Sleeve Bearing Bore Diameter 1/2 in For Environment Vacuum For Housing Bore Range 0.625 to 0.6257 in For Shaft Size 0.4983 to 0.5 in Lubrication Type Self Lubricating Material Group Plastic Maximum Temperature 230 Degrees F Minimum Temperature -58 Degrees F Outside Diameter 5/8 in Overall Length 1 in Plain Bearing Material Polymer System of Measurement Inch Application Fitness/Physical Therapy Equipment Furniture/Industrial Design Model Building Bevel Length 0.031 in