Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of ptfe bronze filled guide wear ring in China. With abundant experience, we warmly welcome you to buy bulk durable ptfe bronze filled guide wear ring in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
The PTFE Bronze Filled Wear Ring is a high-performance guiding element designed for hydraulic and pneumatic systems where low friction and high load-bearing capacity are essential. By blending polytetrafluoroethylene (PTFE) with bronze powder, this composite material offers significantly improved compressive strength and thermal conductivity compared to pure PTFE. It serves as a sacrificial bearing surface that prevents metal-to-metal contact between the piston and cylinder bore, ensuring smooth linear movement while protecting expensive machined surfaces from scoring and wear.
Essential Fitment & Specs
|
Parameter |
Details |
|
Material Standard |
PTFE + 40% Bronze Filler |
|
Compressive Strength |
>= 15 MPa(at 1% deformation) |
|
Temperature |
-60°C to +200°C |
|
Color |
Black / Green / Brown |
|
Hardness |
60±5 Shore D |
|
System Fitment |
Hydraulic & Pneumatic Cylinders |
|
Applicable Position |
Piston & Rod Bearing Guide |
Load Bearing & Structural Stability

The PTFE Bronze Filled Guide Wear Ring is engineered with premium PTFE reinforced with bronze powder to provide stable support under significant radial loads.
The composite wear ring material ensures high dimensional stability, maintaining precise alignment of the piston and rod within the cylinder bore even during high-temperature operations.
By effectively separating moving metal components, this piston wear ring prevents scoring and wear on the internal cylinder surfaces.
Its robust structural integrity allows it to withstand peak pressure pulses while offering a low coefficient of friction to protect the entire sealing system.
Industrial Application & Trade Solutions
Optimized for use in construction machinery, agricultural equipment, and industrial hydraulic systems where smooth movement and high load capacity are critical.
Each PTFE Bronze Filled Guide Wear Ring undergoes rigorous dimensional inspection to guarantee a perfect fit in standard ISO and custom-designed grooves.
We utilize export-standard protective packaging to ensure the material arrives free from surface defects or contamination.
Our trade solutions include rapid technical prototyping for custom sizes and flexible MOQ structures tailored to support professional global distributors and repair centers.

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