Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Single-row
  • With machined cage


Bearing No. 7911C FY

Specification data (main dimensions, etc.)

d(mm)55
D(mm)80
B(mm)13
r(min.)(mm)1
r1(min.)(mm)0.6
Basic load ratings : Cr(kN)24.6
Basic load ratings : C0r(kN)18.5
Fatigue load limit : Cu(kN)0.980
factor : f016.3
Limiting speeds(Grease lub.)(min-1)13000
Limiting speeds(Oil lub.)(min-1)17000
Load center spread : a(mm)15.5

Mounting dimensions,weight (reference)

da(min.)(mm)60.5 mm
Da(max.)(mm)74.5 mm
ra(max.)(mm)1 mm
Mass(Refer.)(kg)0.178 kg
JTEKT

2026/06/27