How do I choose a shaft collar?

How to Choose a Shaft Collar?

"How do I choose a shaft collar?" is a common question amongst individuals seeking to secure components on shafts. The simple answer is that the choice depends on the application, shaft size, load, operating environment, and many other factors. Let's dive deeper into these aspects to provide you with a comprehensive understanding.

Understanding Shaft Collars

A shaft collar is a simple, yet crucial, device used in a wide range of applications, such as in motors, gearboxes, conveyors, and agricultural machinery. Its primary function is to secure components on a shaft by providing a stop, spacer, or bearing face.

Types of Shaft Collars

There are various types of shaft collars, including set screw collars, clamp collars, and locking collars. Set screw collars are cost-effective and easy to install but can damage the shaft. Clamp collars distribute force evenly around the shaft, thus causing less damage. Locking collars provide a greater holding power than the other types.

Material Selection

Shaft collars can be made from a variety of materials such as steel, stainless steel, aluminum, or plastic. The choice of material will depend on the application and the operating environment. For example, stainless steel shaft collars are suitable for corrosive environments, while plastic collars are ideal for lightweight applications.

Choosing the Right Shaft Collar

When choosing a shaft collar, consider the following factors:

1. Application: Determine the collar's primary role, whether it's a load-bearing face, a spacer, or a mechanical stop.

2. Shaft size: The collar's inner diameter should match the shaft's size to ensure a secure fit.

3. Load: Consider the load that the collar will bear. If it's high, opt for locking collars.

4. Operating Environment: If the collar will be used in a corrosive environment, choose a material like stainless steel that can withstand such conditions.

5. Installation: Some collars are easier to install than others. If installation ease is a priority, consider set screw or clamp collars.

Installation Tips

When installing a shaft collar, ensure that the shaft surface is clean. Use a torque wrench to tighten the collar to the manufacturer's recommended torque value. Over-tightening can lead to shaft damage, while under-tightening can result in the collar slipping on the shaft.

Advantages of Shaft Collars

Shaft collars provide numerous benefits. They are easy to install, versatile, and reliable. They offer a cost-effective solution for holding components in place on shafts and have a long service life when used appropriately.

Our Shaft Collar products are not only compatible with various applications but also work in conjunction with essential components such as Drive Shafts. When paired with high-performance Drive Shafts, our Shaft Collars provide reliable axial support and secure positioning, ensuring the efficiency and effectiveness of the entire transmission system. We not only sell shaft collars, we also provide various drive shafts.


Choosing the right shaft collar involves understanding the application, load, shaft size, and operating environment. By considering these factors, you can select a collar that fits your needs perfectly. For further assistance, our technical team is always ready to help.

Our company leads in the shaft collar market in China. We offer a wide array of products including agricultural machinery parts, drive shafts, bushes, and much more, with options for customization. Our top-notch quality products have earned us praise from customers both domestically and internationally. We are committed to providing quality products at competitive prices and exceptional service. For any unresolved questions, feel free to email us. Typically, emails are responded to within 24 hours.

Please remember, when it comes to shaft collars and other machinery parts, we are your reliable partner!

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Ever-power Schaftkragen Co., Ltd.

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