... ,magnetic,snub 2.offer solutions on technology,drawing,samples types of pulleys drawing Introduction to our company YSFC Conveyor Pulley ... , Herringbone Grooved Lagging, Diamond,ceramic coated,plain grooving,chromeplated and anti magnetic so onCategoryLight Duty: Bearing Aperture: 80~100mm. ... out.Medium duty:Bearing Aperture: 120~180mm.The axle and the hub are connected by the ring lock.Heavy duty ...