This document specifies geometry and inspection dimensions for the design and manufacture of straight (non-helical) side-fitting cylindrical involute splines. Limiting dimensions, tolerances, manufacturing errors and their effects on the fit between connecting coaxial spline elements are defined and tabulated. Linear dimensions are expressed in millimetres and angular dimensions in degrees. The specified diameters for external splines in the geometry tables and the values in the inspection dimen...view more

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This document provides data, guidance and requirements for the inspection of straight (non-helical) side fitting cylindrical involute splines. Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined and tabulated. Linear dimensions are expressed in millimetres and angular dimensions in degrees.

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This document provides the data and indications necessary for the design and manufacture of straight (non-helical) side-fitting cylindrical involute splines. Limiting dimensions, tolerances, manufacturing deviations and their effects on the fit between connecting coaxial spline elements are defined in the formulae and given in the tables. Unless otherwise specified, linear dimensions are expressed in millimetres and angular dimensions in degrees.

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This European standard specifies the requirements when applying material to the active interface between the wheel tread and the crown of the rail and includes trainborne and track side equipment.
This technical specification only covers the equipment and application of material to the active interface.
This document defines:
- the characteristics that systems of top of rail equipment for wheel-rail interface shall achieve, together with applicable inspection and test methods to be carried ou...
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This document describes a methodology for reducing the overall environmental impact through product design and development that is tailored to mechanical products as defined in 3.1.
This methodology is particularly well suited to the redesign of an existing product; it can also be applied for the design of a new product provided the necessary assumptions regarding a (virtual) reference product are taken.
It addresses companies which have decided to integrate an ecodesign approach to optimise...
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This amendment 1 is valid for the following parts of the IEC 60317: Part 2 (1990), Part 3 (1990), Part 4 (1990), Part 10 (1972), Part 12 (1990), Part 14 (1990), Part 15 (1990), Part 16 (1990), Part 17 (1990), Part 18 (1990), Part 19 (1990), Part 20 (1990), Part 21 (1990), Part 22 (1990), Part 23 (1990), Part 24 (1990), Part 26 (1990), Part 28 (1990), Part 29 (1990), Part 30 (1990), Part 35 (1992), Part 36 (1992), Part 37 (1992) and Part 38 (1992).

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This document specifies the requirements for an engine bearing test rig that uses an actual connecting rod to determine plain bearing performance in automotive engines, evaluating fundamental bearing properties such as seizure resistance, wear resistance, fatigue resistance and resistance to the impact of foreign material.

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The document specifies, following ISO 12301, the checking of the inside diameter of wrapped bushes (see ISO 3547‑2:2017, method C) and describes the necessary checking methods and measuring equipment.
NOTE 1 All dimensions in this document are given in millimetres except where otherwise noted/designated.
NOTE 2 The dimensions and tolerances of wrapped bushes are given in ISO 3547‑1.
NOTE 3 Checking of the wall thickness is the subject of ISO 3547‑7.
NOTE 4 Checking of the outside diameter of...
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This document specifies the dimensions and tolerances applicable to sintered bearings for the following ranges of inside diameters:
— cylindrical bearings: 1 mm to 60 mm;
— flanged bearings: 1 mm to 60 mm;
— spherical bearings: 1 mm to 20 mm.

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This document specifies requirements for the accuracy of general-purpose hobs of 0,5 module to 40 module.
These hobs are intended for producing gears which conform to ISO 53 and ISO 54.
This document applies to hobs for spur and helical gears. It applies to solid (monobloc) and inserted blade hobs.
The elemental features of hobs are graded according to accuracy, as follows:
— Grade 4A;
— Grade 3A;
— Grade 2A;
— Grade A;
— Grade B;
— Grade C;
— Grade D.
Grade 4A is the highest order of...
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This document specifies design characteristics for centre flange bearings for the size range 9 to 28, as well as design characteristics for shafts.
It is applicable to centre flange bearings used mainly in electrical and turbo engineering industries.

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This document presents the basic principles of, an introduction to, and the general influence factors for the calculation of the load capacity of spur and helical gears. Together with the other documents in the ISO 6336 series, it provides a method by which different gear designs can be compared. It is not intended to assure the performance of assembled drive gear systems. It is not intended for use by the general engineering public. Instead, it is intended for use by the experienced gear design...view more

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This document specifies a method for the determination of the endurance limit in fatigue of plain strips of multilayer bearing materials. Additionally, it provides the opportunity of studying the influence on the strips of hydraulic pressure and variable temperature.

