WMB® BEARINGS: DESIGNED FOR SLOW‑SPEED, HIGH‑LOAD APPLICATIONS
Bowman’s WMB CuSn8 bronze bearings are precision-engineered phosphor bronze wrapped bearings manufactured from high-quality CuSn8 rolled bronze alloy for demanding low-speed, high-load applications. Designed to deliver exceptional strength, wear resistance, and long service life, these bearings provide a cost-effective alternative to machined bronze bushes, roller bearings, and ball bearings while maintaining reliable performance in harsh operating environments.
As an experienced rolled bronze bushing manufacturer, Bowman offers a comprehensive range of standard and bespoke bearing solutions for industries including construction, mining, agriculture, marine, material handling, and heavy industrial equipment. These high load slow speed bronze bearings are capable of supporting both radial and axial loads, making them ideal for applications subjected to shock loading and continuous operation. The CuSn8 alloy also provides excellent resistance to corrosion, making WMB® bearings suitable as saltwater corrosion resistant bearings for marine and offshore environments.
Whether you require a CuSn8 bronze alloy bushing in the USA, a durable construction mining bronze bushing, or a trusted solid bronze bushing manufacturer for custom-engineered solutions, Bowman delivers precision bearings backed by decades of engineering expertise and global technical support.
Structure
The WMB ranges are made entirely of CuSn8. The working surface is rolled with diamond indentations or stamped with oil grooves. On assembly or during operation the indentations can be filled with grease or oil which acts as a reservoir creating excellent long term lubrication.
The bronze bearings are produced from phosphor bronze alloy rolled strip which is hard and has an excellent finish. The material composition is as follows:
Cu – Balance
Sn – 8.5%
P – 0.2%
The WMB range is another extremely versatile range. Please feel free to get in touch with us to discuss your specific project requirements. The bronze bearings can be offered with pockets, grooves or thru-holes for heavier applications.
| Structure | CuSn8 bronze with either grease pockets or holes |
|---|---|
| PV (N/mm² x m/s) | 2.8 max |
| Static load (N/mm²) | 120 max |
| Dynamic load (N/mm²) | 40 max |
| Sliding speed – With Grease (m/s) | 2.5 max |
| Intermittent temperature (°C) | 130 max |
| Operating temperature (°C) | -100 to 200 |
| Thermal Conductivity (W/mk) | 60 |
| Coefficient of friction | 0.08 to 0.25 |
| Hardness (HB) | 90-120 |
| Tensile strength (N/mm²) | 450 min |
| Yield point (N/mm²) | 250 min |
| Elongation (%) | 40 |
Discover the WMB® Bearings Series
Select a product below to view dimensions, specifications and technical data.
Explore the Arvis Plain Bearings range with detailed product information and downloadable PDF resources.
The Key Strengths of the WMB® Bearings
Bowman's WMB CuSn8 bronze bearings are engineered for demanding applications where high loads, low operating speeds, and exceptional durability are essential. Manufactured from premium CuSn8 rolled phosphor bronze alloy, these phosphor bronze wrapped bearings offer outstanding wear resistance, excellent load-bearing capability, and reliable performance in harsh operating environments. Their rolled bronze construction incorporates lubrication pockets that retain grease, extending lubrication intervals and reducing maintenance requirements. Designed for heavy-duty applications, WMB® bearings are widely used in construction, mining, agriculture, marine, and material handling equipment. As a trusted rolled bronze bushing manufacturer, Bowman also provides bespoke solutions for specialised applications. Whether you require a high load slow speed bronze bearing or a saltwater corrosion resistant bearing, WMB® bearings deliver dependable, long-lasting performance under the toughest operating conditions.
Heavy-Duty Strength
Engineered with robust materials to withstand extreme loads and harsh conditions.
Dual Load Handling
Designed to manage both radial and axial loads for versatile performance.
Built-in lubrication pockets/hole
Integrated lubrication system ensures smooth operation without frequent re-lubrication.
Light on Maintenance
Built for durability, reducing servicing needs and maximizing uptime.
Endless Efficiency
Delivers consistent performance with minimal friction and energy loss.
Industry-Proven Reliability
Tested and trusted across industries for stable, long-term operation.
Frequently Asked Questions
What are Bowman WMB® CuSn8 Bronze Bearings?
Bowman WMB® CuSn8 bronze bearings are premium phosphor bronze wrapped bearings manufactured from high-quality CuSn8 rolled bronze alloy for demanding low-speed, high-load applications. Designed with integrated lubrication pockets, these bearings provide excellent wear resistance, long service life, and reliable performance while supporting both radial and axial loads. They are an ideal solution where robust, maintenance-efficient plain bearings are required.
Which industries use WMB® CuSn8 Bronze Bearings?
WMB® bearings are widely used across construction, mining, agriculture, marine, material handling, steel processing, and heavy industrial equipment. Their robust design makes them ideal as construction mining bronze bushings for applications exposed to heavy loads, shock loading, and harsh operating environments. They are also suitable as saltwater corrosion resistant bearings for marine and offshore equipment.
Can I get WMB® CuSn8 Bronze Bearings customised to my specification?
Yes. As an experienced rolled bronze bushing manufacturer and solid bronze bushing manufacturer, Bowman offers bespoke WMB® bearings to meet your exact application requirements. We can manufacture custom dimensions, lubrication patterns, tolerances, and bearing configurations for OEM and specialist industrial applications.
Which materials and sizes are available for WMB® CuSn8 Bronze Bearings?
The WMB® range is manufactured from premium CuSn8 rolled phosphor bronze alloy and is available in a comprehensive selection of standard metric and imperial sizes. We also supply custom-engineered solutions, including high load slow speed bronze bearings designed for specialised applications requiring exceptional durability and performance.
How do I request a quote for WMB® CuSn8 Bronze Bearings?
To request a quotation, simply contact Bowman with your bearing dimensions, operating conditions, load requirements, speed, and application details. Whether you require a CuSn8 bronze alloy bushing in the USA, a standard WMB® bearing, or a bespoke bronze bearing solution, our engineering team will recommend the most suitable product for your application.
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!
