The large size crossed roller bearing XR889058 1028.7x1327.15x 114.3mm mainly used for high precision miltary equipment Turrets gun and rada,Large telescopes (radio and optical) vertical lathe machine center and Swiveling cameras and so on. The bearing XR889058 structure:high precision crossed tapered roller bearing Bearing factory items:XR 889058 Bearing old type:xr 889058 Bearing boundary metric size:1028.7x1327.15x 114.3mm Bearings outer diameter metic :1327.15mm Bearing inner diameter metric:1028.7mm Bearing height meric:114.3 mm