T-slotted aluminum unibearing assembly made for the 15 series. Measures 2.51" tall x 4.75" wide x 6" long. Rides on the 1.5" side of a 15 Series extrusion. Inlcudes pads, screws, and shims. Pads are made out of self-lubricating UHMW material.

The long – double mount UniBearing assembly is commonly used for linear motion applications and is comprised of a long double mount UniBearing that is attached to a T-slot profile. There are pre-tapped holes in the profile ends as well as in the housing unit for connecting accessories. Shim kits are included.