Bearing Diagrams – FXV

Flanged Delrin Bearings with a Stainless Spanner

Flanged Delrin bearings used in combination with a stainless steel spanner (or spacer) are chosen for applications where corrosion resistance, low friction, and precise alignment are critical. Here are the main reasons you might opt for this setup:

Corrosion Resistance:
Delrin (an acetal resin) is inherently resistant to moisture and many chemicals, preventing rust and corrosion issues that can occur with metal bearings. Paired with a stainless steel spanner, the entire assembly remains highly resistant to rust, making it suitable for wet, humid, or chemically harsh environments such as marine applications or outdoor equipment.

Low Friction and Self-Lubrication:
Delrin bearings offer excellent low-friction characteristics. They often require little to no external lubrication, reducing maintenance intervals and simplifying upkeep. The high dimensional stability and low wear rate of Delrin help ensure smooth, efficient motion over a long service life.

Lightweight and Quiet Operation:
Compared to metal bearings, Delrin components are significantly lighter. This weight reduction can improve efficiency in many mechanical systems and reduce the load on motors or other power sources. Delrin’s natural dampening qualities also help minimize vibration and noise, contributing to a quieter operation.

Dimensional Stability and Precision:
A flanged design ensures the bearing is properly seated and axially located. This helps maintain alignment in shafts or wheels, improving the overall accuracy and performance of the mechanism. When combined with a stainless spanner (which can serve as a precise spacer or support), the assembly achieves optimal tolerance control, ensuring a smooth, reliable fit.

Versatility Across Applications:
Because these components handle both mechanical stresses and environmental challenges well, they are often found in robotics, food-processing machinery (where non-corrosive, sanitary components are crucial), outdoor fixtures, medical devices, and marine hardware.

Using flanged Delrin bearings with a stainless spanner offers a corrosion-resistant, low-maintenance, high-precision solution that balances longevity, reliability, and cost-effectiveness, especially in demanding or moisture-prone conditions.