VXB Ball Bearings distributes 12mm x 35.3mm, 12mm x 47.6mm, and 12mm x 56.1 mm unground flanged conveyor roller bearings. The company also supplies 8mm x 23.6mm miniature unground flanged conveyor roller bearings.

Rolcon manufactures conveyor roller bearings including commercial unground bearings, ABEC-1 ZZ shielded precision ball bearings, and ABEC-1 2RS sealed bearings. The commercial bearings are used in low speed applications where noise is not an issue, while the precision ball bearings offer low noise, high load capacity, precise operation, and a long life span. The sealed bearings provide protection from dirt, dust and water.

SKF designs and manufactures conveyor unit, sealed spherical roller bearings that reduce the need for lubrication and extend time between conveyor failures. The roller bearings are used in a number of heavy conveyor applications including mining, ports, shipping, steel mills, and forestry.

Heinrich Brothers' conveyor roller bearings products include non-precision, semi-precision, ABEC precision, and plastic bearings used for gravity conveyors or power conveyors. The ABEC precision bearings are capable of high speeds and higher load than semi-precision and non-precision bearings, while the semi-precision bearing are made of machined steel with tighter tolerances than non-precision bearings.

Frantz Manufacturing Company produces a line of tapered conveyor roller bearings that includes straight faced, wide flanged, flanged, GENll, metric GENll, and GenStar models. The various bearings are available as unground non-precision, semi-precision, or precision types.

Conveyor roller bearings manufactured by Miller Bearing Company include stainless steel, regreasable, hex or round bore, semi-precision flanged, and stamped-style flanged types.

Conveyor Systems & Engineering's line of rollers and roller conveyors includes motor, corrosion resistant, PVC, sanitary, stainless, heavy duty, line shaft live, plated, and unplated roller types. The company's products offering also includes inclined roller beds, roller assemblies, roller bed belt conveyors, roller spurs, and stainless conveyor rollers.

A roller bearing supplier that distributes bearings for gravity conveyor rollers and bearings for idler rollers, Ensalco offers plastic rollers, bead and roller guides, roller coatings and sleeves, roller bearing wheels, wheels, various rollers, and tapered rollers.

Frost Inc. offers standard conveyor bearings for roll sizes of 1.9" to 4". The fully sealed bearings are engineered for high speed and low noise requirements.