self-lubricating bushes composite bearing material developed specifically to operate with marginal lubrication and consists of three bonded layers: a steel backing strip and a sintered porous bronze matrix, impregnated and overlaid with a pigmented acetal copolymer bearing material
Slide Bearing Plates

Slide Bearing Plates

Discover our plain bearings: Flange bearings, sleeve bushings, and thrust washers. Customizable bushing materials available. Our products are wear-resistant, maintenance-free, and designed to withstand dirt, dust, and corrosion.

oilless bronze plate

Slide Plates

Bronze alloys for wear plates: high-tensile brasses, aluminium bronzes, and other bronze alloys

Slide Bearing Plate for Marine and Shipbuilding

Aluminum bronze alloys (e.g., C954/C63000) resist saltwater corrosion and provide high strength for ship rudders, propeller shafts, and deck machinery. Graphite plugs ensure lubrication in inaccessible areas

C54400 bronze bearings C93200 (SAE660) or CuSn7Zn4Pb7-C (CC493K) GC Additional Alloys: CuSn7ZnPb (RG7), CuSn10, CuSn12, CuPb10Sn, CuPb15Sn, CuAl10Ni, CuSn10Zn (RG10), CuZn25Al5, CuSn5ZnPb (RG 5)

Slide Plates Bearing Plates

Slide Bearing Plates with Graphite Bronze Wear Plate Applications

Slide bearing plates made from graphite bronze wear plates are widely used in various applications due to their excellent combination of durability, wear resistance, and self-lubricating properties. These plates are ideal for situations where consistent motion and resistance to wear and tear are critical.

Brass-Bronze Self-Lubricated sliding pads self-lubricating graphite or pre-drilled mounting holes.
Brass-Bronze Self-Lubricated sliding pads self-lubricating graphite or pre-drilled mounting holes.
metal plates with holes bronze wear plate heavy duty gib. Made of bronze wear surfaces, they can be ordered with optional self-lubricating graphite or pre-drilled mounting holes.
sliding pads wear plate graphite bronze wear plate heavy duty gib. Made of bronze wear surfaces, they can be ordered with optional self-lubricating graphite or pre-drilled mounting holes.
a gold rectangular object with black dots bronze wear plate heavy duty gib. Made of bronze wear surfaces, they can be ordered with optional self-lubricating graphite or pre-drilled mounting holes.
Brass-Bronze Self-Lubricated Sliding Pads for Die Casting Machines Rectangle Bronze Plate with Graphite Plugs

Plain Bearing (Slide Bearing Plates)

Maintenance-free and economical sliding plate.

Materials Employed in Slide Bearing Plates

  • PTFE (Polytetrafluoroethylene): With a common composition including 25% glass fill, PTFE slide plates are chosen for their minimal friction, superior wear resistance, and outstanding performance across a broad temperature spectrum. They excel in scenarios involving either low heat or high velocity and can also be applied in high-temperature environments when combined with other materials.
  • Bronze Plate for Slide Bearings: Particularly suited for scenarios demanding high load capacity but low velocity, where the application of oil or grease might be impractical or undesirable. These slide wear plates are crafted from bronze, integrated with graphite to enhance their wear resistance and self-lubricating properties.

Oil Free Slide Plates / Copper Alloy, Slide Bearing Plates

Wear Plate General Purpose Plate #500SP (SWP)

Lubrication-Free Slide Plate (STRL/STRLU/STRLUP/STRLT), Copper Alloy (Upper and Lower Surfaces Polished) Type

Bronze slide-bearing plates, crafted from C86300 Manganese Bronze with Graphite Plugs, play a crucial role in pipeline support systems. These plates function as the bearing pad for pipe support slide bearings, facilitating movement and expansion within the pipeline system. Typically configured in a “sandwich” setup, one plate is fixed to a stationary support while the other is connected to a moving element. This arrangement allows for friction to occur at the point where the two plates meet.

C86300 Manganese Bronze is a durable and corrosion-resistant material, making it ideal for applications that involve high loads at low speeds, particularly where outstanding abrasion resistance and stability under high temperature and pressure are required. This bronze alloy consists of 60.0-68.0% Copper, 22-28% Zinc, 2.0-4.0% Iron, 5.0-7.50% Aluminum, and 2.5-5.0% Manganese.

