Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Single-row
  • Open type
>

Bearing No. 68/670

Specifications
(Boundary dimensions ...etc)

d(mm)670
D(mm)820
B(mm)69
r(min.)(mm)4
Basic load ratings : Cr(kN)565
Basic load ratings : C0r(kN)908
Fatigue load limit : Cu(kN)17.2
factor : f0()16.0
Limiting speeds(Grease lub.)(min-1)410
Limiting speeds(Oil lub.)(min-1)520

Mounting dimensions

da(min.)(mm)686
Da(max.)(mm)807
ra(max.)(mm)3

Refer.

(Refer.)Mass(kg) 76.9
JTEKT

2025/05/09