Tapered bore v pulleys for belt A (SPA)

 

Alt Text
Tapered Bore Pulleys for belt A (SPA) are the most movable pulleys of the entire range of pulleys. This is because they combine good value and have the largest space on the power-to-drive diagram than their average apps. Tapered bore have the property of accepting the corresponding sleeve so as to fit the desired diameter of the axis to be positioned (including a bushing keyway). Their construction material is cast iron GG25 and is available in the following Nominal Diameters:

SPA-1 (Simplex)
Dimensions :
From 63mm
To 450mm

SPA-3 (Triplex)
Dimensions :
From 71mm
To 450mm

SPA-5 (5 Groove)
Dimensions :
From 90mm
To 400mm

SPA-2 (Duplex)
Dimensions :
From 63mm
To 450mm

SPA-4 (4 Groove)
Dimensions :
Από 80mm
To 400mm