... 2000 certificate.Plain v-belt: FM(9.5),Z,O,A,B,C,D,E,F,SPZ,SPA,SPB,SPC, 3V, 5V,8V,14X10 ... fiber cords (polyester) that guarantee total power transmission with a very low elongation rate and high resistance to fatigue.Compression ... M)8.510640°A11138B141711C192214D273219E323825Narrow V-belt(Unit:mm) TypeUpper Width(b)Height(h)WedgeangleSPZ9.7840°SPA12.710SPB16.313SPC22183V9.585V1613.58V25.523Hexangular ...