Spherical Plain Bearing Liner Material PTFE Bore Diameter 1 in Ball Diameter 1.687 in Outer Ring Width 0.781 in Outside Diameter 2 in Outer Ring Material Alloy Steel Ball Material Alloy Steel Ball Material Grade 52100 Bore Diameter Tolerance -0.0005/+0.0015 in Closure Open Finish Chrome Plated Flat Diameter 1.36 in Inner Ring Width 1 in Lubrication Openings Lubrication Hole Maximum Ball Swivel 9 Degrees Outside Diameter Tolerance +0.0000/- 0.0007 in Overall Width 1 in