Roller bearing assembly

摘要

The roller bearing assembly has a fitting where the clamping of the locking bolts automatically couples a lubricant circulation pipe. The roller bearing, with a fitting (3) to take a roller axis, has at least one pipe channel (14) on the fitting with the locking bolts (12), to supply and extract lubricants. The end of the pipe channel towards the fitting has a counter coupling (15), to secure the pipe channel to the coupling (13) at the fitting when the bolts are locked. The operating system for the locking bolts is a hydraulic cylinder unit (8) with a hydraulic cylinder (9) and a moving piston, where the leading and projecting piston rod (11) is linked to the locking bolts. The trailing piston rod (19) is linked to the pipe channel.