FAG Four-Bolt Flanged Housing units, Square Design Adapter Sleeve, RSR seals, It is used to balance static angular misalignment of the shaft, because of the spherical outside surface of the bearing outer ring and spherical housing bore. They are screw mounted on adjacent construction. Cast iron in accordance with JIS G 5501 is the material used for flake graphite cast iron housings,  Specifications: Outer Diameter-mm, Inner Diameter-25mm, Width-31mm, Material-Flake Graphite Cast Iron, Warranty- As Per Manufacturer's Warranty Policy, (Pack Of 1)