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Bearing 6808NR (NTN)
Deep groove ball bearings 6808NR
Bearing number : 6808NR
Size (mm) : 40x52x7
Brand : NTN
Bore Diameter (mm) : 40
Outer Diameter (mm) : 52
Width (mm) : 7
Bearing dimensions and specification in NTN catalogue:
d - 40 mm
D - 52 mm
B - 7 mm
C - 7 mm
rn - 0,3 mm
a - 1,3 mm
b - 0,95 mm
f - 0,85 mm
r min. - 0,3 mm
r0 max. - 0,25 mm
D1 - 50,7 mm
D2 - 54,8 mm
da min. - 42 mm
da max - 43 mm
Da max. - 50 mm
ra max. - 0,3 mm
Dx - 55,5 mm
Cy - 1,9 mm
Cz - 0,9 mm
rn - 0,3 mm
Weight - 0,033 Kg
Basic dynamic load rating (C) - 5,1 kN
Basic static load rating (C0) - 4,4 kN
(Grease) Lubrication Speed - 12 000 r/min
(Oil) Lubrication Speed - 14 000 r/min
Calculation factor (f0) - 16,3
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