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pecifications of Dollars in Upkeep Problem of bearing renewal and shaft reclining is solved for marine industry BEARING made of soft rubber! Perhaps your first though would be that rubber hasn’t enough strength for such strenuous ‘service. But give the matter a little more thovent. Rubber can carry--an astonishing load. Everyone has seen a solid truck tire, with only a small part of its surface touching the road, carrying tons of weight, with deflection hardly perceptible. Everyone has seen a tire spin ona wet street car track. The coefficient of friction of rubber 1n contact with ABOVE :—Port shaft, struts and propeller of seagoing hopper-dredge. Goodrich Cutless Bearings are used in both struts. This dredge also equipped with Goodrich Cutless Pintle Bearings. metal, when wet, is extremely low. We’ve all seen steel skid chains worn out in a few hundred miles while tires, made of soft,. tough rubber, run for many thousands of miles. And this long wearing quality of rubber, when compounded in the right way, has been proved again by the Goodrich Cutless bearing. In vessels of every type, freight and passenger steamers, large yachts, dredges, tugs, ferryboats, as well as in small cruisers and runabouts, Cutles Bearings ee Another B. F. Goodrich Product MARINE REview—April, 1931 Goodrich Cutless bearings have demonstrated their economy. In some cases they have outworn all other types previously used by ten or twelve to one! Three important words in the specifications are ‘“Goodrich Cutless Bearings.”’ Would you like to have further information about them? We have a booklet giving full en- gineering data which we’ll be glad to send. Write to The B. F. Good- rich Rubber Co., (Est. 1870), Akron, Ohio. BELOW: — Hard, sharp particles of sand or grit are pressed down into rubber of the bearing, rolled (not dragged) into one of these grooves and washed right out. Neither bearing nor shaft 1s harmed. |