Springs

4" Extension Spring Pulley Strap Containment Cable Offset Nylon Bushing

SKU: RS-300-32020

10 In Stock
Description

The 4" Pulley Strap with Containment Cable Offset and Nylon Bushing is a high-quality, durable component ideal for a variety of mechanical and industrial applications. It's specifically designed to enhance the efficiency and longevity of pulley systems.

Key Features:

  • Large 4-Inch Size: The pulley strap boasts a 4-inch diameter, making it suitable for larger pulley systems where a broader strap is required for effective operation. This size is ideal for systems that handle heavier loads or require a larger surface area for operation.
  • Containment Cable Offset: This critical feature ensures the proper alignment and stability of the cable within the pulley system. The containment cable offset keeps the cable in its correct path, reducing the risk of slippage or misalignment, which can lead to wear and system failures.
  • Nylon Bushing: The inclusion of a nylon bushing is a significant benefit, as nylon is renowned for its durability and low-friction properties. This reduces the wear on the cable and the pulley, ensuring smoother operation, less noise, and increased longevity of the system components.
  • Robust Construction: Designed to endure tough conditions, this pulley strap is built from materials that can withstand considerable wear and tear. It's ideal for industrial environments or applications where the pulley system is under constant stress.
  • Versatile Use: Its design makes it a versatile piece, suitable for various applications, including heavy machinery, industrial lifting, and complex mechanical systems. It can also be used in commercial settings where large, efficient pulley systems are required.
  • Simple Installation and Maintenance: The pulley strap is engineered for ease of installation, allowing for quick setup and minimal downtime. Its maintenance requirements are straightforward, ensuring long-term, hassle-free use.

The 4" Pulley Strap with Containment Cable Offset and Nylon Bushing is an essential component for anyone looking to improve the performance and reliability of their pulley systems. Its advanced design and quality construction make it a top choice for professionals and DIYers alike.

Take a look at this diagram to see the different spring types:

Garage Door Spring Types

NOT COMPATIBLE WITH TORQUEMASTER OR TORSION SPRING SYSTEMS. ONLY EXTENSION SPRINGS!

Instructions

Here are some great how to guides on extension spring install:

Click here to download instruction manual

Compatibility

Compatible with:

  • Most residential steel and wood doors with standard lift Extension Springs up to 200lb with 4" pulleys
Reviews
FAQs
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October 19, 2025 4 min read

Installing Torque Master springs might seem intimidating at first, but with the right tools and step-by-step guidance, it's a manageable DIY project.

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Why Do Garage Doors Need Torsion Springs? Expert Explains

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Think of your garage door springs like the counterweight in an old elevator. Without them, your door would be incredibly difficult to lift manually, and your garage door opener would burn out trying to handle all that weight on its own.

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October 07, 2025 3 min read

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Description

The 4" Pulley Strap with Containment Cable Offset and Nylon Bushing is a high-quality, durable component ideal for a variety of mechanical and industrial applications. It's specifically designed to enhance the efficiency and longevity of pulley systems.

Key Features:

  • Large 4-Inch Size: The pulley strap boasts a 4-inch diameter, making it suitable for larger pulley systems where a broader strap is required for effective operation. This size is ideal for systems that handle heavier loads or require a larger surface area for operation.
  • Containment Cable Offset: This critical feature ensures the proper alignment and stability of the cable within the pulley system. The containment cable offset keeps the cable in its correct path, reducing the risk of slippage or misalignment, which can lead to wear and system failures.
  • Nylon Bushing: The inclusion of a nylon bushing is a significant benefit, as nylon is renowned for its durability and low-friction properties. This reduces the wear on the cable and the pulley, ensuring smoother operation, less noise, and increased longevity of the system components.
  • Robust Construction: Designed to endure tough conditions, this pulley strap is built from materials that can withstand considerable wear and tear. It's ideal for industrial environments or applications where the pulley system is under constant stress.
  • Versatile Use: Its design makes it a versatile piece, suitable for various applications, including heavy machinery, industrial lifting, and complex mechanical systems. It can also be used in commercial settings where large, efficient pulley systems are required.
  • Simple Installation and Maintenance: The pulley strap is engineered for ease of installation, allowing for quick setup and minimal downtime. Its maintenance requirements are straightforward, ensuring long-term, hassle-free use.

The 4" Pulley Strap with Containment Cable Offset and Nylon Bushing is an essential component for anyone looking to improve the performance and reliability of their pulley systems. Its advanced design and quality construction make it a top choice for professionals and DIYers alike.

Take a look at this diagram to see the different spring types:

Garage Door Spring Types

NOT COMPATIBLE WITH TORQUEMASTER OR TORSION SPRING SYSTEMS. ONLY EXTENSION SPRINGS!

Instructions

Here are some great how to guides on extension spring install:

Click here to download instruction manual

Compatibility

Compatible with:

  • Most residential steel and wood doors with standard lift Extension Springs up to 200lb with 4" pulleys
Reviews
FAQs