Spherical Plain Bearing Sliding Contact Surface Steel on Steel Liner Material No Liner Bore Diameter 17 mm Ball Diameter 25 mm Outer Ring Width 10 mm Outside Diameter 30 mm Outer Ring Material Alloy Steel Ball Material Alloy Steel Closure Open Dynamic Radial Load Capacity 21 kN Flat Diameter 17 mm Inner Ring Width 14 mm Lubricant Material MoS2 Lubrication Openings Lubrication Groove Oil Hole Maximum Temperature 300 Degrees F Minimum Temperature -50 Degrees F