... ,SPA,SPB,SPC, 3V, 5V,8V,14X10, 21X14,etc Wrapped V-belt(Unit:mm) TypeWidth(dp)Upper Width(b)Height(h ... )WedgeangleZ(O,M)8.510640°A11138B141711C192214D273219E323825 Narrow V-belt(Unit:mm) TypeUpper Width(b)Height(h)WedgeangleSPZ9.7840 ... :mm) TypeLength of the beltAA1270-457250-180BB2032-635080-250CC2540-16000 v-belt