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Bearing 7405 (KOYO)
Angular contact ball bearings 7405
Bearing number : 7405
Size (mm) : 25x80x21
Brand : KOYO
Bore Diameter (mm) : 25
Outer Diameter (mm) : 80
Width (mm) : 21
Bearing dimensions and specification in KOYO catalogue:
d - 25 mm
D - 80 mm
B - 21 mm
C - 21 mm
Angle (α) - 30 °
a - 26.4 mm
r min. - 1.5 mm
r1 min. - 1 mm
da min. - 33.5 mm
Da max. - 71.5 mm
ra max. - 1.5 mm
Weight - 0.527 Kg
(Grease) Lubrication Speed - 8 200 r/min
(Oil) Lubrication Speed - 11 000 r/min
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