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Home Products Hub COM(-T) Metal-to-Metal Spherical Bearings

COM(-T) Metal-to-Metal Spherical Bearings

• Ball: 52100 bearing steel, precision ground, heat treated, hard chrome plated.
• Race: Alloy steel, oil coated.
• Lubrication: Groove and hole provided for com series.
• Ptfe Liner: Available for com-t and hcom-t series.

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ISO 9001 Certified SGS Verified OEM / ODM Ready
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Product Definition

What Is COM(-T) Metal-to-Metal Spherical Bearings?

COM(-T) Metal-to-Metal Spherical Bearings are spherical plain bearings made from an inner spherical ring and an outer race that permit controlled rotation, oscillation, and angular misalignment. These bearings are commonly installed in rod eyes, cylinder ends, suspension links, lifting equipment, agricultural machinery, and other slow-moving pivot points. Confirm fit, race material, seals, lubrication, load direction, and edge support before installation.

Typical Applications

Applications for COM(-T) Metal-to-Metal Spherical Bearings

Hydraulic Cylinders & Lifting Equipment

Hydraulic Cylinders & Lifting Equipment

Spherical plain bearings accommodate angular misalignment and oscillating motion at cylinder eyes, lifting arms, and other pivot connections. Select the race, seals, lubrication, and load direction for the duty cycle.

Construction, Agricultural & Material-Handling Pivots

Construction, Agricultural & Material-Handling Pivots

These bearings are commonly used at heavily loaded pivot points in construction, forestry, agricultural, and material-handling machinery where slow oscillation, shock, contamination, and service access influence the bearing choice.

Automotive Suspension & Structural Linkages

Automotive Suspension & Structural Linkages

The spherical inner and outer surfaces support controlled angular movement in suspension links, axle connections, and fabricated mechanisms. Confirm bore fit, housing support, edge loading, and required misalignment before installation.

Industrial Machinery

Industrial Machinery

Used in industrial mechanisms, fixtures, and fabricated assemblies where radial load support and bearing articulation are both required.

Marine & Harsh Environments

Marine & Harsh Environments

Chosen where optional finishes, material variants, or liner configurations help improve service life in demanding conditions.

OEM Mechanical Assemblies

OEM Mechanical Assemblies

Frequently specified for OEM applications that need repeatable spherical bearing geometry, compact packaging, and custom liner or material options.

Product FAQ

Frequently Asked Questions

What are COM and HCOM spherical bearings used for?

COM and HCOM spherical bearings are used in pivoting and articulated joints where radial load support, compact geometry, and controlled misalignment are required.

What is the difference between COM and COM-T?

COM is the metal-to-metal version, while COM-T adds a PTFE liner for applications that prefer lower-maintenance bearing operation and liner-based articulation characteristics.

What is the difference between COM and HCOM sizes?

HCOM parts are the heavier-duty members of the range, with larger outer dimensions and higher radial load capacity than the standard COM sizes.

What materials are used in the COM series spherical bearings?

The standard series uses a 52100 bearing-steel ball, an alloy-steel race, lubrication groove and hole for COM series, and optional PTFE liner depending on the suffix and variant.

Are other materials or finishes available?

Yes. Depending on the application, heat-treated Chromoly and stainless steel race options may be available, and zinc-plated race can also be specified where needed.

How do I choose the correct COM spherical bearing size?

Start with the required bore, outer diameter, width, ball size, and load requirement shown in the size chart, then confirm whether metal-to-metal or PTFE-lined construction is the better fit for the application.

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