V-belts are to be used when synchronisation or timing is not required, V-belts make an excellent low-cost, quiet and efficient means of transmitting power.
High-Performance V Belts & Wedge Belts – SPA, SPB, SPC & SPZ Sections
When it comes to reliable, efficient power transmission, V belts and wedge belts continue to be the preferred choice across countless industrial environments. Designed for durability, stability, and smooth operation, these belts offer quiet performance, reduced vibration, and excellent power transfer. Bearing King supplies an extensive range of premium-quality V belts and wrapped wedge belts in SPA, SPB, SPC and SPZ sections from trusted brands such as Dunlop and PIX, delivering dependable solutions for light-duty, medium-duty and heavy-duty applications.
Why V Belts Are Essential for Industrial Power Transmission
V belts—also known as classical belts—are a simple yet vital component in many mechanical drive systems. Their ability to deliver consistent power without the need for synchronisation or precision timing makes them ideal for machinery where affordability, reliability, and quiet operation are key. Because of their wrapped construction and high-quality compound materials, modern V belts exhibit excellent resistance to heat, wear and slippage, making them suitable for general-purpose industrial drives.
PIX, a leading global manufacturer, has invested heavily in research and development to enhance classical belt performance. Through the selection of specialised compounds and optimised construction, PIX V belts now deliver significantly higher power ratings compared to many traditional belts on the market. Their superior tensile strength and enhanced flexibility allow them to provide greater power transmission capacity, improved safety margins, and reliable performance even in demanding operating conditions.
Classical V belts are also recommended for specialised applications such as V-flat drives and installations using reverse idlers. Due to their relatively small thickness, they achieve excellent alignment and stability where space is limited or where the belt path must reverse direction.
The Advantages of Wedge Belts in Modern Machinery
Wedge belts represent the next stage in the evolution of power transmission technology. Manufactured with a narrower cross-section and enhanced cord reinforcement, wedge belts are engineered to deliver higher power output for the same top width. This means operators can achieve more torque, more efficient power transfer, and greater energy savings without increasing the installation footprint.
The design improvements include optimised cord placement, advanced rubber compounds, and the use of pre-stretched cords that minimise belt stretch once in operation. This not only reduces the need for frequent adjustments but also lowers the minimum take-up allowance, resulting in smoother installation and long-term stability.
Wedge belts are used extensively in compact or space-restricted industrial applications where high-performance output is required. Their superior grip and robust construction make them suitable for heavy-duty operations such as crusher drives, conveyor systems, compressors, agricultural machinery, woodworking equipment, and a wide range of manufacturing and processing machines.
Maintaining the correct belt tension is essential for optimal performance. Inadequate tension can reduce efficiency, increase slippage, accelerate wear, and diminish the performance benefits that wedge belts are designed to offer. Proper alignment and tensioning ensure maximum power transmission, minimal downtime, and extended belt life.
Our Product Collections – SPA, SPB, SPC & SPZ Sections
Bearing King stocks one of the most comprehensive selections of V belts and wrapped wedge belts in the UK, covering all major sizes and specifications across SPA, SPB, SPC and SPZ profiles. Our range includes:
Dunlop Wedge Belts
PIX Muscle Wedge Belts
PIX Wrapped Wedge Belts
Each belt is designed to deliver superior performance, longevity, and consistent power transfer, ensuring your machinery operates at peak efficiency.