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

Bearing No. 7311

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)120
B(mm)29
r(min.)(mm)2
r1(min.)(mm)1
Basic load ratings : Cr(kN)107
Basic load ratings : C0r(kN)61.7
Fatigue load limit : Cu(kN)4.30
factor : f0()-
Limiting speeds(Grease lub.)(min-1)5300
Limiting speeds(Oil lub.)(min-1)6700
Load center spread : a(mm)40.2

Mounting dimensions

da(min.)(mm)65
Da(max.)(mm)110
ra(max.)(mm)2

Refer.

(Refer.)Mass(kg) 1.45
JTEKT

2025/05/25