rad mirror for sale, brand-new and used.

The UMR8.51 Precision Double-Row Ball Bearing Linear Stage features steel construction for high stability and rigidity. The ball bearings and precision-ground bearing surfaces provide exceptional linear travel, with angular deviation better than 100-200 µrad. UMR8 Series Stages have double-row ball bearings making them an excellent choice for carrying high loads up to 202 lb.