2BK47H/H1-1/8 Compressor 4.5" Dual Groove Pulley - for Masterdrive Air Compressor Power Transmission Part - Cast Iron Belt B Section 5L Pulley w/ 1-1/8" Sheave Bushing - Gray Cast Iron Solid Steel

Our air compressor accessories are developed and manufactured around the three core requirements of stability, efficiency, and convenient maintenance in industrial scenarios. We have a deep understanding of the working characteristics of different compressor models, so each accessory is precisely matched in terms of size, interface, and tolerance control, and can seamlessly integrate with the host to avoid additional losses caused by adaptation issues. In terms of material selection, we focus on the durability of accessories under harsh working conditions - whether facing continuous high pressure, frequent start stop, or temperature and humidity fluctuations, accessories can maintain stable physical and sealing performance, thereby extending the service life of the entire compression system. The design of accessories fully considers the convenience of on-site installation and maintenance. Through structural optimization and modular processing, most accessories support tool simplification or even manual installation, significantly reducing maintenance time and decreasing reliance on professional personnel. At the same time, the precise internal flow channel design reduces unnecessary turbulence and resistance, making the transmission of compressed air smoother. This not only improves the output efficiency of the compressor, but also brings considerable energy savings to users. We deeply understand that reliability is the lifeline of industrial components. Therefore, from raw material storage to finished product delivery, we have established multiple inspection processes to repeatedly verify key performance indicators, ensuring that every product that reaches your hands has excellent quality consistency and long-term stability. Choosing our accessories means choosing an efficient, durable, and worry free reliable partner for your compression system.

• for Masterdrive dual groove 4.5" cast iron pulley/sheave with 1-1/8" H bushing for B section belt is a high-quality 2-piece pulley that measures 4.5" outside diameter and is designed to be used with an H style bushing. This bushing inserts into the center of the pulley and slides over the shaft, as you tighten down the bolts on the H bushing it will tighten down on the shaft. This style of pulley is much more secure than a standard single-piece pulley. The bushing is made of solid steel and precision machined to ensure high quality and secure attachment to your motor/engine shaft. This pulley accepts B Section also known as 5L series belts and is 5/8" wide.
• Cast Iron 4.5" Dual Groove Belt B Section 5L Pulley w/ 1-1/8" Sheave Bushing Specifications: Solid Steel Bushing Dual Groove Pulley For Use on 1-1/8" Shaft 1-1/8" Bushing Included Outside Diameter of Pulley: 4.5" High-Quality Cast Iron Construction Accepts: B Section / 5L Section Belts
• Precise matching and seamless integration: tailor-made for mainstream compressor models on the market, with precise interfaces and stable connections, allowing for quick replacement and integration without the need for modification.
• Durable Material: Made of high-strength and fatigue resistant materials, it can resist high pressure, high humidity, and temperature changes, ensuring long-term reliable operation.
• Structural optimization, easy installation and maintenance: Modular and user-friendly design significantly simplifies installation steps, reduces downtime for maintenance, and improves overall equipment efficiency.