Toughmax Series 4

High Strength Copper Alloy Bushings with Solid Lubricant Plugs
Key Features
  • Maintenance-free bearing material for heavy duty applications
  • Customisable plug design for rotating, oscillating or reciprocating motion
  • Available with the Enviro-Plug or Oilmax plug options
  • Suitable for temperatures up to 250°C/480°F
  • Highest Wear resistance
  • Lowest friction coefficient of Toughmax Series
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Key Features
  • Maintenance-free bearing material for heavy duty applications
  • Customisable plug design for rotating, oscillating or reciprocating motion
  • Available with the Enviro-Plug or Oilmax plug options
  • Suitable for temperatures up to 250°C/480°F
  • Highest Wear resistance
  • Lowest friction coefficient of Toughmax Series

Operating Performance

Dry
Good
Oil Lubricated
Good
Grease Lubricated
Good
Fresh Water
Conditional
Salt Water
Conditional

Bearing Properties

Metric Imperial
Physical PropertiesConditionUnitValue
Maximum Recommended PressureSlidingpsi4641
Operating temperatureMin°F-148
Operating temperatureMax°F482
Maximum sliding speedDryfpm98
Maximum sliding speedLubricatedfpm197
Maximum PV factorDrypsi x fpm71300
Maximum PV factorLubricatedpsi x fpm142500
Coefficient of frictionDryF0.06 – 0.08
Coefficient of frictionLubricatedF0.04 – 0.08

Mating Material Recommendations

Physical Properties Unit Value
Surface roughness µm <0.4-1.0
Surface Hardness HB >600

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Bronze Bearing Fitment & Lubrication

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Heavy Equipment Bushing Book 2020

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