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

Bearing No. 7311B

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)98.4
Basic load ratings : C0r(kN)56.7
Fatigue load limit : Cu(kN)3.70
factor : f0()-
Limiting speeds(Grease lub.)(min-1)4000
Limiting speeds(Oil lub.)(min-1)5300
Load center spread : a(mm)51.8

Mounting dimensions

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

Refer.

(Refer.)Mass(kg) 1.45
JTEKT

2025/11/03