Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type
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Bearing No. 6811

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)8700
Limiting speeds(Oil lub.)(min-1)10000

Mounting dimensions

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

Refer.

(Refer.)Mass(kg) 0.083
JTEKT

2025/05/10