Marine & Saltwater Applications

Stainless Steel Bearings for Marine Equipment

Stainless rod ends, spherical plain bearings, and cam followers for salt spray, vibration, and hard-to-service marine joints.

Salt SprayKey Exposure
316 / 316LCore Grades
Rod EndsCommon Parts

Typical marine bearing use cases

Use these patterns to decide what information to send for review.

Marine Steering Linkages

Marine Steering Linkages

Rod ends and ball joints for steering rams, tiller arms, throttle controls, and linkage assemblies.

Aquaculture Mooring Systems

Aquaculture Mooring Systems

Spherical plain bearings for articulated mooring points, anchor joints, and variable load direction.

Deck and Hatch Mechanisms

Deck and Hatch Mechanisms

Rod ends, cam followers, clevises, and custom parts for access panels, gates, and lifting hardware.

Offshore and Coastal Equipment

Offshore and Coastal Equipment

Motion components for platforms, dock equipment, outdoor actuators, and coastal machinery.

Operating challenges in marine equipment

The main risk is not one failure mode. Marine joints combine corrosion, wear, vibration, and poor maintenance access.

Chloride Pitting

Thread roots, crevices, and stagnant wet zones fail first when chloride exposure is underestimated.

Seized Linkages

Corrosion at the ball, race, liner, or thread surface can lock steering, hatch, and actuator joints.

Grease Washout

Spray, washdown, and immersion can remove grease before the next service interval.

Mixed Loads

Wave motion and misalignment create radial load, axial force, and oscillation in the same joint.

Recommended stainless motion components

Start from the joint function, then match the stainless product family to load direction, movement angle, and maintenance access.

Stainless Steel Rod Ends

Stainless Steel Rod Ends

For steering rams, throttle controls, deck hardware, actuator linkages, and exposed assemblies.

SA / SI / PHS / POS seriesMale and female thread304 / 316 / custom options
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Spherical Plain Bearings

Spherical Plain Bearings

For mooring hardware, hydraulic cylinders, and heavy pivots with angular misalignment.

GE..ES and GE..C seriesLubricated or PTFE-lined316 review for saltwater exposure
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Cam Followers & Track Rollers

Cam Followers & Track Rollers

For guided motion, hatch mechanisms, access equipment, and wet coastal rollers.

Stud and yoke typeSealed structures420 / 440C / 304 options
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Material direction for marine exposure

Do not treat stainless steel as one material. Corrosion resistance, hardness, and sliding wear need to be balanced.

304

Mild Marine Exposure

Freshwater, protected cabins, indoor hardware, or low-chloride coastal humidity.

Selection Reference: Protected hardware
card pattern
316 / 316L

Salt Spray and Chloride Service

Usually reviewed first for exposed marine hardware and chloride washdown.

Selection Reference: Deck, steering, offshore, washdown
card pattern
440C

Hard Contact Surfaces

High hardness for balls, races, and wear points where contact wear dominates.

Selection Reference: High-wear contact areas
card pattern

Marine application checklist

  1. 1Confirm whether the component is submerged, splash-zone, coastal outdoor, or protected indoor hardware.
  2. 2Define the mating hardware material to reduce galvanic corrosion risk.
  3. 3Check bore, thread, load rating, articulation angle, and duty cycle before choosing by size alone.
  4. 4Review 316 or 316L for direct salt spray, chloride washdown, and offshore exposure.
  5. 5Use PTFE-lined structures where lubrication access is limited and the load profile allows it.
  6. 6Send failed samples or drawings when replacement hardware uses non-standard dimensions.

Related technical resources

Use these guides to compare materials, steering linkages, and submerged spherical plain bearing applications.

Review a marine bearing application

Send bore, thread, load, material, exposure, drawing, current part number, or failed sample details. LINOX can review stainless bearing options for corrosive marine service.