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Duramax Marine ATOM Johnson Naval Brass Cutless Bearing 7/8" x 1-1/2" x 3-1/2"

Manufacturer

Duramax Marine

<h3>Trusted Marine Engineering Solutions Since 1950</h3><p>Duramax Marine has earned its reputation as a global leader in marine propulsion and protection systems through more than six decades of engineering excellence. Based in Hiram, Ohio, this ISO 9001:2015 certified manufacturer specializes in water-lubricated bearing technology, shaft sealing systems, heat exchange equipment, and impact protection solutions that keep vessels operating reliably in the harshest marine environments.</p><h3>Johnson Cutless: The Gold Standard in Water-Lubricated Bearings</h3><p>At the heart of Duramax Marine's product portfolio is the legendary Johnson Cutless bearing line. These water-lubricated shaft bearings feature a proprietary nitrile rubber polymer formulation bonded to naval brass or non-metallic shells, engineered to support propeller shafts while allowing friction-free rotation. The alternating groove design creates hydrodynamic grit rejection, flushing abrasive particles away from the shaft surface to prevent damage. Johnson Cutless bearings are the only products on the market to meet all MIL-DTL-17901C Class II military specifications and carry full American Bureau of Shipping type approval, making them the bearing of choice for commercial vessels, military craft, and recreational boats worldwide.</p><h3>Advanced Marine Systems Engineering</h3><p>Beyond bearings, Duramax Marine manufactures complete shaft sealing systems including traditional stuffing boxes and modern dripless seal assemblies that prevent water intrusion while maintaining proper lubrication flow. Their heat exchanger systems provide efficient engine cooling in marine applications where reliable thermal management is critical. The company has invested heavily in tribology research—the science of interacting surfaces in relative motion—to develop performance standards that competitors struggle to match. This dedication to research and development ensures that every Duramax Marine product delivers measurable improvements in vessel efficiency, maintenance intervals, and operational longevity.</p><h3>Military-Grade Quality for Every Application</h3><p>Whether protecting a small pleasure craft or a heavy-duty commercial workboat, Duramax Marine products are engineered to the same exacting standards. The company's manufacturing processes include precision machining, dimensional verification using plug gauges and micrometers, and rigorous inspection for blemishes, delamination, and bond integrity. Their extensive distribution network ensures that marine professionals worldwide have access to replacement parts and technical support when they need it most. For boaters and marine engineers seeking components that combine proven performance with environmental responsibility—water-lubricated systems eliminate the need for oil-based lubricants and contamination seals—Duramax Marine represents the pinnacle of modern marine engineering.</p>

Part Number

ATOM
06/02/2036 6:39 PM
Sale Price

$101.97

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Duramax Marine ATOM Johnson Cutless® bearing is a precision-engineered naval brass stern tube bearing designed for reliable propeller shaft support in marine applications. This bearing features a 7/8" shaft diameter, 1-1/2" outer diameter, and 3-1/2" length, making it suitable for a wide range of small to medium marine vessels.

Key Features:

  • Premium naval brass construction for superior corrosion resistance in saltwater and freshwater environments
  • Precision-fitted bore diameter ensures proper shaft clearance for efficient operation and reduced vibration
  • Versatile design adapts to strut bearings, stern tube mounts, rudder stock bushings, and pintle applications
  • Water-lubricated design eliminates the need for grease or oil maintenance
  • Grooved inner surface promotes water flow for continuous cooling and lubrication
  • Durable construction provides extended service life under demanding marine conditions

Johnson Cutless® bearings are the industry standard for propeller shaft support systems, trusted by boat builders and marine mechanics for their reliability and longevity. This bearing is ideal for replacement or new installations on inboard powerboats, sailboats, and small commercial vessels.

Specifications:

  • Inside Diameter (Shaft Size): 7/8"
  • Outside Diameter: 1-1/2"
  • Length: 3-1/2"
  • Material: Naval Brass
  • Lubrication: Water-lubricated

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I needed an expensive part for my outboard motor's steering system, several of the internet sellers should out of stock/back ordered. Boatplicity showed the item in stock. I went on chat and was told the item was available. I paid the extra $9.99 for 2 day delivery. I ordered the $2000.00 item Wed. May 15 2024 at 1:00 pm. Fed Ex rang my door bell the next day at 11:30 am. I received that item less than 24 hours from the time I placed my order. That is as good as it gets !

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