Brand: igus Item: Plain bearing Series: Drylin R Housing Material: Anodized aluminum Flanged: No Overall Length: 3/4in Housing Fit: Fixed Bearing Inside Diameter: 1/4in Bearing Material: Type J polymer Housing Type: Closed Housing Outside Diameter: 1/2in igus drylin R series plain bearing, type J polymer bearing, 1/4in inside diameter, 3/4in overall length, fixed housing, closed, anodized aluminum.