Brand: igus Item: Plain bearing Series: Drylin R Housing Material: Type J polymer Flanged: No Overall Length: 1-1/4in Housing Fit: Fixed Bearing Inside Diameter: 1/2in Bearing Material: Type J polymer Housing Type: Closed Housing Outside Diameter: 7/8in igus drylin R series plain bearing, type J polymer bearing, 1/2in inside diameter, 1-1/4in overall length, fixed housing, closed, type J polymer.