Metal-Polymer Anti-Friction Plain Bearings

Self-lubricating split bushings deliver exceptional wear resistance and low friction performance across a broad spectrum of loads, speeds, and temperatures, even in dry running conditions.

• Bushing material is also suitable for applications requiring lubrication.

• These anti-friction bearings are ideal for linear, oscillating, and rotating movements in piping, valves, fittings, and other components. They are compatible with both gaseous and liquid oxygen environments, withstanding temperatures up to 60°C and oxygen pressures of up to 25 bars.

Available in standard dimensions:

• Cylindrical bushes/split bushings

• Flanged bushes/flanged split bushings

• Thrust washers

• Flanged washers

• Sliding plates

Customizable options:

• Standard bushing forms in special dimensions

• Half-bushings

• Special shapes produced through stamping or deep drawing

• Tailored bushing designs to meet specific requirements

PTFE (Polytetrafluoroethylene) plain bearings are an excellent choice for self-lubricating bearing solutions in conveyor belt fastener systems, especially for accessories like the Pinless Hook made of 316L stainless steel. Here’s how PTFE bearings can benefit your application:

Key Features of PTFE Plain Bearings:

1. Self-Lubricating: PTFE has a low coefficient of friction, which allows it to operate without external lubrication. This reduces maintenance requirements and prevents contamination in sensitive environments.

2. Corrosion Resistance: PTFE is highly resistant to chemicals and moisture, making it ideal for use with 316L stainless steel in harsh or corrosive environments.

3. Wear Resistance: PTFE bearings offer excellent wear resistance, ensuring a long service life even under continuous operation.

4. Low Friction: The inherent lubricity of PTFE reduces friction, which minimizes energy loss and heat generation in the conveyor system.

5. High Load Capacity: PTFE bearings can handle significant loads, making them suitable for the dynamic stresses encountered in conveyor belt systems.

6. Temperature Resistance: PTFE can operate in a wide temperature range, typically from -200°C to +260°C (-328°F to +500°F), ensuring reliability in various operating conditions.

Application in Conveyor Belt Fastener Systems:

• Pinless Hook Design: The Pinless Hook, made of 316L stainless steel, benefits from PTFE bearings due to their ability to reduce friction and wear at the pivot points. This ensures smooth operation and extends the lifespan of the fastener system.

• Reduced Maintenance: The self-lubricating nature of PTFE bearings eliminates the need for frequent lubrication, which is particularly advantageous in conveyor systems where downtime must be minimized.

• Corrosion Resistance: Both PTFE and 316L stainless steel are highly resistant to corrosion, making this combination ideal for applications in wet, humid, or chemically aggressive environments.

Design Considerations:

• Bearing Material: PTFE bearings can be reinforced with fillers like glass fibers, carbon, or bronze to enhance mechanical properties such as load capacity and wear resistance.

• Clearance and Fit: Proper clearance and fit between the bearing and the Pinless Hook are critical to ensure optimal performance and avoid excessive wear.

• Environmental Factors: Consider the operating environment (e.g., temperature, exposure to chemicals, or abrasive particles) when selecting the appropriate PTFE bearing formulation.

Advantages for Conveyor Systems:

• Improved Efficiency: Reduced friction leads to lower energy consumption and smoother operation.

• Extended Service Life: The combination of PTFE and 316L stainless steel ensures durability and reliability in demanding applications.

• Cost Savings: Reduced maintenance and longer component life translate to lower operational costs.

By integrating PTFE plain bearings into your conveyor belt fastener system, you can achieve a robust, low-maintenance solution that enhances performance and longevity.