MR-5 Sliding Bearings

MR-5 Sliding Bearings

The MR-5 trademark identifes a range of bearings composed of compounded PTFE (polytetrafuoroethylene) tape on a hard metal shell which can be made of one of the following materials as per customer request:

The tape of PTFE contains fllers & additives as per demand (Lead-free, meeting the European Parliament's ELV Directive 2000/53/EC), that give at the material self lubricating properties, isolates noise and is designed to obtain bearings without play. Thickness standard is from 0,500 / 0,750 and 1,000 mm.

Due to their different designs, MR-5 bearings are available with both a conductive sliding layer and a dielectric sliding layer. When ordering, please specify the bearing version: the E index indicates conductivity and D indicates the non-conductive layer.

Shapes and Geometries

Technymon Bearings are designed with meticulous precision to seamlessly integrate into their designated applications. Every aspect, from the exact fit with partnering components to the geometry itself (including flanged designs, spherical shapes, and integrated holes), is meticulously considered to guarantee optimal performance and maximize the functionality of the entire system.

Cylindrical shape
Cylindrical (Plain) Bearing
Flanged shape
Flanged / Sleeve Bearing
Dome shape
Dome
Washer shape
Washer
Strips shape
Strips
Special shape
Specials

Applications

car doors
DOOR HINGES link icon
car sunroof
SUNROOFS link icon
Break pedal of an automobile
BREAK PEDALS
car Head lamp
HEAD LAMPS
Car seat
SEATING SYSTEMS link icon
Windshield wipers
WINDSHIELD WIPERS link icon
Belt tensioner
BELT TENSIONER link icon
Car Steering black
STEERING SYSTEM

MR-5 Sliding Bearings

  • MR-5

    • PTFE Modified
    • Low carbon steel
    • Sn or Zn protective layer
  • MR-5 AL

    • PTFE Modified
    • Aluminium alloy (AlMg3)
    • Sn or Zn protective layer
  • MR-5 ALC

    • PTFE Modified
    • Aluminium cladded steel
    • Sn or Zn protective layer
  • MR-5 316

    • PTFE Modified
    • Stainless steel
    • Sn or Zn protective layer

Characteristics

  • Thick sliding layer with uniformly distributed solid lubricants
  • Good calibration/sizing assembly (zero-clearance)
  • High surface conductivity with E version PTFE, not-conductive D version PTFE available with notches/dimples, to prevent paint bridge issues, 1Ω volume conductance can be achieved with proper surface contact
  • With right fit, uniform torque can be achieved at the required value
  • Thick PTFE layer helps in edge loading

Technical Data

Maximum Specific Load Static 60-200 N/mm2 (8700-29000 psi)
Maximum Specific Load Dynamic 45-120 N/mm2 (6540-17400 psi)
Service Temperature Minimum -200°C (-328°F)
Service Temperature Maximum +180°C (+356°F)
Service Temperature Intermittent +260°C (+500°F)
Maximum Speed Dry 1.5 m/s (300 fpm)
Coefficient of Friction Dry 0.06 - 0.3
Maximum Dry Load Factor Continuous 1.8 N/mm2 · m/s
Surface Resistivity E version PTFE ~105Ω
Surface Resistivity D version PTFE ~1014Ω

Contact Us

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GLOBAL BEARING TECHNOLOGIES S.R.L.

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