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Standard Specification for Phenolic Raw Materials for the Use in Bearing Cages
Přeložit název
NORMA vydána dne 15.1.2021
Označení normy: ASTM F2953-12(2021)
Datum vydání normy: 15.1.2021
Kód zboží: NS-1017169
Počet stran: 7
Přibližná hmotnost: 21 g (0.05 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
ball bearing cage, ball bearing separator, fabricated, laminated, phenolic, plastic,, ICS Number Code 21.100.20 (Rolling bearings)
1. Scope | ||||||||||||
1.1?This specification covers basic characteristics required for porous laminated phenolic materials intended for use as instrument and thin-section ball-bearing retainers (cages) and the methods of determining these characteristics. 1.2?FormsSheets, rolled tubes, molded tubes, and rods are recommended forms of laminated material covered by this specification. 1.3?Intended UseMaterials produced to this specification are intended for use as ball-bearing retainers (cages). Temperature range is limited to 250 ?F (117 ?C) and below. 1.4?UnitsThe values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.5?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||||||||||||
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