• Ball: 52100 bearing steel, precision ground, heat treated, hard chrome plated.
• Race: Alloy steel, oil coated.
• Lubrication: Groove and hole provided for coma series.
• Ptfe Liner: Available for coma-mt series.
Tell us the dimensional target, material preference, and application constraints. We'll help match or develop the right solution.
Ask for Custom SupportCOMA M(-T) Metric Alloy Steel Spherical Bearings are metric 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.
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.
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.
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.
Used in industrial mechanisms, fixtures, and rugged assemblies where articulated movement, radial load support, and serviceable commercial-series construction are all required.
Chosen where groove-and-hole lubrication or zinc-plated race options help support long-term service in working industrial environments.
Frequently specified for OEM builds that need repeatable metric spherical-bearing geometry, commercial-series sizing, and optional PTFE-lined configurations.
COMA-M(T) spherical bearings are used in metric articulated joints and linkage positions where compact commercial-series geometry and reliable radial support are required.
COMA-M is the standard metric commercial metal-to-metal spherical bearing, while COMA-MT refers to the PTFE-lined option for lower-friction articulation.
COMA-M(T) uses a 52100 bearing steel ball, precision ground, heat treated, and hard chrome plated, together with an alloy steel race that is oil coated.
Yes. Groove and hole are provided for the COMA series, which helps support lubricated service in applications using the metal-to-metal version.
Yes. PTFE-lined versions are available in the COMA-MT series for applications that benefit from self-lubricating spherical-bearing movement.
Start with the required bore, outer diameter, widths, misalignment angle, and static radial load shown in the size chart, then confirm whether the standard or PTFE-lined version is the better fit for the application.
