Propeller Shaft & Rudder Bearings

Pacific Marine & Industrial

Manufacturing & Global Distribution: Marine, Industrial & Defense

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Propeller Shaft Bearing and Rudder Bearing
How to Choose A Propeller or Rudder Shaft Bearing and the Differences Between Bearing Types


Cutless Bearings - Cutlass Bearing	Rudder Bearings	Split Roller Propeller Shaft Bearings
From 3/4" to 15" Diameter Shafts	Any size shaft	Intermediate Propeller Shaft Bearing
Propeller Stern Tube or Strut	Nitrile Rubber or Composite Material	Fixed and Expansion
Water Lubricated	Water, Grease, Oil, Self Lubricated	Propeller Roller Bearings


Babbitt Propeller Shaft Bearings	Composite Bearings and Bushings	Demountable Stave Propeller Shaft Bearings
Propeller Intermediate Shaft	Propeller Stern Tube, Strut or Rudder	From 2 1/2 to 35 1/2" Shafts
Propeller Line Shaft	Dimensionally Stable	Standard or Metric
Oil Lubricated	Any Size Shaft or Outside Diameter	Rubber Stave Bearings
	Water or Grease Lubricated	Water Lubricated


Babbitt Stern Tube Propeller Shaft Bearings	Romor I, Class III Propeller Shaft Bearings	Brass Backed Stave Bearings
From 2" to 39" Shafts	Any size shaft	Any size shaft
Standard or Metric	USN / USCG Specification	USN / USCG / Commercial
Steel, Cast Iron or Ductile Iron	Water Lubricated	Water Lubricated
Lined with White Metal
Oil Lubricated

PM&I supplies propeller shaft and rudder bearings in cutless, composite, babbitt, demountable stave, and split roller designs, sized for shafts from 3/4" up to 39" in diameter depending on bearing type. The catalog includes elastomeric and composite bearings (cutless bearings in nitrile rubber or composite material for propeller stern tube, strut, or rudder applications from 3/4" to 15" diameter, water lubricated, and composite/rudder bearings from 2 1/2" to 35 1/2" for propeller stern tube, strut, or rudder use, water or grease lubricated), stave and babbitt bearings (babbitt propeller shaft bearings for intermediate or line shafts, oil lubricated; demountable stave bearings for any shaft size, water lubricated; babbitt stern tube bearings from 2" to 39" in steel, cast iron, or ductile iron lined with white metal, oil lubricated; Romor I Class III stave bearings built to USN/USCG specification, water lubricated; and brass-backed stave bearings for USN/USCG or commercial applications, water lubricated), and split roller bearings for propeller shaft use, sized to any shaft or outside diameter. Bearing selection depends on shaft size, lubrication method, and application — a dedicated guide is available covering how to choose between propeller and rudder shaft bearing types and the differences between designs. Whether you're replacing a cutless bearing, specifying a babbitt stern tube bearing, or sourcing a bearing to Navy or Coast Guard specification, PM&I's propeller shaft and rudder bearing catalog is backed by manufacturing and distribution experience serving marine, industrial, and defense customers worldwide since 1985. Browse the full propeller shaft and rudder bearing catalog above, or contact PM&I directly for engineering support and custom fabrication.