30