Spherical Plain Bearing Liner Material No Liner Bore Diameter 3 in Ball Diameter 4.311 in Outer Ring Width 2.25 in Outside Diameter 4 3/4 in Outer Ring Material Alloy Steel Ball Material Alloy Steel Ball Material Grade 52100 Bore Diameter Tolerance -0.0006/+0.0000 in Closure Open Finish Protective Coating Inner Ring Width 2.625 in Lubrication Openings Lubrication Hole Maximum Ball Swivel 6 Degrees Outside Diameter Tolerance +0.0000/- 0.0005 in Overall Width 2.625 in