Designation:

FC209 housing;
FC209 housing + UC209 bearing = UCFC209 housing bearing;
FC209 housing + UC209-12 bearing = UCFC209-12 housing bearing;
FC209 housing + UK209 bearing = UKFC209 housing bearing

Structure:

The insert ball bearing housing (FC type) is round in shape and has four holes for mounting on a flat surface. It can be equipped with UC series insert bearings with threaded pins or UK series with a clamping sleeve

Features:

round design;
four mounting holes;
built-in oiler