The DU® Cylindrical Bushes - Inch Size, specifically part number 5540DU, are designed for a variety of industrial applications including aerospace, agricultural equipment, and construction machinery. These self-lubricating bushings provide excellent wear resistance and low friction performance across a wide range of loads, speeds, and temperatures, making them suitable for dry running conditions. The bushings are also approved for use in interior aircraft applications according to Federal Aviation Regulations FAR 25.853 and FAR 25.855. The product features a metal backing with a porous bronze sinter layer that enhances mechanical strength and thermal conductivity. The filled PTFE lining contributes to the low friction characteristics of the bearing. The DU® bushings can accommodate linear, oscillating, and rotating movements, and are available in standard dimensions, with options for custom designs. Recommended shaft surface roughness is Ra ,⧠2 - 16 Oºin, and the bushings are suitable for both lubricated and dry applications.
Our metal-backed, PTFE-based (polytetrafluoroethy
The metal backing provides mechanical strength, while the bronze sinter layer provides a strong mechanical bond between the backing and the bearing lining. This construction promotes dimensional stability and improves thermal conductivity.
These polymer bearing linings, being predominantly PTFE, offer exceptionally low friction.
| GGB | |
|---|---|
| Product Category | Plain Bearings and Sleeve Bearings |
| Product Number | 5540DU |
| Product Name | DU™ Cylindrical Bushes - Inch Size |
| Bushing Type | Sleeve |
| Design Units | Metric |
| Shaft OD | 2.1630 to 2.1642 inch (54.94 to 54.97 mm) |
| Housing Bore | 2.3622 to 2.3634 inch (60.00 to 60.03 mm) |
| Bearing ID | 2.1654 inch (55.00 mm) |
