Designation:

UC309;
UC309 + pillow block housing P309 = bearing unit UCP309;
UC309 + 4-bolt square housing F309 = bearing unit UCF309;
UC309 + 4-bolt round housing FC309 = bearing unit UCFC309;
UC309 + oval flange housing FL309 = bearing unit UCFL309;
UC309 + take-up housing T309 = bearing unit UCT309;

Design:

The insert ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage (separator). The bearing insert with set screw locking is held in position on the shaft by two set screws directly on the extended end of inner ring.

Features:

spherical outer ring;
mounting on the shaft with threaded bolts;
R seals on both sides.