Designation:

GIS30 M27x2
BEFN 30-21-501 

Construction:

The articulated head is a plain bearing housed in a housing with a stem for mounting. The rod of the articulating head is attached with an internal right`s thread.

Features:

Series K. 
Internal thread.
It is used in places that require high revolutions.
It requires maintenance and lubrication, which is carried out through the oiler in the housing.
CuSn8 is a solid solution of a hardened copper (bronze) alloy with 8% tin. The high tin content provides high strength and good spring properties. The alloy is wear-resistant, has very good corrosion resistance and a low coefficient of friction.