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Bearing 744R/742 (KOYO)
Tapered roller bearings 744R/742
Bearing number : 744R/742
Size (mm) : 73.025x150.089x44.45
Brand : KOYO
Bore Diameter (mm) : 73,025
Outer Diameter (mm) : 150,089
Width (mm) : 44,45
Bearing dimensions and specification in KOYO catalogue:
d - 73,025 mm
D - 150,089 mm
T - 44,45 mm
B - 46,672 mm
C - 36,512 mm
a - 32,4 mm
r min. - 3,6 mm
r2 min. - 3,2 mm
da min. - 91 mm
Da - 134 mm
db min - 85 mm
ra max. - 3,6 mm
rb max. - 3,2 mm
Db - 142 mm
Weight - 3,73 Kg
Basic dynamic load rating (C) - 264 kN
Basic static load rating (C0) - 368 kN
(Grease) Lubrication Speed - 2500 r/min
(Oil) Lubrication Speed - 3400 r/min
Calculation factor (e) - 0,33
Calculation factor (Y0) - 1,01
Calculation factor (Y1) - 1,84
Tags : KOYO , 73.025x150.089x44.45
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