Brand: igus Item: Plain bearing Series: Drylin R Housing Material: Anodized aluminum Flanged: Yes Overall Length: 1-11/16in Housing Fit: Fixed Bearing Inside Diameter: 1/2in Bearing Material: Type J polymer Housing Type: 4-bolt flange pillow block Housing Outside Diameter: 1-1/4in Square Flange Dimension: 1-5/8in igus drylin R series plain bearing, type J polymer bearing, 1/2in inside diameter, 1-11/16in overall length, fixed housing, 4-bolt flange pillow block, anodized aluminum, flanged.