Frequently Asked Questions
If the answer to your question is not listed below,
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sales@bowman.co.uk.
What is a bronze wrapped plain bearing?
A bronze wrapped plain bearing is a cylindrical plain bearing manufactured from rolled CuSn8 phosphor bronze alloy. Designed for low-speed, high-load applications, these bearings feature lubrication pockets, grooves, or through-holes that retain grease and promote effective lubrication during operation. CuSn8 plain bushings are widely used in heavy-duty equipment because they offer excellent wear resistance, high load capacity, and reliable performance in harsh operating environments.
How does WMB® compare to WMU®, WMUB® and WMX® bearings?
Each Bowman bearing range is designed for different operating conditions. WMB® high load bronze plain bearings are ideal for low-speed, heavily loaded applications where grease lubrication is available, making them well suited to construction, mining, and agricultural machinery. WMU® bearings are PTFE-lined and designed for maintenance-free, dry-running applications with extremely low friction. WMUB® bearings offer the same low-friction PTFE performance with a bronze backing for improved corrosion resistance, while WMX® acetal-lined bearings are designed for rotary and oscillating applications requiring periodic lubrication and higher load capacity. Selecting the right bearing depends on factors such as load, speed, lubrication, operating environment, and service life requirements.
What is CuSn8 bronze and when should I use it?
CuSn8 bronze is a premium phosphor bronze alloy containing approximately 8% tin, renowned for its excellent wear resistance, mechanical strength, and corrosion resistance. It is commonly used to manufacture CuSn8 plain bushings for applications involving heavy loads, oscillating motion, shock loading, and demanding operating conditions where long service life and dependable lubrication performance are required.
What surface styles are available on WMB® plain bearings?
Bowman's WMB® wrapped bronze plain bushings are available with a variety of surface configurations, including lubrication pockets, through-holes, and lubrication grooves. These surface features are designed to retain grease more effectively, improve lubrication distribution, reduce friction, and extend bearing service life in demanding industrial applications.
What sizes of WMB® plain bearings are available?
Bowman's WMB® bronze wrapped plain bearings are available in a comprehensive range of standard metric sizes suitable for a wide variety of industrial applications. As an experienced solid bronze bushing manufacturer and CuSn8 plain bearing supplier, Bowman also offers bespoke machining services to produce non-standard dimensions and application-specific bearing designs tailored to your exact engineering requirements.
