{"id":415887,"date":"2026-07-23T13:37:37","date_gmt":"2026-07-23T05:37:37","guid":{"rendered":"https:\/\/www.usubearings.com\/?p=415887"},"modified":"2026-08-03T16:27:56","modified_gmt":"2026-08-03T08:27:56","slug":"a-complete-guide-to-mounted-bearing-types","status":"publish","type":"post","link":"https:\/\/www.usubearings.com\/russian\/a-complete-guide-to-mounted-bearing-types\/","title":{"rendered":"A Complete Guide to Insert BearingTypes"},"content":{"rendered":"
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Insert bearings, <\/span>, also known as pillow block bearings or bearing units, are among the most widely used bearing assemblies in industrial machinery. They combine an insert bearing with a bearing housing, making installation easier while allowing the shaft to compensate for minor misalignment.<\/p>

However, many users are unsure which type of Insert\u00a0 bearing is suitable for their application. Different locking methods, housing materials, and housing designs are intended for different working conditions.<\/p>

This guide explains the most common classifications of Insert bearings\u00a0 and provides practical advice on selecting the right bearing unit.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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What Is a Insert Bearings?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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A insert bearing<\/span>\u00a0consists of two main components:Insert Bearings\u3001Bearing Housings.<\/p>

Insert Bearings use a spherical outside diameter that fits into a matching spherical housing bore.This design allows the bearing to automatically compensate for small shaft misalignment during installation and operation, helping reduce installation errors and improve running stability.<\/p>

insert bearings <\/span>are widely used in:Agricultural machinery\u3001Conveyor systems\u3001Food processing equipment\u3001Packaging machines\u3001Textile machinery\u3001Mining equipment\u3001Fans and blowers and Material handling systems\u3002They can be classified in several ways depending on their design and application.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1. Classification by Housing Manufacturing Method<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Housing material <\/span>directly affects bearing strength, corrosion resistance, and environmental suitability.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Cast Iron Housing<\/strong><\/h2>

Cast iron is the most common housing material. Its advantages \uff1a<\/p>

\u00b7 Heavy loads<\/p>

\u00b7 Mining equipment<\/p>

\u00b7 Steel industry<\/p>

\u00b7 Severe operating environments<\/p>

\u00b7 Stainless Steel Housing<\/p>

Stainless steel housings offer excellent corrosion resistance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Cast Steel Housing<\/strong><\/h2>

Cast steel provides higher impact resistance than cast iron.<\/p>

Recommended for Heavy loads\u3001Mining equipment\u3001Steel industry\u3001Severe operating environments\u3001Stainless Steel Housing.<\/p>

Common applications include:<\/p>

\u00b7 Lightweight<\/p>

\u00b7 Economical<\/p>

\u00b7 Easy to install<\/p>

They are commonly used in light-duty machinery and agricultural equipment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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2. Classification by Bearing Locking Method<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The insert bearings can be secured to the shaft using different locking mechanisms.Selecting the correct locking method helps ensure reliable shaft positioning.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Set Screw Locking Bearings<\/strong><\/h2>

Cast housings are the most common choice for industrial applications.<\/p>

This is the most widely used mounted bearing type.<\/p>

Two set screws lock the inner ring directly onto the shaft.<\/p>

Typical Models have UC Series\u3001UCP Series\u3001UCF Series\u3001UCT Series<\/p>

Suitable for General industrial machinery\u3001Conveyors\u3001Agricultural equipment and\u00a0Fans.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Eccentric Locking Collar Bearing<\/b><\/strong>s\u00a0<\/b><\/strong><\/h2>

This design uses an eccentric collar to lock the bearing to the shaft.<\/p>

Compared with set screw locking, it provides smoother locking during normal shaft rotation.<\/p>

It is commonly used in applications with\u00a0:<\/p>

\u00b7 Constant rotational direction<\/p>

\u00b7 Moderate loads<\/p>

\u00b7 Easy to install<\/p>

They are commonly used in light-duty machinery and agricultural equipment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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3. Classification by Housing Material<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Housing material directly affects bearing strength, corrosion resistance, and environmental suitability.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Cast Iron Housing<\/strong><\/h2>

