Koyo
FOR REFERENCE ONLY
  • Deep groove ball bearings
  • Double-row
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Bearing No. 4208

Specifications
(Boundary dimensions ...etc)

d(mm)40
D(mm)80
B(mm)23
r(min.)(mm)1.1
Basic load ratings : Cr(kN)42.2
Basic load ratings : C0r(kN)42.4
Fatigue load limit : Cu(kN)2.50
factor : f0()15.5
Limiting speeds(Grease lub.)(min-1)4700
Limiting speeds(Oil lub.)(min-1)6300

Mounting dimensions

Da(max.)(mm)73.5
ra(max.)(mm)1

Refer.

(Refer.)Mass(kg) 0.558
JTEKT

2025/05/22