Spherical Plain Bearing Liner Material No Liner Bore Diameter 4 1/4 in Ball Diameter 6.102 in Outer Ring Width 3.187 in Outside Diameter 6 5/8 in Outer Ring Material Alloy Steel Ball Material Alloy Steel Closure Open Dynamic Radial Load Capacity 1 000 kN Flat Diameter 4.25 in Inner Ring Width 3.719 in Lubricant Material MoS2 Lubrication Openings Lubrication Groove Oil Hole Maximum Temperature 300 Degrees F Minimum Temperature -50 Degrees F Self Lubricating Bearing No