he standard THR warping rollers are supplied with a polyamide bronze bearing according to DIN 81906.
Additionally the warping rollers can be delivered on a socket (DIN 81907) with optional heights. Apart from the standard cylindrical socket other options such as square, conical or custom made sockets are available.
The rollers on a socket can be equipped with a part that prevents the mooring line from dropping when tension on the line slackens.