Bearings • Spherical Bearings

Spherical bearings are self-aligning bearings designed to manage high radial loads when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present. The bearings are able to handle high loads because they utilize two rows of rollers that are thicker in the middle and thinner at the ends. The bearings also have higher friction than a comparable ball bearing, as different parts of the spherical rollers run at different speeds. Spherical roller bearings can feature brass cage or steel cage, and can be window type or finger type. Some can also handle axial loads.

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  • SKF USA, Inc.

    In addition to ball and roller bearing products, SKF also produces spherical plain bearings and rod ends, with a choice of materials for plain and flanged bushings as well as thrust washers. SKF radial spherical plain bearings requiring maintenance have the sliding contact surface combination steel on steel. The sliding surfaces have high wear resistance. SKF maintenance-free spherical plain bearings are produced with three different sliding contact surface combinations; steel/sinter bronze, steel/PTFE fabric, and steel/PTFE composite. Stainless steel bearings are also available. SKF angular contact spherical plain bearings are produced with the sliding contact surface combination of steel/PTFE composite. The same holds true for SKF spherical plain thrust bearing types. Rod ends requiring maintenance and maintenance-free rod ends are also available. CAD drawings are offered. SKF is also a distributor of MRC bearings.

  • Hirschmann Engineering

    Hirschmann is a manufacturer of spherical bearing products, including relubricatable heavy-duty, maintenance free heavy-duty, heavy duty requiring maintenance, and sealed spherical bearings. Relubricatable heavy-duty and maintenance-free heavy-duty spherical bearing types offer friction pairing steel on heavy-duty bronze. Downloadable CAD files are offered. Inch size spherical bearings offer friction pairing steel on PTFE stainless steel supporting  fabric. CAD files are downloadable for these as well. Sealed spherical bearings can be provided with relubricatable and maintenance-free rod ends.

  • Bajaj Bearings

    Bajaj Bearings are manufacturers and suppliers of spherical roller bearing products. Their bearings are known for high load capacity and self aligning ability. Bajaj double row spherical roller bearings consist of a plain bearing with a ball bushing. They are suitable for high alternating loads, high radial loads and high shock loads. Self lubricating bearing types are available. Bajaj also manufacturers sealed spherical roller bearings with small or large cage types. A standard cage may not be used for high speed or high temperature applications. Their spherical roller thrust bearing products are used in the steel industry. These bearings can easily be mounted on a shaft and have high load capacity and self aligning properties. Roller thrust bearings have a large capacity for axial loads in either direction. Bajaj also offers high speed spindle bearings. These are angular contact ball bearing types. Other products offered include flanged pillow blocks, all types of ball bearings, and roller bearings.

  • Dalian Hoyi Bearings Co.

    Dalian Hoyi is a manufacturer of double row spherical roller bearings that are self aligning with high load carrying capacity. They also offer their TB-013 large diameter spherical roller thrust bearing suited for heavy-duty applications, with axial loads or combined axial and radial loads. They are self aligning and can accommodate low and high speeds. Other products include ball, thrust and roller bearings.

  • POBCO, Inc.

    Pobco is a manufacturer of self aligning spherical bearings that are used for new installations or as replacements for other spherical bearings, including plastic, wood, carbon, bronze or ball bearing types. Pobco spherical bearings are metal mounted. They also offer shoulder relief spherical bearings available in a variety of plastic materials, including high temperature Teflon, nylon, lube-filled nylon, Rulon, high temperature UHMW and others.

  • The Timken Company

    Timken manufactures spherical plain bearings that carry a high capacity of radial and axial loads in a small envelope due to a large  contact area. Timken offers radial spherical plain bearings, radial spherical plain bearings with lip seals, and angular contact thrust spherical bearings that feature lubricating holes and grooves in the outer ring. Other products available include ball, roller and high performance bearings. Timken also manufactures their line of Fafnir ball, angular contact and ceramic bearings.

  • Aurora Bearing Co.

    Aurora Bearing Company is a manufacturer of spherical inch and metric bearings and rod ends. All of these bearing types are available in an Aerospace Series and a Mil Spec Series, as well as for the commercial and industrial markets. Aurora's spherical inch bearings provide ball-to-race conformity and race materials are low carbon, heat treated alloy, or stainless steel. A self lubricating PTFE to metal interface may be optionally specified. Aurora Bearing also produces three lines of metric spherical bearings. All feature one-piece steel raceways. Their rod ends come in inch or metric sizes as well, and feature steel raceway construction and a low friction, high wear resistance molded liner.

  • Baldor-Dodge Reliance

    Dodge is a manufacturer of a variety of spherical roller bearings. Types include their high capacity unit-housed, double-row S-2000 spherical roller bearing; their Unisphere II high capacity double row spherical bearing that is interchangeable with ball bearing mounting dimensions; their Imperial spherical roller bearings that provide the strength of steel housings for large bore applications; their SNF Plus/SSN split cap spherical bearing available in ductile iron or steel; and Dodge Duplex Bearing Housings that offer variable bearing arrangements, including cylindrical, spherical and ball bearings. Dodge S-2000 spherical bearings are in cast iron housings and available in pillow block, flange, and piloted flange versions. Other products offered include self lubricating and self aligning sleeve bearings, tapered roller bearings, and mounted ball bearings. A Dodge catalog is available.

