Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Matched pair
  • Tandem
  • With pressed cage


Bearing No. 7311CDT

Specification data (main dimensions, etc.)

d(mm)55
D(mm)120
B(mm)58
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)187
Basic load ratings : C0r(kN)132
Fatigue load limit : Cu(kN)9.85
factor : f013.4
Limiting speeds(Grease lub.)(min-1)5900
Limiting speeds(Oil lub.)(min-1)7800

Mounting dimensions,weight (reference)

da(min.)(mm)65 mm
db(min.)(mm)60.5 mm
Da(max.)(mm)110 mm
db(max.)(mm)114.5 mm
ra(max.)(mm)2 mm
Mass(Refer.)(kg)2.90 kg
JTEKT

2026/07/04