... class according to customer requirements. size table Trapezoid type timing belt Round isolated teeth type timing belt picture1picture2 TypePitch(pb)bwhgØ+1.5°rbrt2§MXL2 ... 1.5M, Max. Diameter: 150mm. Types:1. Metric T-Series Timing Pulleys :T2.5,T5,T10,T20,AT5,AT10,AT202. ... ability oil resistant to moisture, already fuel-efficient and won't produce pollution, especially for food, paper making, textile, ...