Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Shielded/sealed type
  • Extremely light contact sealed
>

Bearing No. 6811 2RD

Specifications
(Boundary dimensions ...etc)

d(mm)55
D(mm)72
B(mm)9
r(min.)(mm)0.3
Basic load ratings : Cr(kN)11.0
Basic load ratings : C0r(kN)8.10
Fatigue load limit : Cu(kN)0.420
factor : f0()16.2
Limiting speeds(Grease lub.)(min-1)7800
Limiting speeds(Oil lub.)(min-1)

Mounting dimensions

da(min.)(mm)57
da(max.)(mm)58.5
Da(max.)(mm)70
ra(max.)(mm)0.3

Refer.

(Refer.)Mass(kg) 0.083
JTEKT

2025/05/10