Koyo
FOR REFERENCE ONLY
  • Angular contact ball bearings
  • Double-row
  • Sealed 2RS
>

Bearing No. 5211 2RS

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)100
B(mm)33.3
r(min.)(mm)1.5
Basic load ratings : Cr(kN)66.1
Basic load ratings : C0r(kN)44.7
Fatigue load limit : Cu(kN)2.30
Limiting speeds(Grease lub.)(min-1)3800
Limiting speeds(Oil lub.)(min-1)5100
Load center spread : a(mm)50.2

Mounting dimensions

da(min.)(mm)64
da(max.)(mm)66.2
Da(max.)(mm)91.5
ra(max.)(mm)1.5

Refer.

(Refer.)Mass(kg) 0.960
JTEKT

2025/05/29