Mounted Linear Bearing Bolt Size 3/8 in Finish Anodized Flange Thickness 0.625 in Flange Width 1.5 in For Use With Linear Shafting Material Aluminum Maximum Operating Temperature 400 Degrees F Minimum Operating Temperature 0 Degrees F Mounting Hole Center to Center Distance 4.5 in Mounting Hole Dia (mm) 0.406 in Mounting Surface to Shaft Center (In.) 2.5 in Nominal Inside Diameter 2 in Number of Mounting Holes 2 Overall Height (In.) 4.375 in Series Dayton