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This document specifies tolerances on form and position as well as the surface roughness of shafts, flanges and thrust collars as used in plain bearing units. It is applicable to journal or thrust plain bearing units or to a combination of both, installed either horizontally or vertically.
This document is not applicable to crankshaft bearing units in combustion engines.

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This part of IEC 61400 defines standard electrical simulation models for wind turbines and wind
power plants. The specified models are time domain positive sequence simulation models,
intended to be used in power system and grid stability analyses. The models are applicable for
dynamic simulations of short term stability in power systems.
This document defines the generic terms and parameters for the electrical simulation models.
This document specifies electrical simulation models for the ...
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This document specifies in accordance with ISO 12301 the checking of the wall-thickness of thin-walled half bearings with or without flange and describes the necessary checking methods and measuring equipment. It applies to a maximum bearing diameter of 150 mm. It can be applied to a bigger diameter, provided that there is an agreement between the supplier and the user.

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This document specifies an ultrasonic testing method for determining bond defects between the bearing metal and the backing. The test can be performed on metallic multilayer plain bearings consisting of steel- or copper-based material backings lined with bearing metal based on lead and tin, with layer thicknesses greater than or equal to 0,5 mm. For cast iron backings, this document is applicable with restrictions.
The ultrasonic signal reflected by the bond interface between the bearing metal ...
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This document supplements ISO 1328‑1:2013. It provides a code of practice dealing with measurements on flanks of individual cylindrical involute gears, i.e. with the measurement of pitch, profile, helix and tangential composite characteristics. It describes measuring equipment, provides advice for gear measuring methods and for the analysis of measurement results, and discusses the interpretation of results.
Measurements using a double flank tester are not included (see ISO/TR 10064‑2). This do...
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This document specifies requirements for the accuracy of general-purpose hobs of 0,5 module to 40 module. These hobs are intended for producing gears which conform to ISO 53 and ISO 54. This document applies to hobs for spur and helical gears. It applies to solid (monobloc) and inserted blade hobs. The elemental features of hobs are graded according to accuracy, as follows: — Grade 4A; — Grade 3A; — Grade 2A; — Grade A; — Grade B; — Grade C; — Grade D. Grade 4A is the highest order of precision....view more

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This document specifies the dimensional and geometrical characteristics, boundary dimensions and tolerances of insert bearings and eccentric locking collars and the radial internal clearances of insert bearings.

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This document specifies the fundamental formulae for use in tooth bending stress calculations for involute external or internal spur and helical gears with a rim thickness sR > 0,5 ht for external gears and sR > 1,75 mn for internal gears. In service, internal gears can experience failure modes other than tooth bending fatigue, i.e. fractures starting at the root diameter and progressing radially outward. This document does not provide adequate safety against failure modes other than tooth bendi...view more

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This document defines, describes and classifies the characteristics of damage occurring in service to hydrodynamically lubricated metallic plain bearings and journals. It assists in the understanding of the various characteristic forms of damage which can occur.
Consideration is restricted to damage characteristics which have a well-defined appearance and which can be attributed to particular damage causes with a high degree of certainty. Various appearances are illustrated with photographs and...
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ISO 6279:2017 specifies the composition and properties of preferred cast aluminium alloys for use in solid plain bearings. Other alloys can be specified with agreement between the manufacturer and user.

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ISO 3547-4:2017 gives specifications for solid and multi-layer bearing materials, such as those used for wrapped bushes in accordance with the other parts of ISO 3547.

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This document specifies bearing and subunit boundary dimensions for complete single-row and double-row tapered roller bearings. It also specifies the flange dimensions of flanged outer rings for a selection of these bearings. A series designation for each bearing is also specified.

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This document specifies a tensile test method for determination of the bond strength between the bearing metal and the backing. The test can be applied to multilayer plain bearings with bearing metals based on lead, tin, copper or aluminium. For tested layer thicknesses ≥ 2 mm, a raw lining thickness of a minimum additional 1 mm is necessary.
The backings are from steel, cast steel or copper alloys. The bond strength test does not apply to bearings with cast iron backing.
The test applies to a...
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This document establishes a vocabulary of terms, with their definitions, applied in the field of rolling bearings and their technology under ISO Technical Committee TC 4 management.
It includes terms related to all types of rolling bearings wherein the principal degree of freedom is continuous rotation about an axis enabled by an ordered set of rolling elements between two circular raceways such that loads can be transmitted between them in a particular range of radial and/or axial directions. ...
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ISO 23509:2016 specifies the geometry of bevel gears.
The term bevel gears is used to mean straight, spiral, zerol bevel and hypoid gear designs. If the text pertains to one or more, but not all, of these, the specific forms are identified.
The manufacturing process of forming the desired tooth form is not intended to imply any specific process, but rather to be general in nature and applicable to all methods of manufacture.
The geometry for the calculation of factors used in bevel gear ratin...
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This document specifies vibration measuring methods for double-row radial spherical roller bearings
and single-row and double-row radial tapered roller bearings, with cylindrical bore and outside surface
and a contact angle up to and including 45°, under established measuring conditions.

