Linear Shaft Support Bolt Size M4 Finish Gray Anodized Flange Length 48 mm Flange Thickness 5 mm Flange Width 12 mm Material Aluminum Mounting Hole Center to Center Distance 20 mm Mounting Hole Dia (mm) 4.5 mm Mounting Surface to Shaft Center (In.) 14 mm Nominal Inside Diameter 12 mm Number of Mounting Holes 2 Overall Height (In.) 25 mm Series LPBM System of Measurement Metric Top Length 30 mm Type Top-Loading Low Profile