Spherical Plain Bearing Sliding Contact Surface Hard Chrome Steel on PTFE Liner Material PTFE Bore Diameter 20 mm Ball Diameter 29 mm Outer Ring Width 12 mm Outside Diameter 35 mm Outer Ring Material Alloy Steel Ball Material Alloy Steel Closure Open Dynamic Radial Load Capacity 31 kN Finish Chrome Plated Flat Diameter 20 mm Inner Ring Width 16 mm Lubricant Material MoS2 Maximum Temperature 300 Degrees F Minimum Temperature -50 Degrees F Self Lubricating Bearing Yes