Slide bearings

maintenance free slide bearings

Series WU

Main characteristics

  • self-lubricating
  • maintenance free for low sliding speed
  • low mechanical wear and exellent operating life
  • low static and dynamic coefficient of friction
  • high resistance against corrosion


Structure

  • zinc-coated backside
  • porous layer of sintered bronze
  • PTFE and lead sliding layer


Technical Data

  • Stat. 280N/mm²
  • Temperture -195 °C – +280 °C


Fitting tolerances

  • housing H7
  • shaft up to Ø 55 f7 over Ø 55 h8


Assembling instructions

  • The edges of the mounting hole and the shaft must be
    chamfered.
  • It is recommended to use an arbour press.
  • Please avoid damaging the sliding surface.
  • The buttjoint
    should not be in load direction.


Lubrication

  • not allowed

 

self-lubricating slide bearings

Series WG

Main characteristics

  • self-lubricating/maintenance free
  • for low sliding speed
  • low abrasion
  • long lifetime
  • high resistance against corrosion
  • non-sensitive against impact load
  • low friction


Structure

  • highly wear-resistant bronze with depots for solid lubricants


Technical data

  • stat. surface pressure 100N/mm²
  • temperature range -40 °C to +300 °C


Fitting tolerances

  • housing H7
  • shaft high load d8
  • shaft low load e7
  • shaft high precision f7
  • shaft surface max. Rz 1,6


Assembling instructions

  • The edges of the mounting hole and the shaft must be
    chamfered.
  • It is recommended to use an arbour press.
  • Please avoid damaging the sliding surface.


Lubrication

  • Lithium based grease

 

 

Low maintenance slide bearings

Series WX

Main characteristics

  • for rotating and oscillating applications
  • low maintenance
  • long maintenance rates
  • low wear
  • good damping behaviour
  • no water absorption


Structure

  • copper plated steel backside
  • porous layer of sintered bronze
  • void filling and conversion coating : resin of acetal


Technical data

  • Sliding surface pressure stat. 250N/mm²
  • Temperture: -40°C - +130°C


Fitting tolerances

  • Housing H7
  • Shaft h8


Assembling instructions

  • The edges of the mounting hole and the shaft must be chamfered
  • It is recommended to use an arbour press
  • Please avoid damaging the sliding surface
  • The buttjoint should not be in load direction


Lubrication

  • Lithium based grease without MoS2-additives

 

maintenance required slide bearings

Series WB

Main characteristics

  • high load capacity
  • high terminal conductivity
  • high chemical resistance


Structure

  • Bronze CuSn8 with lubrication pockets


Technical data

  • Sliding surface pressure stat. 120 N/mm²
  • Sliding surface pressure dyn. 40 N/mm²


Fitting tolerances

  • Housing H7
  • Shaft E7 or F7


Assembling instructions

  • The edges of the mounting hole and the shaft must be chamfered
  • It is recommended to use an arbour press
  • Please avoid damaging the sliding surface
  • The buttjoint should not be in load direction


Lubrication

  • is absolutely necessary in order to protect the sliding surface against corrosion und to guarantee correct running

 

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