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PTFE Bridge Bearing

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MOQ : 1000 Tons

PTFE Bridge Bearing Specification

Thickness
Typically 40-70 mm or project specific

Inside Diameter
As per design/drawing

Retainer
Steel Plate embedded

Lubrication Type
Self-lubricating PTFE

Precision Rating
High precision to IS 2062 / IRC standards

Bearing Type
Pot/PTFE Bridge Bearing

Material
PTFE (Polytetrafluoroethylene) & structural steel

Structure
Solid PTFE Slide Bearing

Seals Type
No Seals/Non-metallic

Number Of Rows
Single

Bore Size
Customizable as per project

Outside Diameter
As per design specification

Limiting Speed
Not applicable for bridge bearings

Load Capacity
Up to 2000 kN or customized

Standard Color
Usually Grey or as per client requirement

Application
Highway, Railway, Rail-over bridge, Viaduct, Flyovers

Friction Coefficient
<0.05

Conforms To
IRC:83 (Part II) & MoRTH specifications

Corrosion Resistance
Excellent due to PTFE & steel combination

Movement Capacity
Translational (±50mm typical), Rotational (0.01 rad)

Bottom Plate
Mild Steel or Stainless Steel

Compression Strength
PTFE pad up to 150 MPa

Temperature Resistance
-50°C to +70°C

Top Plate Treatment
Hot dip galvanized / painted

PTFE Bridge Bearing Trade Information

Minimum Order Quantity
1000 Tons

Supply Ability
10000 Tons Per Month

Delivery Time
1 Months

About PTFE Bridge Bearing

Our offered Bridge Bearing is a component of a bridge which generally provides a resting surface between bridge piers and the bridge deck. It is used to allow controlled movement and thereby reduce the stresses involved. These bearing are designed to accommodate vertical, longitudinal, horizontal and transverse loads of the superstructure caused by thermal effect, traffic loads and structural load. Our provided Bridge Bearing can be customized to suit the bridge design and known for their robustness, corrosion free nature and long service life.

Product Details

Application	Use For Bridge
Material	Natural Rubber
Load Capacity	100 to 500 Ton
Hardness	40-90 Shore A

High-Performance Design

These bridge bearings utilize a solid PTFE slide combination with structural steel, offering high precision and durability for dynamic load conditions. Built to support up to 2000 kN, they are adaptable to diverse bridge structures and demanding environments, providing reliable movement and load transfer.

Superior Corrosion & Temperature Resistance

The synergy between PTFE and steel delivers excellent corrosion resistance, while specialized surface treatments such as hot dip galvanizing or painting further enhance durability. The material withstands extreme temperatures, ensuring dependable operation from -50C to +70C.

Flexible Customization and Application

Available in various sizes and finishes, these bearings are tailored to project-specific requirements including bore, outside/inside diameter, and color. Their adaptability meets the needs of highways, railways, flyovers, and viaducts, providing consistent performance wherever installed.

FAQs of PTFE Bridge Bearing:

Q: How are PTFE Bridge Bearings installed in different infrastructure projects?

A: PTFE Bridge Bearings are installed between the superstructure and substructure of bridges, providing essential support and accommodating movements due to loads, temperature changes, and rotations. Installation is typically carried out by qualified engineers based on project drawings and as per established standards.

Q: What are the main benefits of using PTFE Bridge Bearings?

A: The primary benefits include low friction for smooth movement, high load capacity (up to 2000 kN), superior resistance to corrosion and chemicals, excellent temperature tolerance, and maintenance-free operation thanks to the self-lubricating PTFE surface.

Q: When should PTFE Bridge Bearings be considered over other bearing types?

A: PTFE Bridge Bearings are ideal when a project requires both low friction and high durability under heavy loads, especially in environments prone to corrosion or extreme temperatures. They are particularly suited for highways, railways, and structures where precise movement is critical.

Q: Where can these bearings be used effectively?

A: These bearings are well-suited for highways, railways, viaducts, flyovers, and rail-over bridges. Their robustness and adaptability make them a preferred choice for diverse bridge applications throughout India and internationally.

Q: What is the typical process for customizing PTFE Bridge Bearings?

A: Customization involves reviewing the projects specifications such as load, movement, dimensions, and finish. The manufacturer then designs and fabricates bearings to meet these requirements, ensuring a precise fit and optimal performance according to IS 2062/IRC standards.

Q: How is the corrosion resistance achieved in these bearings?

A: Corrosion resistance is primarily provided by the PTFE material and can be further enhanced through hot dip galvanizing or painting of the steel components, making the bearings suitable for harsh environmental conditions.

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