GOST 18855-2013

ГОСТ 18855-2013

Rolling bearings. Dynamic load ratings and rating life

Подшипники качения. Динамическая грузоподъемность и номинальный ресурс

Status: Effective - Supersedes. IUS 2-2015

The standard establishes a method (method) of measuring the volume flow and volume, reduced to standard conditions, of single-component and multicomponent gases, which are in a single-phase state, using ultrasonic flow transducers. The standard applies to ultrasonic transducers of gas flow with overhead electroacoustic transducers and ultrasonic transducers of gas flow with electroacoustic transducers embedded in its body, and does not apply to subsonic transducers of gas flow with electroacoustic transducers embedded directly into the measuring pipeline. The provisions of the standard are recommended to be used in the development and certification of individual measurement methods for specific systems for measuring gas flow and quantity.

Cтандарт устанавливает методы расчета динамической грузоподъемности подшипников качения в диапазоне размеров, приведенных в соответcтвующих стандартах на типы и размеры, изготовленных из современной, обычно применяемой закаленной подшипниковой стали хорошего качества, в условиях хорошо налаженного производства и имеющих обычную конструкцию и формы контактных поверхностей качения. Стандарт также устанавливает методы расчета номинального ресурса, соответствующего 90 % вероятности безотказной работы при применении широко используемого материала хорошего качества при хорошем качестве изготовления в нормальных условиях эксплуатации. Кроме того, стандарт устанавливает методы расчета модифицированного ресурса с учетом различных значений вероятности безотказной работы, условий смазки, загрязненности смазочного материала и предела усталостной нагрузки подшипника. Стандарт не применим к конструкциям, тела качения в которых воздействуют непосредственно на поверхностивала или корпуса, если эти поверхности не эквивалентны во всех отношениях дорожкам качения колец подшипника, которые они заменяют.

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Format: Electronic (pdf/doc)
Page Count: 56

Approved: Federal Agency for Technical Regulation and Metrology, 11/8/2013

SKU: RUSS73698

Price: $358.48

The Product is Contained in the Following Classifiers:

ISO classifier » 21 MECHANICAL SYSTEMS AND GENERAL PURPOSE DEVICES » 21.100 bearings » 21.100.20 Rolling bearings »

National standards » 21 MECHANICAL SYSTEMS AND GENERAL PURPOSE DEVICES » 21.100 bearings » 21.100.20 Rolling bearings »

National Standards for KGS (State Standards Classification) » Latest edition » G Machines, equipment and tools » G1 General parts and units of machines » G16 Bearings »

National Standards for KGS (State Standards Classification) » Latest edition » G Machines, equipment and tools » G0 General rules and regulations for engineering » G02 Norms of calculation and design »

As a Replacement Of:

GOST 18855-94: Rolling bearings. Dinamic load ratings and rating life

The Document References:

GOST 18854-2013: Rolling bearings. Static load rating

GOST 24955-81: Rolling bearings. Terms and definitions

GOST R ISO 11171-2012: Hydraulic fluid power. Calibration of automatic particle counters for liquids

GOST R ISO 16889-2011: Hydraulic fluid power. Filters. Multi-pass method of transmission of fluid through the filter element for evaluating filtration performance

The Document is Referenced By:

GOST 18572-2014: Rolling bearings. Axle box cylindrical roller bearings for rolling stock. Specification

GOST 32769-2014: Rolling bearings. Taper bearing unit for rolling stock axle boxes. Specification

GOST 33796-2016: Railway multiple units. Durability and dynamics requirements

GOST ISO 15241-2014: Rolling bearings. Symbols for physical quantities

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