This yellow polyurethane guide roller with steel centre is 40mm in diameter and has an 10mm ball bearing. Produced to a high standard and are suitable for many applications, specifically to maintain a linear motion. These guide rollers are ideal for use as conveyors, lifts, escalators, and baggage handling systems. Fitted with a 6000-ZZ bearing. Yellow Polyurethane Guide Roller 40mm Diameter 10mm Ball Bearing