D&D Global 370L19 Micro-V Belt - PL Section, 37in 8M Section What does the S8M in

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D&D Global 370L19 Micro-V Belt - PL Section, 37in 8M Section What does the S8M inThe D&D Global 370L19 is a standard V belt, manufactured by D&D Global. This belt features a smooth sided design for general purpose industrial power transmission. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section L Sub Type Standard Width 1739. 0mm Length 37 in Material Neoprene Reinforcement Polyester Cord Color Black Temperature Range 30F to