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Bearing number : 2580/2520
Size (mm) : 66,421x31.75x25,4
Brand : KOYO
Bore Diameter (mm) : 66,421
Outer Diameter (mm) : 31.75
Width (mm) : 25,4
d - 31.75 mm
D - 66,421 mm
T - 25,4 mm
B - 25,357 mm
C - 20,638 mm
a - 16 mm
r min. - 0,8 mm
r2 min. - 3,2 mm
da min. - 38,5 mm
Da - 57 mm
db min - 37,5 mm
ra max. - 0,8 mm
rb max. - 3,2 mm
Db - 62,5 mm
Weight - 0,404 Kg
Basic dynamic load rating (C) - 71,4 kN
Basic static load rating (C0) - 85,1 kN
(Grease) Lubrication Speed - 6000 r/min
(Oil) Lubrication Speed - 8000 r/min
Calculation factor (e) - 0,27
Calculation factor (Y0) - 1,21
Calculation factor (Y1) - 2,19
Tags : KOYO , 66,421x31.75x25,4