Spherical Plain Bearing Liner Material No Liner Bore Diameter 30 mm Ball Diameter 47 mm Outer Ring Width 20 mm Outside Diameter 55 mm Outer Ring Material Alloy Steel Ball Material Alloy Steel Closure Double Sealed Dynamic Radial Load Capacity 79 kN Flat Diameter 30 mm Inner Ring Width 32 mm Lubricant Material MoS2 Lubrication Openings Lubrication Groove Oil Hole Maximum Temperature 250 Degrees F Minimum Temperature -20 Degrees F Self Lubricating Bearing No Standards ISO 9001