Linear Bearing, Standard Linear, Overall Height 50.1 mm, Overall Length 75.1 mm, Overall Width 103.2 mm, Housing Material Aluminum, Mounting Hole Diameter 8.3 mm, Anodized, Silver, System of Measurement Metric, 40 Series, Double Flanged, For Number of Slots 3, Standard, Flange Thickness 9 mm, Pad Material UHMW Plastic, Compatible Brand and Series 40 Series