Shaft Collar (Shaft Clamp)

Shaft Collars, also known as locking collars or shaft clamps are mechanical devices used in various industries to securely hold or position components on a shaft. The shaft clamp is a cylindrical collar that is typically made of metal or plastic and features a set screw or clamping mechanism for tightening and locking onto the shaft.

What Are Shaft Collars For?

Shaft collars play a crucial role in maintaining stability and precision in shaft-driven systems, offering a reliable and cost-effective solution for component positioning and retention. The primary purpose of a clamp is to provide stability, prevent axial movement, and maintain the desired position of rotating components on a shaft, such as gears, pulleys, or bearings. By securing these components in place, shaft collar clamps locking ensure proper alignment, reduce vibration, and enhance overall system performance.

Shaft Clamp Collar

Types of Shaft Collars

There are several types of shaft collars available, each designed to suit specific applications and requirements. There are two main types of collars, set screw and clamp. Each is designed to fix to the shaft in a different way. These are some of the most commonly used types of shaft collars. Each type offers unique features and advantages, allowing for different installation methods, adjustability, and application-specific requirements.

What Are Shaft Collars Used For?

Shaft collars are mechanical devices used to secure components onto a shaft or rod. They have a round shape with a hole in the center to fit around the shaft. Shaft collars are designed to be easily adjustable and removable, allowing them to be positioned at different locations along the shaft. Some common uses of shaft collars include:

  1. Positioning components along a shaft.
  2. Limiting axial movement of components.
  3. Securing bearings in place.
  4. Mounting sprockets, pulleys, or gears onto a shaft.
  5. Acting as mechanical stops for moving parts.
  6. Creating spacing or alignment between components.
Bore Shaft Collar

How to Choose the Right Shaft Collar?

Choosing the right shaft collar involves considering several factors related to your specific application and requirements. Here are some steps to help you select the appropriate shaft collar:

  • Determine the application requirements: Understand the purpose of the shaft collar and the conditions it will be subjected to. Consider factors such as shaft size, torque requirements, axial load, environmental conditions (temperature, moisture, chemicals), and speed of operation.
  • Identify the collar type: Shaft collars come in various types, including set screw shaft collars, one-piece clamping collars, two-piece split collars, and threaded collars. Each type has its advantages and limitations, so choose the one that suits your application best.
  • Material selection: Shaft collars are commonly made from materials such as steel, stainless steel, aluminum, and plastic. Consider the requirements of your application to determine the most suitable material. Factors to consider include strength, corrosion resistance, weight, and cost.
  • Consider special features: Some shaft collars come with additional features to enhance their performance. Examples include keyways for added shaft locking, tapped holes for mounting accessories, or threaded bores for attaching external components. Evaluate if any of these features are necessary for your application.
  • Size and dimensions: Measure the shaft diameter accurately and consider the available space for the collar. Ensure that the collar's inner diameter matches the shaft size, and the outer diameter fits within the available space without interference.
  • Consult technical specifications: Refer to the manufacturer's catalog or product specifications to understand the load capacities, tightening mechanisms, installation requirements, and any specific guidelines provided for the collar.
  • Seek expert advice if needed: If you are unsure about the best collar choice for your application, consult with technical experts or suppliers who can provide guidance based on their experience and knowledge.
  • Compare options and make a decision: Once you have gathered the necessary information, compare different shaft collar options based on their suitability for your application, quality, price, and availability. Select the collar that meets your requirements most effectively.

Remember that choosing the right shaft collar is crucial for the smooth and reliable operation of your machinery or equipment. Taking the time to assess your needs and consider the relevant factors will help you make an informed decision.

Bore Shaft Collar

Custom Shaft Collars

As a service to our customers, we offer a wealth of manufacturing experience and talent to meet the specific needs of custom parts.
Our in-house engineering team has extensive experience designing and custom engineering solutions to meet your requirements. If you don't see what you need in our standard range, please inquire about custom options.

Custom Shaft Collars


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