Spherical Plain Bearing, Liner Material No Liner, Bore Diameter 5/16 in, Ball Diameter 0.562 in, Outer Ring Width 0.281 in, Outside Diameter 3/4 in, Outer Ring Material Alloy Steel, Ball Material Alloy Steel, Ball Material Grade 52100, Bore Diameter Tolerance -0.0005/+0.0015 in, Finish Chrome Plated, Flat Diameter 0.419 in, Inner Ring Width 0.375 in, Lubrication Openings Lubrication Hole, Maximum Ball Swivel 12 Degrees , Outside Diameter Tolerance +0.0000/- 0.0007 in, Overall Width 0.375 in