... main type ZA, ZB, MR, RU, RS, RPP, ZAS 2.Material:CR,HNBR Detailed Product Description auto rubber timing belts 1 ... main type ZA, ZB, MR, RU, RS, RPP, ZAS 2.Material:CR,HNBR auto rubber timing belts1.Auto timing belt main ... , MR, RU, RS, RPP, ZAS,ZBS, YU, S8M and STD2.Material: CR, HNBR. SectionPitch (mm)Teeth Height (mm)Thickness (mm)ZA9 ...