wholesale V Belt Pulley Groove typeGroove NumberPTaper bush SPZ1.2.3.4.5.650-630mm1108-3535 SPA1.2.3.4.5.650-630mm1108-3535 SPB1.2.3.4.5.6.8.10100-1000mm1610-5050 SPC3.4.5.6.8.10.12212-1250mm2517-5050 聽 V-Belt Pulley For Taper Bush is a part of the disc hub, and the general size is relatively large. The manufacturing process is generally based on casting and forging. Generally, the casting method is used for larger size design, and the material is generally cast iron (good casting performance), and cast steel is rarely used (steel has poor casting performance); usually smaller sizes can be designed for forging. For steel. Pulleys are mainly used for long-distance transmission of power, such as small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, machining equipment, textile machinery, packaging machinery, lathes, forging machinery and some small-horsepower power output motorcycles. Transmission, agricultural machinery power transmission, air compressor, reducer, reducer, generator, gin, etc. 聽 EUROPEAN STANDARD: 1) V-belt pulleys for taper bushings: SPZ, SPA, SPB, SPC; up to 10 grooves 2) Adjustable speed V-belt pulleys and variable speed pulleys 3) Flat belt pulleys and conveyor belt pulleys 聽wholesale V Belt Pulley website:http://www.chaintransmissions.com/belt-pulley/v-belt-pulley/