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


Bearing No. 3318

Specification data (main dimensions, etc.)

d(mm)90
D(mm)190
B(mm)73
r(min.)(mm)3
Basic load ratings : Cr(kN)256
Basic load ratings : C0r(kN)242
Fatigue load limit : Cu(kN)10.6
Limiting speeds(Grease lub.)(min-1)2100
Limiting speeds(Oil lub.)(min-1)2800
Load center spread : a(mm)125.5

Mounting dimensions,weight (reference)

da(min.)(mm)104 mm
da(max.)(mm)- mm
Da(max.)(mm)176 mm
ra(max.)(mm)2.5 mm
Mass(Refer.)(kg)9.23 kg
JTEKT

2026/08/05