L2 Marine for Water Lubricated Propeller Shaft Bearings

Workboat L2 Marine material exclusively available from ACM Bearings Ltd has been specifically developed for the requirements of brown water lubricated propeller stern shaft bearing applications in river boats and work boats; offering a maintenance free 'Fit and Forget Bearing Solution'.

L2 Marine has been tested for stern tube bearing applications and has been proven to offer superior performance in terms of wear, extended life and low shaft wear over other water lubricated propeller shaft bearing materials.

The material is available as finish machined bearings or in billet form for final machining in the ship yard.

The excellent bearing performance of L2 Marine coupled with its superior physical characteristics offers shipyards and ship owners operating in harsh conditions many advantages…

Benefits of L2 Marine for Propeller Shafts Workboat

Workboat Propeller

  • High load capability

  • Very low stick - slip

  • Short delivery time (repair 48 hours)

  • Good elasticity

  • Dry, oil, grease, water operation

  • Can be freeze fitted

  • Very low swell

  • Low wear characteristics - long life

  • Maintenance free

  • Good dimensional stability

  • Competitive price

    • PropertyValue
    Compressive strength (flatwise)375 N/mm2
    Compressive Strength (edgewise)150 N/mm2
    Impact Strength (flatwise)100 kJ/m2
    Shear Strength137 N/mm2
    Density1.30 g/cc
    Hardness (Rockwell M)110
    Coefficient of Friction (dry)0.15
    Maximum Operating Temperature140 °C
    Thermal Expansion Coefficient5.0 x 10-5 /°C
    Swell in Water (ambient)<0.15%
    Wear Rate (@ 10 N/mm21.11 x 10-16

    (Material characteristics are nominal and are not guaranteed minima)
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