Industrial Spherical Bearings

Unmounted spherical plain bearings, manufactured by Triangle

Triangle Manufacturing is a US-based bearing manufacturer and supplier of unmounted, self-lubricated spherical plain bearings with oil cups or grease fittings in molded nylon, sintered iron, or sintered bronze. With shaft size options from 1/4 inch to 1.5 inch and options to add a cushion or bushing, we can meet any need.

Triangle’s spherical plain bearings are self-aligning and offer precision bores for the following applications: lawn and garden, HVAC, agriculture, heavy-duty vehicles, recreational vehicles, solar, automation, conveying, food processing, and manufacturing.

Industrial spherical bearing options:

  • Shaft size: 1/4 inch to 1.5 inch 
  • Bearing ball materials: molded nylon, sintered iron, and sintered bronze

Need a custom spherical bearing?

Our expert engineers will partner with you to custom design industrial spherical bearings to meet your exact specifications. We can handle your design from start to finish. Contact Triangle Manufacturing today and consider it done.


Other Mounted Spherical Bearings

Triangle Manufacturing produces bearings to fit a wide range of applications in agriculture, lawn and garden, HVAC and air handling, automotive, recreational industries, construction, manufacturing, pulp & paper, power generation, mining, water treatment, aerospace, quarrying and mining.


Search for Bulk Spherical Bearings

Part drawings available in PDF and STEP formats - find the bearing you need and click “Download Drawing”.

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Spherical Bearing Resources

Industrial spherical bearings are a critical machine component in many applications. As a result, there are a variety of spherical bearing types and characteristics to be considered when selecting the bearing for your design. Triangle Manufacturing is here to help!

View All Bearing Resources

Got questions about spherical plain bearings? Get answers in our spherical plain bearing FAQ.

View Spherical Plain Bearing FAQs

Are your spherical plain bearings going to fail? Learn five signs of potential spherical plain bearing failure to diagnose and troubleshoot your issue.

View Five Signs of Bearing Failure

Spherical plain bearings save costs in farm equipment. Learn about Triangle’s agricultural applications in barn cleaners, garden tractors, forage wagons and manure spreaders.

View Cost Reductions in Farm Equipment

About Triangle Manufacturing

Nearly 100 years ago, Frank Sullivan took a giant leap –the kind that only the entrepreneurial engineer will make. From the shop room floor at what was then Oshkosh Truck Corp. (and is today known as Oshkosh Corporation®), he ventured out on his own to establish Triangle Manufacturing Company in 1922.

View the Triangle Manufacturing Story

Bearing Engineering - It’s in Our DNA

At first glance, the engineering capabilities among manufacturing companies may seem largely the same. So, what sets Triangle Manufacturing apart? The difference is in our DNA. Our company was built by engineers, grown by engineers and is led by engineers today.

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Innovators Focused on Your Success

Since our start in 1922, we’ve been a stamped metal component and bearing manufacturing company run by engineers for engineers. We foster a culture of innovation throughout the entire company – from sales to engineering to manufacturing and shipping.

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Bearing Engineering Design Process

Have you ever tried to fit a spherical plain bearing or linkage assembly into a new design, only to find that it’s like putting a square peg into a round hole? You contact your bearing or linkage supplier hoping their custom metal fabrication and stamping expertise will help you address the problem AND meet the tight deadlines you face.

View Engineering Design Process

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