The incorporation of graphite plugs in the bronze plates enables self-lubrication, allowing the bearing plates to function dry, without the need for external lubrication. These graphite-plugged bronze plates can withstand temperatures up to 500 degrees Fahrenheit and are well-suited for high-pressure environments. They exhibit resistance to a broad spectrum of chemicals, both organic and inorganic, and can endure minor particle embedment without failing. This leads to an extended, maintenance-free lifespan for the bearing plates.

The bearing plates are precisely machined from continuous cast C86300 Manganese Bronze plate stock. During the manufacturing process, holes are milled into the plate surface, into which solid lubricant graphite plugs are inserted. These plates find extensive use in various pipeline support systems, especially in scenarios where heavy load bearing is coupled with low movement velocity.

Oil Free Slide Plates / Copper Alloy (Upper-Lower Surface Ground), Flat Plate #500SP (SFP), Oil Free Slide Plates / Copper Alloy Configurable Type, L Type Plate #500SP (SLP)

Slide bearing plates are essential components in various engineering and construction applications, designed to accommodate movement and reduce friction between structural elements. These plates are particularly useful in bridges, buildings, pipelines, and heavy machinery, where they facilitate the smooth operation of moving parts under load, while also accommodating thermal expansion and contraction. The materials and configurations of slide bearing plates vary depending on the specific requirements of the application, including load capacity, temperature conditions, and environmental factors.

slide plate is specifically used in piping systems:

Its purpose is to minimize the friction between the fixed support elements and the moving pipe support elements. This helps to reduce the forces generated due to pipe deflection during operation, ensuring smoother movement and less wear on the components.

Key Features:

  • Customization: Available in widths up to 20″, lengths up to 190″, and tailored graphite patterns for specialized needs

  • Maintenance Reduction: Quarterly inspections suffice for most applications, focusing on wear checks and graphite plug integrity
  • Versatility: Suitable for a wide range of applications, including piping systems, heavy equipment, and structural steel members.
  • Ease of Installation: Can be easily attached to supporting structures, making them a practical choice for various engineering projects.
Key Features Enabling These Applications

Self-Lubrication: Graphite inserts form a low-friction film, eliminating the need for external lubrication.

Material Durability
Alloys such as C954 (Aluminum Bronze) and CuAl10Ni5Fe4 offer tensile strengths up to 40 ksi and provide excellent corrosion resistance.

Viiplus provides technical guidance and custom designs for detailed specifications or industry-specific solutions.

Graphite Bronze Wear Plates in Slide Bearing Applications

Graphite bronze wear plates are critical components in industries requiring durable, low-maintenance sliding solutions under extreme conditions. Their self-lubricating properties, high load capacity, and resistance to wear and heat make them ideal for the following applications:

  • Mining and Heavy Machinery

    Graphite bronze wear plates are used in tower mills, crushers, and continuous casting machines to handle heavy loads, abrasive environments, and high-impact forces. The embedded graphite ensures consistent lubrication, even in dirty or corrosive conditions.

    Example: Replacing intermediate shaft bushings in mining equipment with graphite-bronze plates reduces downtime and maintenance costs.

  • Oil, Gas, and Power Generation

    These wear plates are ideal for piping systems, pressure vessels, and structural steel supports. viiplus graphite-impregnated bronze slide bearing plate can withstand temperatures up to 1,100°F and prevents water seepage when welded to substrates.

    Applications: Turbine supports and pipeline slide bearings, where oil-free operation is essential.

  • Marine and Shipbuilding

    Aluminum bronze alloys like C954 and C63000 are highly resistant to saltwater corrosion and provide high strength for ship rudders, propeller shafts, and deck machinery. The graphite plugs in these wear plates ensure lubrication in hard-to-reach areas.

  • Automotive and Metal Stamping

    Graphite bronze wear plates are used in molds, dies, and stamping equipment to guide linear motion under heavy loads. Customizable graphite patterns help reduce friction in high-precision tools, improving efficiency in CNC machining and injection molding.

    Example: SESW slide plates (20mm thickness) are designed for automotive molds and plastic injection machinery.

  • High-Temperature Industrial Systems

    Graphite bronze wear plates can replace PTFE or glass-filled plates in environments with extreme heat. The thermal stability of the graphite prevents degradation, making these plates suitable for kilns, furnaces, and chemical processing equipment.

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Plain Bearings in Various Industries