Advantages:
Bearing inner ring comes with top set screws which makes the inner ring of the bearing fix on the shaft. It is very convenient to install.
There is a certain self-aligning ability for the bearing, so it can be mounted on a general accuracy rack. Well-adapted and widely used.
Two-bolt housing with ball bearing insert for ready-to-mount installation.
Setscrew locking collar for secure attachment to guided shaft.
Between the inner bearing and outer fixing ring angle can fine tune