Product Catalog Cut

For lead-lined doors to x-ray rooms and other exceptionally heavy doors. Made of double weight steel capable of carrying doors weighing up to 800 lbs. (363 Kg) (Based on a 3' x 7' door with 3 hinges). Each of the 2 concealed hardened steel races contains sixteen 1/8" (3.2 mm) hardened and ground steel balls which are assembled within a jacket. Concealed bearings are well lubricated insuring smooth, long lasting operation. Rolled knuckles are welded and machined. Typically made not swaged, no holes (application A) for full surface applications