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


Bearing No. 6208NR

Specification data (main dimensions, etc.)

d(mm)40
D(mm)80
B(mm)18
r(min.)(mm)1.1
r1(min.)(mm)0.5
Basic load ratings : Cr(kN)36.4
Basic load ratings : C0r(kN)17.8
Fatigue load limit : Cu(kN)1.25
factor : f014.0
Limiting speeds(Grease lub.)(min-1)8300
Limiting speeds(Oil lub.)(min-1)10000
Dimensions of locating snap ring : D2(min.)(mm)86.6
Dimensions of locating snap ring : f(±0.05)(mm)1.65

Mounting dimensions,weight (reference)

da(min.)(mm)46.5 mm
Da(max.)(mm)73.5 mm
Dx(min.)(mm)88 mm
Cy(max.)(mm)4.67 mm
ra(max.)(mm)1 mm
rb(max.)(mm)0.5 mm
Mass(Refer.)(kg)0.366 kg
JTEKT

2026/07/04