Description:Roller group for the scraper floor and ejector on certain Wheel Tractor Scraper models. The roller assembly contains a lip seal that prevents contamination from entering the bearing assembly. The bearing assembly contains helical grooves in order to promote the flow of grease within the roller assembly, and a hardened steel bearing shaft provides a durable wear surface.Attributes:• Grease lubricated roller group with bearing, seal, roller and retaining ring• Shaft Thread Size: 1-1/2-12Application:Consult your owner's manual or contact your local Cat Dealer for more information.