Metric V-Belt, Industry Number SPC4750, V-Belt Section SPC, Number of Ribs 1, Outside Length 4750mm, Top Width 22mm, Thickness 18mm, Material Elastomeric Compound w/Flex-Bonded Tensile Cords, Construction Wrapped, Temp. Range -30 Degrees to 140 Degrees F, Resists Oil, Heat, Ozone and Flame.