UtiliTrak® SW series wheel plate assemblies are compact linear guide bearing blocks with pre-installed steel guide wheels and molded track wiping lubricators. Compact design with 4 each 90º guide wheels including 2 fixed location concentric wheels, and 2 adjustable location eccentric wheel for field adjustable fit-up to linear guide track. Precision ground carbon steel wheels with shields are ideal for general purpose applications with large debris contamination and heavy loads. Internally lubricated with general purpose grease. Provides smooth and quiet operation.