Material: Fine grain cast-iron, Eccentricity of O/D to bore DIN 111, Surface roughness: Crowned face: RA=3,2. Balance quality grade: ISO 1940, Pulleys from stock are statically balanced to grade G 6,3 and from 355 mm dynamically balanced to grade G 6,3. For Flat belt applications.

Covering sizes of pulley for Z/ SPZ, A/SPA, B/SPB, C/SPC.
Pitch diameter from 50mm to 1250mm.
Single groove to multiple of 12 grooves.
See attached *.pdf files for details.

SPZ 0050X01 TO SPZ 0630X10
SPA 0063X01 TO SPA 0800X10
SPB 0100X01 TO SPB 1250X10
SPC 0200X01 TO SPC 1250X10
3V-2.65″-1G TO 3V-33.5″-10G
5V-7.1″-2G TO 5V-50.00″-10G
8V-12.5″-4G TO 8V-53.0″-10G
D-12″-3G TO D-58″-12G

More grooves and bigger diameter taper-Bushing Pulleys available on request.