Industrial Timing Belt Belt Material Neoprene Belt Series L Industry Number 390L100 Number of Teeth 104 Pitch 0.375 in Pitch Length 39 in Tooth Location One Side Top Width 1 in Belt Coating Nylon Belt Trade Size L Color Black Length Type Closed Loop Maximum Operating Temperature 194 Degrees F Minimum Operating Temperature -22 Degrees F Outside Length 39 in Reinforcing Cord Material Fiberglass Resistance Properties Heat Resistant Oil Resistant Standards ARPM