BOWMAN'S WMUB® PTFE LINED BEARINGS: HIGH-PERFORMANCE, DRY-RUNNING APPLICATIONS
WMUB PTFE Lined Bearings for Low-Friction Applications
CuSn8 Bronze Backed PTFE Bearings for Dry Running Performance
Bowman’s WMUB PTFE lined bearings are engineered for high-performance, dry-running applications requiring low friction, minimal wear, and excellent sliding characteristics.
These advanced CuSn8 bronze backed PTFE bearings create a protective transfer film on the mating surface, helping improve durability and operational reliability in demanding environments. Read More
WMUB® PTFE Lined Specifications
| Structure | CuSn8 backing strip with sintered bronze & PTFE layers. |
|---|---|
| Max PV – Dry (N/mm² x m/s) | 1.8 |
| Max PV – Oiled (N/mm² x m/s) | 2.8 |
| Max Static load (N/mm²) | 250 |
| Max Dynamic load (N/mm²) | 140 |
| Max Sliding speed – Dry (m/s) | 2.5 |
| Max Sliding speed – With Oil (m/s) | 5 |
| Operating temperature (°C) | -200 to 280 |
| Thermal Conductivity (W/mk) | 42 |
| Coefficient of friction – Dry | 0.02 to 0.20 |
| Coefficient of friction – With Oil | 0.02 to 0.15 |
| Recommended shaft finish (Ra) | 0.04 max (N5) |
| Recommended shaft hardness (HB) | 200 min |
Discover WMUB® Bronze-Backed PTFE Bearings
Select a product below to view dimensions, specifications and technical data.
Key Strengths of WMUB® Bronze-Backed PTFE Bearings
Low Friction Power
Designed with advanced low-friction properties to reduce energy loss and enhance efficiency.
Durable Sliding Action
Provides smooth, consistent sliding motion with minimal wear for extended reliability.
Exceptional Load Capacity
Engineered to support high radial and axial loads without compromising performance.
Corrosion-Resistant Coating
Equipped with a protective coating to resist rust, chemicals, and harsh environments.
Long-lasting Performance
Combines robust construction and superior materials to ensure extended operational life.
Frequently Asked Questions
If the answer to your question is not listed below, please feel free to give us a call directly on +44 (0)1235 462500 or email us on sales@bowman.co.uk.
What are WMU® PTFE lined wrapped bearings?
They are high-duty bearings with a PTFE lining that offers low friction, reduced wear, and excellent sliding properties for dry-running applications.
Which applications are WMU® PTFE lined bearings suitable for?
These bearings are commonly used in automotive suspension struts, shock absorbers, hydraulic systems, gear pumps, and axial/radial piston pumps.
Which type of materials are used in WMU® bearings?
They feature a PTFE polymer lining, sintered bronze for thermal conductivity, and a steel backing for load capacity. Copper/tin plating provides additional corrosion resistance.
How do I choose the right WMU® bearing for my project?
Contact our team at +44 (0)1235 462500 or email sales@bowman.co.uk for expert guidance on selecting the ideal bearing for your application.
What are the benefits of PTFE lined wrapped bearings?
PTFE lined wrapped bearings provide low friction, excellent wear resistance, and reliable dry-running performance in demanding applications. These bearings form a protective transfer film on the mating surface, helping reduce maintenance requirements and extend service life. Bowman’s WMUB PTFE lined bearings are also available in a range of configurations, including CuSn8 bronze backed PTFE bearings and bronze lined bearings, making them suitable for automotive, hydraulics, and precision engineering applications.
Looking for a custom size or special specifications?
Whether you need standard or custom options, we’re here to help. Reach out now and let’s find the perfect match!