  • WD Bearing

    WD Ball & Roller Bearings is a manufacturer of spherical plain bearings, rod ends, and spherical roller  bearings with symmetrical double row spherical rollers self aligning in the groove of the outer ring. They also offer thrust spherical roller bearing products. Spherical plain bearings and rod ends come in radial, angular contact, thrust, rod end, and ball joint types. Also offered are spherical plain radial bearings with a fitting crack, maintenance-free spherical plain radial bearings, spherical plain radial bearings with a fitting crack and wide inner ring, and maintenance-free rod ends with a female thread.

  • National Precision Bearing

    National Precision Bearing is a manufacturer of load series spherical plain bearings which are used in high load and severe misalignment conditions. These bearings are available in open and sealed configurations, and are made in both inch and metric dimensions. Types include standard duty, self lubricating, heavy duty, angular contact, and extended inner race designs. Other bearing types offered by National Precision include miniature and ball bearings, and needle roller bearings.

  • RBC Bearings

    RBC Bearings manufacturers spherical plain bearings in several series' including standard, high misalignment, angular contact, tapered bore, extended inner ring and groove spherical (enhanced lubrication) bearing designs. These bearing products can be used in high load applications where angular misalignment is required. RBC spherical plain bearings are typically employed in hydraulic cylinder rod ends. All spherical plain bearing types offered by RBC come in both inch and metric sizes.

  • UBC Bearings

    UBC is a manufacturer of collar mounted spherical roller bearings. These bearings have a high load roller bearing core, are high quality, and can be used for steel mill solutions. UBC also manufactures spherical roller thrust bearings that offer high speed performance. Spherical roller thrust bearing types offered include cylindrical, tapered and self aligning configurations. Features include large diameters, a large number of rollers, and huge load capacity. Other products offered by UBC include ball bearings and non-standard bearing products.

  • NKE

    NKE Bearings manufactures spherical roller bearings and spherical roller thrust bearings. Their spherical roller bearings are non-separable double row radial bearings with barrel shaped rollers suitable for large radial loads. NKE spherical roller thrust bearings are single direction acting axial bearings, separable, and used for high axial loads and speeds. Other bearing types offered by NKE include angular contact, self aligning, and thrust ball bearings, as well as cylindrical and tapered roller bearings.

  • Emerson Power Transmission

    Emerson Power Transmission offers Sealmaster rod end and spherical bearings. The Sealmaster Precision Series spherical bearings are offered in carbon and stainless steel, alloy steel, sealed and unsealed, bore sizes from 3/16" to 1", and come in six series'. There is also a Commercial Series of spherical bearings from Sealmaster. Their Special Purpose precision spherical bearings are designed with carbon steel outer races and alloy steel ball bearings. Sealmaster Heavy Duty precision spherical bearings are a sealed design and are available in 3/4", 1", 1 1/4" and 1 1/2" bore sizes. Also available are five series' of rod ends from Sealmaster. Other bearing products offered include mounted ball and roller bearings, and cylindrical and thrust bearings.

  • KML Bearing & Equipment

    KML is a manufacturer of spherical roller bearings, spherical roller thrust bearings, and spherical plain bearing types. Their spherical roller bearings have good self aligning  ability, heavy load carrying capacity and anti-impact ability. KML spherical roller thrust bearings are suitable for relatively high speeds and have pressed steel cages. Their spherical plain bearings come in radial, anuglar contact, spherical plain thrust, rod end, and ball joint rod end designs. Other products include stainless steel bearings, mounted bearing units and self aligning ball bearings.

  • Taylor Hobson Limited

    Taylor Hobson is a manufacturer of spherical roller bearings. Most have an outer raceway that is a portion of a sphere for self aligning qualities. Each roller  has a curved form at right angles to the direction of rotation. This provides a high radial load carrying capacity. Other bearing products offered by Taylor Hobson include cylindrical and tapered roller bearings, and angular contact ball bearings.

  • NTN Bearing Corp. of America

    NTN is a manufacturer of self aligning spherical roller bearings designed for heavy radial loads, automatically compensating for large angular errors. Standard Type B spherical roller bearings perform well under high speeds. Their EA Series works well at high temperatures. The EM Series features a solid copper alloy cage for high impact and high speed applications. Other bearing products include radial, miniature and angular contact ball bearings, cylindrical, tapered and needle roller bearings, and ball and roller bearing mounted units.

  • PSL of America

    PSL is a manufacturer of double row spherical roller bearings that can handle heavy radial loads and axial loads in both directions. The outer ring raceway's spherical  shape enables mutual alignment in operation and secures uniform load distribution on the rolling elements. Other types of bearing products offered include bearing rollers, all types of roller bearings, and thrust ball bearings.

  • Ixin Bearing

    IXIN Bearing Limited is a manufacturer of a wide range of spherical plain bearings that feature a long working life, come in various structures, and are made with refined chrome steel. Different spherical plain bearing types include maintenance-free and those that require maintenance spherical plain bearings, and inch size, angular contact and axial thrust plain bearings.

  • Ritbearing

    Ritbearing Corporation manufactures spherical roller bearings. Features include operation in harsh environments, self aligning characteristics, suitable for applications with large radial loads, and can carry small amounts of axial loads in both directions. Ritbearing spherical roller bearings are primarily supplied with either a steel cage or a machined brass cage. Other bearing products offered include angular contact ball bearings, cam and roller bearings, and self aligning ball bearings.