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1.1 This specification covers the establishment of the basic quality, physical/mechanical property, and test requirements for silicon nitride rollers Classes I, II, and III to be used for cylindrical roller bearings.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
CEN StandardsEN 843-1 ENV 843-5
JIS StandardsR 1601 Testing Method for Flexural Strength (Modulus of Rupture) of High Performance Ceramics
C1161 Test Method for Flexural Strength of Advanced Ceramics at Ambient Temperature
C1421 Test Methods for Determination of Fracture Toughness of Advanced Ceramics at Ambient Temperature
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171541(Bearing roller)
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ASTM F2730 / F2730M-18a, Standard Specification for Silicon Nitride Cylindrical Bearing Rollers, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top