The following are the Specifications for typical materials used in the fabrication of Cosmec Bearings:
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Steel: ASTM A709 Grade 36, Grade 50 & Grade 50W.
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Stainless Steel: ASTM A240 Type 304 & Type 316.
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PTFE: ASTM D4894.
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Brass Sealing Rings: ASTM B36, Half-Hard Temper.
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Rubber: Neoprene – 50, 60 & 70 Durometer
Natural Rubber: 50, 55 & 60 Durometer
All per AASHTO M 251 Specifications.
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Bronze: MANY - See Cosmec XL™ Self-Lubricating Bearings in Products Section of website.
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Polyether Urethane Discs: Per AASHTO Specifications or State DOT mandated Specifications.
