Type EG - Single Friction Bearing
Type DG - Double Friction Bearing
GN9080 Universal Joint, Steel, Friction Bearing,
Universal joints, GN 9080, are a simple and very competitively priced variant.
They can only be used for applications with low revolutions. Typical applications are all types of manual operations such as the adjustment of louvers.
Steel ST - Blackened, not hardened.