Spherical Plain Bearing Liner Material PTFE Bore Diameter 2 in Ball Diameter 2.937 in Outer Ring Width 1.375 in Outside Diameter 3 1/2 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 2.36 in Inner Ring Width 1.75 in Lubrication Openings Lubrication Hole Maximum Ball Swivel 8.5 Degrees Outside Diameter Tolerance +0.0000/- 0.0007 in