Square Flanged Plain Linear Bearing SFPJ80 80mm JISSquare flanged plain linear bearing with an 80mm JIS Metric ID, a precision running clearance, and a standard size aluminum housing featuring a self lubricating FrelonGOLD liner bonded to the bore of the housing. The flange allows secure mounting to a machine frame or plate, while the lined bore supports maintenance free linear, rotational, and oscillating motion along a round shaft. Unlike recirculating ball bearings, the FrelonGOLD sliding surface