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This specification covers basic characteristics required for porous laminated epoxy materials intended for use as instrument and thin-section ball-bearing retainers (cages), as well as the methods of determining these characteristics. It provides guidance with respect to material and test conditioning, performance, verification, and packaging and package marking.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1.1 This specification covers basic characteristics required for porous laminated Epoxy materials intended for use as instrument and thin-section ball-bearing retainers (cages) and the methods of determining these characteristics.
1.2 Forms—Sheets and Rolled Tubes are recommended forms of laminated material covered by this specification.
1.3 Intended Use—Materials produced to this specification are intended for use as ball bearing retainers (cages). Temperature range is limited to 284°F (140°C) and below
1.4 Units—The 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D229 Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation
D570 Test Method for Water Absorption of Plastics
D618 Practice for Conditioning Plastics for Testing
D695 Test Method for Compressive Properties of Rigid Plastics
D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D2257 Test Method for Extractable Matter in Textiles
E1640 Test Method for Assignment of the Glass Transition Temperature By Dynamic Mechanical Analysis
Federal StandardMIL-STD-129 Military Making for Shipment and Storage
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171518(Bearing cage)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM F3131-14, Standard Specification for Epoxy / Cotton Raw Materials for the Use in Bearing Cages, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top