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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.
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 StandardsEN843-1 Advanced Technical Ceramics--Monolithic Ceramics--Mechanical Properties at Room Temperature, Part 1, Determination of Flexural Strength ENV843-5 Advanced Technical Ceramics--Monolithic Ceramics--Mechanical Properties at Room Temperature, Part 5, Statistical Analysis
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
ASME StandardB46.1 Surface Texture (Surface Roughness, Waviness, and Lay)
JIS StandardsR1601 Testing Method for Flexural Strength (Modulus of Rupture) of High Performance Ceramics R1607 Testing Method for Fracture Toughness of High Performance Ceramics
ICS Number Code 21.100.20 (Rolling bearings)
UNSPSC Code 31171541(Bearing roller)
ASTM F2730 / F2730M-14, Standard Specification for Silicon Nitride Cylindrical Bearing Rollers, ASTM International, West Conshohocken, PA, 2014, www.astm.orgBack to Top