Meridian Laboratory ML6 precision polyurethane coated bearings are extremely precise and durable. Designed with heavy duty and higher speed ratings in mind, they are non-marking and have a guaranteed T.I.R. of less than 0.0015”. For light duty applications with moderate to low speeds, see our complete line of ML6 polyurethane idler rollers. ML6 Polyurethane has over 55 years of heavy industrial performance in packaging, processing, and manufacting applications. Whatever your application, our precision casting process will deliver superior results and performance. If you don't see the size and product configuration you need, don't hesitate to contact us, we excel at developing unique parts and components on rapid turnaround, often as little as a week.