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Belt Selection, Care & Maintenance

Further Information

Last Modified: 12th Mar 2021


Advice is of course an integral part of the service offered to you by Bearingboys. Calculation manuals along with multilingual drive design software is available on request. The program simplifies the drive calculation of V belts and timing belts depending on the criteria and limitations specified by the user.


Drive belts can be stored for long periods in a clean, properly ventilated stock room at normal ambient temperatures, away from direct sunlight, uv radiation and ozone. Drive belts may be coiled but must not be stacked under excessive loads and they must not be bent or squeezed.


Drive belt pulleys must be clean and have the correct belt profile and be correctly aligned. The drive belts must be fitted without force, if there is an idler fitted it must have a recommended minimum diameter and be positioned on the slack side of the drive to ensure the correct arc of contact is achieved on the pulleys. If one or more drive belts should fail in a drive system the complete set of drive belts must be replaced.


The life of a drive belt largely depends on proper tension, you should follow the tensioning instructions and after the drive has been run in, check the tension using the deflection or elongation method and re-tension if required.


Drive belt maintenance is usually checking the belt for cleanliness, alignment and tension. It is also important to keep the other drive components in a good condition buy checking the pulleys for wear and in particular the lubrication of bearings