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Our cartridges are available in metallic or rubber. The bearing inserts have grade 10 balls and super-finished ball paths to support proper lube film and reduce noise.
In a variety of shaft diameters, locking device types and bearing designs. Regardless of the heating and air conditioning, conveyor system equipment, or general industrial application, our complete assortment of cartridge units  all the while reducing vibration impact for your comfort and convenience. 
Metallic Design Attributes
Mounts in straight bore housings.
Comes complete with wide inner-ring bearing insert and three-piece “R” seal.
Conductive Rubber Design Attributes
Offers straight, beveled or special profiled outer diameter.
Comes complete with extended inner ring bearing insert.
Very quiet and dampens vibration.
Heating and air-conditioning
Ventilating equipment
Conveyor systems
General industrial equipment
Cartridge units in the FBSA series  have a flanged housing to enable quick and easy mounting. These ready-to-mount units are available for shaft diameters ranging from 20 to 60 mm and incorporate SKF single direction angular contact thrust ball bearings. Except for the ground surfaces, the units are surface-treated with a black-oxide finish.

The units are available with different bearing arrangements:
two bearings arranged back-to-back, designation suffix DB (fig. 4)
two bearings arranged face-to-face, designation suffix DF (fig. 5)
two bearing pairs arranged tandem back-to-back, designation suffix QBC 
two bearing pairs arranged tandem face-to-face, designation suffix QFC 

Units with two bearing pairs are also available with the flange at the end of the cartridge (designation suffix A, fig.3). Other bearing arrangements are available on request.
Cartridge units should be bolted to the machine wall and located on the screw drive shaft with an SKF precision lock nut.


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