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Item Details
Part#: Part#: WC16DU
Item#: 102001916
Manufacturer: Garlock Bearings LLC
Weight: 0.013 lbs.
Product Name: DU® Self-Lubricating Washer
Description: 18 mm ID x 32 mm OD x 1.45 mm Thick DU® Self-Lubricating Washer
Price: $3.12
Inventory: In stock
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Inch/MetricMetricI.D.18 mm
Thickness [Min]Thickness [Max]
Thickness1.45 mmMaterialDU® Self-Lubricating
O.D. [Min]O.D. [Max]
O.D.32 mmP Value [Max]
PV Value [Max]Temperature Range [Min]
Temperature Range [Max]V Value [Max]
I.D. ToleranceO.D. Tolerance
Thickness ToleranceActual I.D. [Min]
Actual I.D. [Max]Actual I.D.
Actual O.D. [Min]Actual O.D. [Max]
Actual O.D.  

Product Information
DU bearings combine the advantages of many conventionally lubricated, metallic plain bearings-particularly high load capacity and dimensional rigidity-with the design freedoms of self-lubricating materials, including the ability to operate successfully well beyond the scope of conventional lubricants.
  • Agricultural equipment
  • Off-highway, truck, and automotive
  • Aviation
  • Business machines
  • Garden, lawn, and outdoor equipment
  • Hydraulics and values
  • Home applicances and consumer goods
  • Materials handling
  • Medical and dental
  • Marine and outdoor equipment
  • Packaging
  • Recreational vehicles
  • Railway equipment
  • Textile equipment
  • Tools
  • Features
  • Steel backing gives DU its exceptionally high load carrying capacity; thin, compact design; excellent heat dissipation; and dimensional and structural rigidity.
  • Porous bronze innerstructure: This comprises a nominal 0.010" (0.25 mm) thick layer of carefully sized bearing quality bronze powder which is sintered onto the steel backing. This porous structure is impregnated with a homogeneous mixture of PTFE (polytetrafluoroethylene) and lead. In addition to providing maximum thermal conductivity away from the bearing surface, this unique bronze innerstructure also serves as a reservoir for the PTFE-lead mixture.
  • PTFE-lead overlay: This low friction overlay, approximately 0.001" (0.025 mm) thick, provides an excellent initial transfer film which effectively coats the mating surface of the bearing assembly, forming an oxide type solid lubricant film. As this film is depleted, the relative motion of the mating surface continues to draw material from the porous bronze layer. When conditions are severe, the feed of lubrication is increased. The peaks of porous bronze coming in contact with the mating surface generate localized heat and, due to the high thermal expansion rate of the PTFE, force additional lubricant to the bearing surface. The relative motion of the mating parts wipes the lubricant over the interface, continuously restoring the low friction surface film.
  • Loads - P: dynamic pressures up to 20,000 psi (140 N/mm2) ensuring high load carrying capacity and excellent resistance to shock loading
  • Speeds – V: Speeds up to 1,000 ft/min (5m/s) without lubrication; 2,000 ft/min (10 m/s) with lubrication
  • PVs to 50,000 psi-ft/min (1.75 N/mm2 x m/s) for continuous operation, 100,000 psi-ft/min (3.50 N/mm2 x m/s) for short-term use. In actual operation, DU bearings have been successfully used at levels which approach 3,000,000 psi-ft/min (105 N/mm2 x m/s) lubricated.
  • Temperatures from -328 °F to 536 °F (-200 °C to 280 °C) making it suitable for use in applications well beyond the scope of most liquid lubricants
  • Ideal for all types of rotating, oscillating, sliding motion, and both radial and thrust loading
  • Can be used totally dry, fully lubricated, or with intermittent lubrication and can be used in the presence of many industrial liquids

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