Considerations When Purchasing Rexnord Filament Bearings

 

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Our partners at Rexnord Corporation address common questions our customers have when purchasing bearings, such as Rexnord’s filament bearings. What is a filament bearing? When would you use one? OTP Industrial Solutions and Rexnord team up to help our customers make an informed purchase decision.

 

What is a filament bearing? 

“Filament” is a general term to designate filament wound, non-metallic composite bearings. The structure of the filament bearing should be reinforced with continuous filaments of fiberglass or another material helically wound around a mandrel.

 

When should you use a filament bearing?

Among the most common filament bearing applications are agricultural machinery, construction equipment, energy processing equipment, food and beverage processing equipment, forest product processing equipment, hydraulic and pneumatic cylinders, lift systems, material handling machinery, mining equipment, recreational vehicle clutches, sailboats, stern drives, and water management valves and actuators.

When considering filament bearings, keep in mind that straight sleeve configurations work well in oscillatory (pivoting), linear sliding and slow-speed full rotation applications like those found in recreational vehicle clutches, construction equipment and water management butterfly valves. Hex and square bore configurations are used in applications such as agriculture and wood processing equipment. These configurations provide torque transmission or prevent shaft rotation, while allowing linear motion. Linear configurations work well in harsh applications like contaminated or wash-down environments, as well as food packaging machinery and factory automated production lines.

 

When considering your filament bearings, keep in mind the importance of:

  • Self-lubricating features that reduce maintenance time
  • Corrosion and moisture resistance, meaning they can perform when submerged in fresh or salt water
  • Non-metallic composite material that will not seize to a shaft
  • Non-metallic options that could be up to 77 percent lighter in weight than steel bearings and 30 percent lighter than aluminum bearings
  • Electrical insulation

 

Contact us today to learn more about Rexnord filament bearings and get the answers to all of your bearings questions.

 

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