A121/04 - A Banded V Belts(4RA121) eliminate the need for matched sets, and prevents floating of the belts when clutching idlers are used. Varibelt VX Power Drive Classic Banded V belts are an excellent choice for any application where increased horsepower capacity or output is needed, or where conventional single or multiple drives are impractical because of space or weight limitations. The banded construction reduces belt whip by damping the vibrations.Varibelt VX Classic banded belts have good resistance to mineral oils and temperatures between -30 and +60 Celcius degrees(+80 Celcius degrees for short periods). It also meets anti-static requirements (ISO 1813)APPLICATIONS: To replace a set of classical section belts on drives containing an idler. To solve whipping in drives subject to frequent shocks or recurrent vibrations. To high power agricultural drives, with or without clutching by idler. Typical applications include vertical shaft drives, V flat drives, clutching drives.The designation of VARIBELT VX Power Drive Classic Banded belts, in accordance with ISO standard 5290, refers to the number of strands, the section code RA, RB, RD or RC and the effective length. For further details on belt codes and minimum supply requirements, do not hesitate to contact us.