When should I replace my cutlass bearings?

Registered. There is no “hour rule” for a cutlass bearing. As CapnRon and jsaronson say, it depends on whether there is play in the bearing. A tip – If the boat is freshly hauled and the bearing is still wet, it may have no play and still need replacement.

How much play should a cutlass bearing have?

In terms of mils, there are 1000 mil/in, so ~4 mils/1 mm. If you get a feeler gauge, and can slide a 5 mil feeler gauge or thicker shim between the bearing and the shaft, your at the end of the bearing and it should be replaced. 4 mil or less is best. But, as others have said though, ideally no play is desired.

How long should a cutlass bearing last?

We generally keep our boats 10-14 years and have never had a cutlass bearing fail. Keep your props tuned, don’t strike submerged objects, and they will last a long time.

What is a skeg bearing?

Skeg Marine Bearings are stocked and offered by Associated Gaskets in a wide range of sizes. Our Skeg Bearings are all manufactured from a specialised phenolic resin that is reinforced with a woven synthetic fibre and have been proven to offer outstanding performance and a long service life.

How long do cutlass bearings last?

How long do cutless bearings last?

Why is a skeg called a skeg?

This somewhat beard-like sternward extension of the keel is the basic skeg. Subsequently, the lowest pintle was commonly mounted below the rudder on a metal extension of the keel. This helped further stabilize and protect the rudder and the name skeg was transferred to it.

What is the point of a skeg?

The skeg of your outboard or stern drive motor serves two highly important functions. The skeg acts as a precise rudder, allowing the motor to turn your boat accurately and safely. This function is especially needed by high performance boats such as bass boats where on plane the skeg plays a critical role in steering.

What is a cutless bearing?

Cutless bearings refer to rubber lined bearings operating with water lubrication on an elasto-hydrodynamic principle. 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.

Can a shaft be removed from a cutlass bearing?

The Catalina 34 organization owns one such tool. These tools work well and don’t require the shaft be removed, a big plus and huge time and cost saver. Occasionally when a bearing has been installed for a while they can become frozen or corroded in place.

How to remove a Duramax Johnson Cutless bearing?

These instructions focus on the removal of a cutless bearing once the prop shaft has been removed. Step 1) Remove the Set Screws (if your strut has set screws). You may need to clean around the screw, as crud and growth may have built up over time. If your strut has no screws, move on to step 2).

What kind of material are Johnson Cutless bearings made out of?

The outer shell of Johnson Cutless Bearings either come in naval brass, or in a non-metallic, fiberglass material, appropriate for when aluminum struts or stern tubes can cause corrosion. What Advantages Do Duramax Johnson Cutless Bearings Have Over Other “Cutlass Bearings”?

How long does it take to install a Cutless bearing?

The Cutless® bearing fit perfectly and went in without issue. To save $8.99, the customer spent an additional $275.00, inclusive of multiple trips by me to his boat, for a removal & re-installation, that should have taken less than 2 hours in total.