Uses high-quality materials for easier maintenance and longer unit lifeBuilds upon the standard crowned roller designFeatures the Martin® Roller Tracker™ with unique ribbed lagging made of durable polyurethaneIncreases performance and wear lifeThe roller does not come in contact with the belt edge, preventing frayingEnsures excellent tracking for single-direction or reversing beltsResults in more centered cargo loading and less spillageEnhances safety from belt wander hazardsLeads to higher productivity and lower operational costsSuitable for lower tension belts from 500-1500 mm (20-60 in.) in widthOperates at speeds up to 5 m/s (984 fpm)Crowned roller trackers have a slightly larger diameter at the center than at the edgesRealignment is based on the principle of the belt contacting the raised portion of the roller first (the crown) 
