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  • Aluminum-Alloy Bearings
    and conformability. For automotive use, considerable improvement in antiscoring characteristics and embeddability is obtained by using a thin-lead babbitt or electrodeposited lead-tin overlay. Aluminum bearing alloys are used either as solid cast material or as aluminum strips (normally from 0.02 to 0.125
  • Bronze and Copper-Alloy Bearings
    to copper to tailor an alloy for user requirements based on load capacity, bearing strength, hardness, wear resistance, and fatigue strength. Compared with the softer babbitts, copper-alloy bearings provide greater load capacity, better high-temperature operation, greater wear resistance, but poorer
  • Bearing Wear
    and self-lubricated bearings wear much faster than fluid-film bearings. Self-lubricating plastic bearings wear at higher rates than boundary-lubricated, metal-alloy bearings. In reciprocating load application, babbitts are subject to fatigue damage in which pieces of the babbitt metal spall out of the surface
  • Bearings take the heat
    alloyed with a metal such as copper, babbitt, bronze, or nickel. Speed and load limits are set by a conventional = bearing load in psi and = shaft speed in surface ft/min. is about 12,000 for dry operation
  • Tin
    Tin is characterized by a low-melting point (450 F), fluidity when molten, readiness to form alloys with other metals, relative softness, and good formability. The metal is nontoxic, solderable, and has a high boiling point. The temperature range between melting and boiling points exceeds

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