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Individual water lubricated bearing staves install around shaft in stern tube or strut. Assembly can be made with shaft in place. Simplifies inspection or bearing replacement. Water grooves provide flushing out of harmful particles—non-pollutant. A very pop- ular bearing available in a full range of shaft sizes up to 36". SPIRAL TUBE DEMOUNTABLE KEEL COOLERS DURAMAX* MARINE PRODUCTS Quality Engineered For Better Performance DEMOUNTABLE RUBBER STAVE BEARINGS RUBBER FENDERING SYSTEMS JM SINGLE TOW-KNEES Quality engineered Duramax Tow-Knee Pusher Plates pro- vide superior protection. These impact absorbing bumpers help give vessels longer and better service life. Choice of steel or aluminum plate. Naval brass shelled Sleeve and Flanged Bearings meet military specification MIL-B-17901A (Ships) Class II Full Molded Type. Non-Metallic Sleeve Bearings have tough thermoset plastic shell making them ideally suited where corrosion or electrolysis is a problem. For extreme shaft loads; demountable staves of nitrile rubber bonded to naval brass bar for dove-tail fit into keyway bronze housing. Housings completely machined to specifications and ready for installation in stern tube. Staves are individually replaceable without removing shaft. Write or Call for Specific Data for Any or All Products DURAMAX MARINE division of The Johnson Rubber Company ®T.M. Reg. PRINTED IN U.S.A. 6-2004-1085 4 Subsidiary of Duramax Inc. DOCK and BOAT BUMPERS Duramax offers of durable rubber tendering for vessels Jt/K^tr and docks including D- r Sections, O-Sections, Rectangular and Wing Types—all featuring built-in absorbing qualities. MADE IN U.S.A. Middlefield, Ohio 44062 U.S.A. Area Code: 216/632-1611 Telex: 21-2564 JRCM UR / Cable: "DURAMAX" Dependable Products For Ships Throughout The World HEAVY DUTY STUFFING BOXES and STERN CASTINGS These curved tow-knees designed for maximum corner protection are engineered to absorb and cushion impact over long periods and varied oper- ating conditions. Their 2-inch quality rubber pad is securely bonded to the plate, assuring long-lasting trouble-free service. Styles available for shaft, bulkhead and rudder ap- plications. Select from bronze, steel or aluminum. "Air-Seal" types feature inflatable rubber ring which seals around shaft, to allow packing change without dry docking. Models with water inlet for bearing lubrication, grease only, or combination water-grease service. A full range of types and sizes including split types are available. METAL BACKED STAVE BEARINGS PRECURVED TOW-KNEES SLEEVE and FLANGED BEARINGS Spiral design of 90-10 Cupro nickel tubes maximize heat transfer. Less corrosion problems. Through-the- hull fittings not needed. Tubes easily replaced if ever damaged. System design permits cooling of gear boxes, hydraulics. Available in units of 4 to 24 tubes in single or double bank. DOUBLE TOW-KNEES ouble your protection plus mounting and weld- ing ease with twin 2 inch thick rubber pads se- curely vulcanized to a single steel or alu- minum plate. Count on tough Duramax Tow-Knees to stand up under rugged operating conditions. Circle 143 on Reader Service Card June, 1986 53
