and in over 40 different diameters ranging in size from 5/8″ to 8″. Roller types include straight rollers lacking central responsibility.Roller conveyors are used for the longitudinal transportation of wire mesh boxes such as pallets etc. in steel industries and other manufacturing operations which require heavy-duty conveying equipment. Roller may be set high or low in conveyor frame depending on applications. Will not ship in a continuous length if not in an increment of 5 ft.Stamping Products Conveyor Products. AUTOMOTIVE. OIL AND GAS. HOME APPLIANCE AND ELECTRONICS (1) INDUSTRIAL PRODUCTS. Untitled-4. ROLLERS SET. CONVEYOR ACCESSORIES. EXPANDABLE CONVEYOR ROLLER.Advantages of Crowned Roller Belt Tracking: 1. Works will most belts. Most conveyor belt manufacturers assume some method of roller crowning will be used to aide in belt tracking. Most belts will accept a modest level of crown without adversely effecting belt wear. 2. Can be used with Knife edge idler transfers.Interroll QCA-0042236L001 S/O31768 Roller Conveyor 12" x 86". $24.00. Was: $30.00. $248.47 shipping. 33 sold,