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.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.

Applications：Heating and air-conditioning,Ventilating equipment,Conveyor systems,General industrial equipment.. The use of cylindrical cartridge units also allows for the expansion and contraction of the shaft caused by differences in temperature. Metallic cartridges have grade 10 balls, finished ball paths, and a three-piece “R” seal in wide inner-ring bearing inserts.