CUTLESS BEARING BRASS 85x105x340MM 2178100113

AED 960.00 exc. VAT

Description

CUTLESS BEARING BRASS 85x105x340MM

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.

Cutless bearings are designed to be water lubricated. The outer shell is manufactures from corrosion resistant naval brass or non-metallic phenolic resin. The inner bearing material is a tough synthetic nitrile rubber specially compounded to give a high resistance to abrasion and wear whilst providing effective noise and vibration damping.

Cutless bearings have a wide spectrum of marine applications, which include propeller shaft bearings in sterntubes or struts, rudder bearings and cutter bearings, in a variety of craft. Besides marine applications, cutless bearings are also used in hydroelectric turbines, centrifugal pumps and other water submersible devices.

The cutless bearing when used in propeller shaft housing provides a structural support with built-in resilience that allows the bearing to yield in sympathy with the bending of the boats structure and thus prevents shaft bearing misalignment or shaft wear. The bearing also reduces vibration and the volume of noise being transmitted into the boat. It also absorbs shock and has an advantage of being almost maintenance free.

The name cutless is derived from the ability of such bearings to pass abrasive materials such as sand and marine organisms across its surface and into the flushing grooves. These abrasive particles do not embed into the bearing surface and cause little cutting and wearing of the shaft.

The flow of water through the bearing dissipates heat and flushes and harmful abrasive substances from the bearing as well as keeping the metal and rubber surfaces apart thereby reducing friction losses. Bearings fitted to struts tend to be self-lubrificated, but it is important that sterntube bearings receive an adequate water supply in order to facilitate optimal performance. The water supply can often be in the form of a bleed-off from the engine cool system.

Brass Cutless bearings 85x105x340mm and non-metallic shelled series bearings are manufactured to suit imperial and metric shafts. Special bearings and sizes can be supplied to suit customers’ requirements.

The product images shown are for illustration purposes only and may not be an exact representation of the product.