Bronze Tube Tolerances

Continuous cast bronze tube is cast or manufactured with additional stock on both the ID (inner diameter) and OD (outer diameter) in order to finish to the stated nominal size.  The nominal size is the listed ID & OD size.  For example if you were to order a piece of bronze tube stock with a

Self-Lubricating Graphite Plugged Bronze Sleeve Bushings Now Available Online

  In response to the growing demand for the graphite plugged bushing product line, we are happy to announce that the entire line of standard size graphite plugged sleeve bushings are available for purchase online at  Hundreds of industry standard size sleeve bushings are listed in both inch and metric standard sizes.  These products

Product Spotlight: Bearing Block

  Materials: C95400 Aluminum Bronze ASTM B505, Graphite Solid Lubricant Plugs Processes: Milling, Plugging Industry: Aerospace   This aluminum bronze bearing block has graphite solid lubricant plugs to give the component the added benefit of self-lubrication.  The graphite plugs cover 40% of the bearing surface, for added coverage (industry standard is 30% coverage). To learn

Our Expansion Continues…

  That’s right, we’re expanding again here at National Bronze Mfg. Co.  This time with the addition of a brand new W.F. Wells band saw to our sawing department.  The added saw will increase our capacity and turnaround time for both our bar stock orders as well as our production machined components orders,  by decreasing

Now Offering Dri-Plane© Bearings on

A full line of sleeve and flanged Dri-Plane© Bearings are now available for purchase online on  The Dri-Plane© Bearing is the latest advancement in sintered bearing technology.  Traditionally sintered bronze bearings have been impregnated with an oil lubricant to give the bearing the added benefit of self-lubrication.  Dri-Plane© Bearings substitute the impregnated oil with