Flanged Sleeve Bearing Bore Diameter 1/4 in Flange Diameter 0.5 in Flange Type Flanged For Environment Vacuum For Housing Bore Range 0.3122 to 0.3128 in For Shaft Size 0.2481 to 0.249 in Lubrication Type Self Lubricating Material Group Plastic Maximum Temperature 428 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 5/16 in Overall Length 1/4 in Plain Bearing Material Polymer System of Measurement Inch