How long does a cutlass bearing last?
Captain. Askinf the question in my own thread. How long does a DE cutlass bearing last before it needs to be replaced. i had mine done in 2014, it’s 6 years/3500 hours since.
Why is it called a cutlass bearing?
He noticed the shaft was not being grooved or worn by the rubber bearing, even in such an abrasive environment. The rubber bearing had, in fact, “cut less” into the shaft surface than the hardwood bearings.
What are cutlass bearings made of?
Johnson Cutless Bearings by Duramax Marine are made from a hard, rubbery substance called nitrile, and are designed with flutes or valleys that improve the flow of water through the bearing, and that also allow the flushing away of any grit or hard material that may start to wear down your shaft.
What is a cutless bearing?
Cutless bearings refer to rubber lined bearings operating with water lubrication on an elasto-hydrodynamic principle. The fluted design of the bearing utilises basis lubrication principles to allow formation of hydrodynamic water wedges at the bearing surfaces by flow of water from the grooves.
How is a cutlass bearing lubricated?
To avoid water pollution, these bearings are generally lubricated by the surrounding water, removing the need for a rear seal. Such bearings, commonly referred to as Cutlass bearings, usually have an inner grooved nitrile rubber lining.
Where can I buy Johnson Duramax Cutlass bearings?
Propeller Depot carries the entire line of standard and metric Johnson Duramax brass cutlass bearings, at the best prices in the marine industry. Order your Johnson Duramax naval brass cutlass bearing today and save now.
Why choose Duramax Cutless propeller bearings?
External brass shells are machined and polished to provide easy fitting. Johnson Duramax cutless propeller shaft bearings use a specially formulated oil and chemical resistant nitrile rubber is securely bonded to the shell.
Where are Duramax Marine bearings made?
Duramax Marine is the world’s largest supplier of marine bearings, and each is made in the United States of America. Propeller Depot offers the lowest pricing on all Duramax Brass metric inch cutless bearings.