The DU™ Cylindrical Bushes - Inch Size, specifically part number 4040DU, are designed for a variety of industrial applications, including aerospace, agricultural equipment, and food processing machinery. These self-lubricating bushings provide excellent wear resistance and low friction performance under a wide range of loads, speeds, and temperatures, particularly in dry running conditions.
The material is suitable for both lubricated and dry applications, making it versatile for linear, oscillating, and rotating movements. The bushings are approved for use in interior aircraft applications according to Federal Aviation Regulations FAR 25.853 and FAR 25.855.
The product features a maximum dynamic load capacity of 36,000 psi and can operate at temperatures ranging from -328°F to 536°F. The coefficient of friction varies depending on operating conditions, with values ranging from 0.02 to 0.25 for dry applications. The recommended shaft surface roughness is Ra = 2 - 16 µin, and the hardness should exceed 200 HB for optimal performance.
These characteristics make the DU™ Cylindrical Bushes a suitable choice for engineers seeking reliable and efficient bearing solutions in demanding environments.
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 | 4040DU |
| Product Name | DU™ Cylindrical Bushes - Inch Size |
| Bushing Type | Sleeve |
| Design Units | Metric |
| Shaft OD | 1.5728 to 1.5738 inch (39.95 to 39.98 mm) |
| Housing Bore | 1.7323 to 1.7333 inch (44.00 to 44.03 mm) |
| Bearing ID | 1.5748 inch (40.00 mm) |
