Less Wear

Based on extensive research GBT has developed a combination of composite materials which offer the hydraulic market a complete solution. These composite materials are showing excellent performance results with regards to hydrodynamic conditions and lubrication and its linear velocity can reach up to 10 N/mm2. Moreover, these materials do not contain lead, as complying with the European Parliament’s “ELV” directive 2000/53/EC.

Excessive wear is caused by high frictional forces acting between the two surfaces; therefore friction can be defined as a force that resists one surface from sliding, rotating or oscillating over another surface.

Factors which affect the friction forces and ultimately results into excessive wear are:

  • Surface finish
  • Temperature
  • Operational load
  • Relative speed
  • Nature of the motion between the two surfaces
  • Lubricant properties or characteristics

Solutions offered by GBT:

Our focus is to reduce friction in greater level so that it can result into extremely less wear and increasing the life span of sliding bearings. Our additional objective includes broadening the sliding bearing load ranges, operating speeds and working temperatures, applicability for use in aggressive environments, with and without application of lubricants.

We developed a series of composite material i.e. MU, MU-B & MU-4 which will meet all of our customer necessities and in addition to that, with this material we developed the ability to position rotating or sliding elements of hydraulic systems with respect to each other. Sliding bearing are selected on load, speed and operating environment. However in hydraulic systems, hydraulic fluid is present to provide the adequate lubrication and therefore we developed our material in a way which is fully compatible with such types of hydraulic fluids and provides superior performance during operating cycles.

Additional advantages of GBT sliding bearings:

  • Best suited for Hydrodynamic operation
  • In presence of lubricants, sliding speed can go up to 10 m/s
  • High lubricant or media compatibility
  • High chemical resistance
  • Low operating bearing clearance
  • High resistance to abrasion & erosion
  • Low level of wear, even at high linear, rotating or oscillating speeds