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Bearings

Industrial bearings are crucial in machinery, serving as the linchpin in reducing friction between moving parts. They ensure the smooth and efficient operation of machinery and contribute significantly to the longevity and reliability of industrial equipment. From automotive to aerospace, these components are indispensable for the seamless function of many mechanical systems.

Bearings BY CATEGORY

Ball Bearings

Ball Bearings

Small, round objects made of metal that reduce friction between moving parts in machinery.

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Roller Bearings

Roller Bearings

These use rolling elements to support loads and reduce friction in rotating machinery.

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Mounted Bearings

Mounted Bearings

Pre-assembled bearings attached to machinery for supporting and guiding rotating shafts.

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Plain & Sleeve Bearings

Plain & Sleeve Bearings

Support and reduce friction between rotating and sliding parts in a variety of applications.

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Cam & Yoke Roller Bearings

Cam & Yoke Roller Bearings

Heavy-duty bearings for loads with rollers on a cam or yoke track for guidance.

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Rod Ends

Rod Ends

Pivot joints with a spherical ball and threaded shank for rotational and linear movement in various applications.

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Spherical Plain Bearings

Spherical Plain Bearings

Bearings that allow for rotational and linear movement with a spherical sliding surface for moderate misalignment.

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Slew Ring & Turntable Bearings

Slew Ring & Turntable Bearings

Large bearings for heavy loads with smooth, low-friction rotation and radial/axial load support.

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Bearing Tools & Accessories

Bearing Tools & Accessories

Includes pullers, heaters, lubricants and testing tools for the maintenance of bearings.

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Bearings BY BRAND

Bearings POPULAR PRODUCTS

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About Bearings

The primary importance of bearings lies in reducing friction between moving parts, thereby enhancing efficiency and prolonging the lifespan of the equipment. By ensuring smooth operation, bearings minimize wear and tear, reduce energy consumption, and maintain the integrity of moving components. These features are especially vital in high-speed applications, where the stability and reliability of bearings can significantly impact productivity and maintenance requirements.


Ball bearings are a fundamental component in mechanical engineering, designed to reduce rotational friction and support radial and axial loads. Smooth balls enclosed between two rings, called races, allow parts to move more efficiently by minimizing surface contact and the resulting friction.


Roller bearings have cylindrical rollers instead of the traditional balls found in ball bearings. The primary advantage of roller bearings is their capacity to handle higher load capacities due to the larger contact area between the rollers and the raceway. The increased contact area suits them for applications involving heavy loads and high-speed operations.


Spherical plain bearings can withstand heavy loads while facilitating smooth rotational movements. Their spherical shape allows for angular rotation in all directions, making them ideal for applications requiring multi-directional movement and alignment adjustments.


Mounted bearings are housed in a protective casing, mounted directly onto the machine frame, or incorporated into the system’s design, offering stability and support. They are known for their versatility, durability, reliability, and ability to withstand heavy loads.


Plain and sleeve bearings are reliable, durable, and cost-effective. Plain bearings, also known as slide bearings, are simple in design and can operate under various loads and speeds, making them suitable for multiple applications. Sleeve bearings are cylindrical and offer a high load-carrying capacity. They are made of bronze, plastic, or composite materials, which provide a self-lubricating feature to ensure smooth operation and minimal maintenance.


Cam and yoke roller bearings can handle high radial loads and are particularly useful in applications requiring linear movement or the translation of rotational motion to linear motion. Cam rollers, typically used in cam drives, conveyor systems, and automation equipment, feature thick-walled outer rings that accommodate high loads and reduce distortion and bending stress. On the other hand, Yoke rollers are mounted on a pin or shaft for higher load capacity and greater rigidity in operations such as track rollers.


MRO Supply has a significant inventory of bearings to meet specific specifications and requirements, making MRO your one-stop shop for all your bearing needs.

Bearings BLOGS

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An education in bearings - what does it translate to in the job...

An education in bearings - what does it translate to in the job...

A few may, but not everyone will be able to work for one of the big bearing manufacturers at the... READ MORE

An education in bearings - what does it translate to in the job market?

An education in bearings - what does it translate to in the job market?

You will most certainly have come across bearings at some point in your engineering degree or other... READ MORE

What is a set screw pillow block bearing?

What is a set screw pillow block bearing?

A pillow block bearing is a type of housed mounted bearing used to support rotating shafts and... READ MORE

Slew Ring Bearings: How Do They Work?

Slew Ring Bearings: How Do They Work?

Slew ring bearings, also referred to as slewing bearings, slewing rings, or turntable bearings, are... READ MORE

Bearings ARTICLES

How do bearings work?

How do bearings work?

Have­ you ever wondered how things like inline skate wheels and electric motors spin so smoothly and...

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What the future holds for bearings.

What the future holds for bearings.

As an integral part of many operations, the demand for stronger, more durable and longer-lasting bearings...

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Should you buy ceramic bearings?

Should you buy ceramic bearings?

Expert opinions polled in this great insightful article.

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Advances in Magnetic Bearings

Advances in Magnetic Bearings

In this age of environmental consciousness, OEMs around the world are competing to build better, safer,...

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Bearings LITERATURE

SKF bearing housings and roller bearing units

SKF bearing housings and roller bearing units

This catalogue contains the standard assortment of SKF housings and roller bearing units typically used in industrial applications. To provide the highest levels of quality and customer service, these products are available worldwide through SKF sales channels.

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Mounted Bearings Catalog from AMI Bearings to help you select

Mounted Bearings Catalog from AMI Bearings to help you select

No matter your industry. No matter your application. Need a mounted ball bearing that meets your exact specifications, and you need it fast?

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Moline Bearing Engineering Catalog  from AMI Bearings to help you select

Moline Bearing Engineering Catalog from AMI Bearings to help you select

The catalog is designed to help easily select the appropriate bearings for their specific applications. The catalog includes a wide range of bearings such as ball bearings, roller bearings, mounted bearings, tapered roller bearings, and spherical roller bearings, among others.

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Berliss product catalog is a comprehensive guide to the range of bearings

Berliss product catalog is a comprehensive guide to the range of bearings

The catalog includes useful technical information and engineering data to assist in making informed decisions about their bearing requirements.

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