variable speed belt sizes

The material from which a timing belt is made is one of the most critical aspects to consider. Common materials include rubber, polyurethane, and reinforced materials that include fiberglass or aramid. Rubber belts are widely used due to their good flexibility and durability. Polyurethane belts, while typically more expensive, offer superior noise reduction and wear resistance. The selection of material should align with the application's operating temperature, load conditions, and environmental factors.


...

Engine belts serve multiple purposes, the most common being the power transmission from the engine to various components of the car. The primary belt in most vehicles is the serpentine belt, which drives multiple peripheral devices. These can include the alternator, power steering pump, water pump, air conditioning compressor, and more. The serpentine belt is designed to be a single, continuous loop that winds around multiple pulleys, allowing for the efficient transfer of power across several systems.


...