Linear Bearings

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Linear Bearings

Northwest Bearings offers a wide range of high-quality linear bearing options. Linear bearings create smooth movement with low friction and can be found in various kinds of machinery. Unlike the more traditional styles of rotational bearings, a linear bearing moves back and forth along a particular rail/surface by recirculating internal rolling elements. Feel free to contact our expert team at Northwest Bearings to help with any advice you may need.

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Linear Bearing Supplier

One of the UK’s leading online suppliers of seals, bearings and more, located in the Northwest of England in Lancashire. With over 50,000 items in stock, you can be sure of finding the perfect product for your needs. Whether that may be from our range of linear ball bearings or the selection of deep groove bearings we have on offer. The high-quality flanged bearings in stock are easier to install and can prevent any unwanted axial movement or vibration damage.

Why Choose Northwest Bearings?

Choosing Northwest Bearings as your linear bearing supplier will allow you to utilise our over 20 years of experience and technical knowledge for any query you might have. Our expert customer service team is always on hand to advise you on what you may need from our selection of high-end suppliers, from the likes of Mcgill, INA/Schaeffler, Bosch Rexroth, THK, NTN, SKF and Drylin. Our facility in the heart of Lancashire is a prime location to supply the whole of the UK quickly and efficiently, ensuring you are able to get the right part at the right time.

Linear Bearings FAQs

What is a Linear Bearing?

A linear bearing is a mechanical component that is designed to limit friction and guide the movement of a part of an object. This can be achieved in different ways, but the overall outcome remains the same: smooth and precise movement with small levels of friction created.

What are the Most Common Types of Linear Bearings?

This smooth movement is achieved by different common types of linear bearings.
  • Roller bearings use cylinder-shaped rollers to support heavier loads than traditional ball bearings
  • Ball bearings create efficient and accurate linear motion by rotating the ball bearings within their own housings
Plain bearings rely on self-lubricating surfaces and materials for heavier loads at low speeds

What are Linear Bearings Used For?

The smooth movements that a linear bearing can create makes them perfect for use in industrial automation where accuracy is key. Minimising friction leads to more efficient and precise movements, which also works to increase the longevity of the machine itself.

What Materials are Linear Bearings Made From?

There are many factors to consider when looking into what material bearings will work best for you. Plastics and ceramics create low levels of friction and can be suitable for high-speed applications. Metals like stainless steel, aluminium and bronze are used for their strength and anti-corrosion properties.

What is the Difference Between Linear Ball Bearings and Linear Plain Bearings?

Linear ball bearings use the recirculation system to ease movement between the rail and carriage for high-speed, high-load, low-friction linear motion. Whereas linear plain bearings are a cost-effective option for lower speeds and loads that utilise a sliding motion between a shaft and a sleeve/bushing.