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 V-BELT

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.