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Bearing 344A/332 (KOYO)
Tapered roller bearings 344A/332
Bearing number : 344A/332
Size (mm) : 40x80x21
Brand : KOYO
Bore Diameter (mm) : 40
Outer Diameter (mm) : 80
Width (mm) : 21
Bearing dimensions and specification in KOYO catalogue:
d - 40 mm
D - 80 mm
T - 21 mm
B - 22,403 mm
C - 17,826 mm
a - 15,1 mm
r min. - 0,8 mm
r2 min. - 1,2 mm
da min. - 46 mm
Da - 73 mm
db min - 45,5 mm
ra max. - 0,8 mm
rb max. - 1,2 mm
Db - 75 mm
Weight - 0,478 Kg
Basic dynamic load rating (C) - 68 kN
Basic static load rating (C0) - 74,8 kN
(Grease) Lubrication Speed - 4900 r/min
(Oil) Lubrication Speed - 6600 r/min
Calculation factor (e) - 0,27
Calculation factor (Y0) - 1,21
Calculation factor (Y1) - 2,2
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