Cast iron is the most common housing material.<\/p>

\u00b7 Advantages include:<\/p>

\u00b7 High strength<\/p>

\u00b7 Excellent rigidity<\/p>

\u00b7 Low cost<\/p>

Suitable for most industrial machinery.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Cast Steel Housing<\/b><\/strong><\/h2>

Cast steel provides higher impact resistance than cast iron.Recommended for:<\/p>

\u00b7 Heavy loads<\/p>

\u00b7 Mining equipment<\/p>

\u00b7 Mining equipment<\/p>

\u00b7 Severe operating environments<\/p>

\u00b7 Stainless Steel Housing<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Stainless steel housings <\/b><\/strong><\/h2>

They offer excellent corrosion resistance.Common applications include:<\/p>

\u00b7 Food processing<\/p>

\u00b7 Pharmaceutical equipment<\/p>

\u00b7 Beverage machinery<\/p>

\u00b7 Marine equipment<\/p>

\u00b7 Polymer Housing<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Engineering polymer housings<\/b><\/strong>\u00a0<\/h2>

They are lightweight and corrosion resistant.Typical applications include:<\/p>

\u00b7 Food industry<\/p>

\u00b7 Food industry<\/p>

\u00b7 Washdown environments<\/p>

They also reduce equipment weight and require minimal maintenance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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4. Classification by Housing Shape<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Insert bearing units are available in many housing styles to suit different installation requirements.<\/p>

Pillow Block Housing (UCP)<\/strong>
The most common insert bearing unit.Used where the bearing is mounted on a horizontal base.
Typical applications:Conveyors\u3001Motors\u3001Fans\u3001Agricultural machinery.<\/p>

\u00b7 Square Flange Housing (UCF)<\/strong>
Provides four-bolt mounting.Offers excellent rigidity and accurate positioning.<\/p>

\u00b7 Diamond Flange Housing (UCFL)<\/strong>
Uses two mounting holes.Ideal for limited installation space.<\/p>

\u00b7 Round Flange Housing (UCFC)<\/strong><\/p>

Provides circular flange mounting.Often used in precision positioning applications.<\/p>

\u00b7 Take-up Housing (UCT)<\/strong><\/p>

Designed for adjustable shaft position.Frequently used in belt and chain tensioning systems.<\/p>

\u00b7<\/strong> Hanger Housing<\/strong><\/p>

Suspended from overhead structures.Suitable for suspended conveyor systems.<\/p>

\u00b7 Cartridge Housing<\/strong><\/p>

Designed for cylindrical mounting structures.Used where compact radial installation is required.<\/p>

\u00b7 Triangular Flange Housing<\/strong><\/p>

Three-bolt flange design.Provides flexible mounting in compact equipment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Conclusion<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Mounted bearing units combine an insert bearing with a housing to create a simple, reliable, and easy-to-install bearing solution.They can be classified according to:Housing manufacturing method\u3001Bearing locking method\u3001Housing material\u3001Housing shape.<\/p>

Understanding these classifications helps engineers and purchasing professionals select the most suitable bearing unit for different operating conditions.Choosing the correct mounted bearing improves equipment reliability, simplifies maintenance, and extends service life.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Learn about different insert bearing types, housing materials, locking methods, and housing shapes. Discover how to choose the right pillow block bearing for industrial applications.<\/p>","protected":false},"author":1,"featured_media":440125,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50482,1],"tags":[],"class_list":["post-415887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bearing-knowledge","category-news"],"_links":{"self":[{"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/posts\/415887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/comments?post=415887"}],"version-history":[{"count":14,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/posts\/415887\/revisions"}],"predecessor-version":[{"id":452372,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/posts\/415887\/revisions\/452372"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/media\/440125"}],"wp:attachment":[{"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/media?parent=415887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/categories?post=415887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.usubearings.com\/russian\/wp-json\/wp\/v2\/tags?post=415887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}