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This document specifies the dimensions and designations of cylindrical and flanged wrapped bushes made of mono and multi-layer bearing material for plain bearing applications.

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ISO 3547-2:2017 specifies the test data for outside and inside diameters of wrapped bushes made of mono and multi-layer bearing material for plain bearing applications. It also specifies test designations.
Since the wall thickness of the bush is measured in the free condition, no special test data are required for this on the drawing (see ISO 3547‑5 and ISO 3547‑6).
NOTE Depending on the manufacturing method, the back of the bushes can show isolated light depressions and, similarly, bushes wit...
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ISO 15242-4:2017 specifies vibration measuring methods for single-row and double-row radial cylindrical roller bearings with cylindrical bore and outside surface, under established measurement conditions.

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This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method NQ.

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This document specifies: — basic principles, testing assembly and the test machine for noise testing of rolling bearing greases; — symbols used in the test methods BQ+, MQ and NQ. This document is applicable for testing rolling bearing greases, especially of unused grease. NOTE Suitable greases are greases of NLGI classes 1 to 3 according to DIN 51818[6]. Suitable greases for lubrication of rolling bearings are especially greases according to ISO 12924. The test method according to this document...view more

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The aim of this document is to achieve designs of plain bearings that are reliable in operation, by the application of a calculation method for oil-lubricated hydrodynamic plain bearings with complete separation of the thrust collar and plain bearing surfaces by a film of lubricant[1]. This document applies to plain thrust bearings with incorporated wedge and supporting surfaces having any ratio of wedge surface length lwed to length of one pad L. It deals with the value lwed/L = 0,75 as this va...view more

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This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method MQ.

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This document specifies the information and standardized conditions necessary for the calculation of the service life (or safety factors for a required life) of gears subject to variable loading for only pitting and tooth root bending strength.
If this scope does not apply, refer ISO 6336-1:2019, Clause 4.

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ISO 15312:2018 defines the thermal speed rating for oil bath lubricated rolling bearings and defines calculation principles for the determination of this parameter. The parameter determined in accordance with this document applies to rolling bearings of the given series and sizes of standard design or of a design that, from a frictional point of view, can be related to a standard design bearing.
In most cases of standard assembly, the permissible temperature determines the maximum operating spe...
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ISO 15:2017 specifies preferred boundary dimensions for radial bearings of the diameter series 7, 8, 9, 0, 1, 2, 3 and 4.

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This document specifies parameters for the hardness testing of compound materials for plain bearings made from steel and bearing metal with bearing metals based on copper and aluminium, manufactured by casting, sintering or bonding. It represents a supplement to the existing ISO publications on hardness testing and, therefore, includes only the extensions and restrictions to be observed compared to those publications.
The measuring method applied depends on the bearing metal layer thickness, it...
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ISO 4378-3:2017 specifies the most commonly used terms relating to lubrication of plain bearings with their definitions and classification.
For some terms and word combinations, their short forms are given, which can be used where they are unambiguous. Self-explanatory terms are given without definitions.

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ISO 4378-1:2017 specifies the most commonly used terms relating to design, bearing materials and their properties of plain bearings with their definitions and classification.
For some terms and word combinations, their short forms are given, which can be used where they are unambiguous. Self-explanatory terms are given without definitions.

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ISO 3547-3:2017 specifies dimensions of lubrication holes, grooves and bore indentations on wrapped bushes made of mono and multi-layer bearing material for plain bearing applications.
NOTE Wrapped bushes with lubrication holes, grooves or bore indentations in accordance with this document can be ordered with dimensions in accordance with ISO 3547‑1 and made from materials in accordance with ISO 3547‑4.

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ISO 10129:2017 establishes a test of the corrosion-resistance of bearing materials to lubricants. It also specifies the most important general principles for carrying out such corrosion testing.

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This document specifies the fundamental formulae for use in the determination of the surface load capacity of cylindrical gears with involute external or internal teeth. It includes formulae for all influences on surface durability for which quantitative assessments can be made. It applies primarily to oil‑lubricated transmissions, but can also be used to obtain approximate values for (slow‑running) grease‑lubricated transmissions, as long as sufficient lubricant is present in the mesh at all ti...view more

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ISO 14104:2017 specifies procedures and requirements for the detection and classification of localized overheating on ground surfaces by chemical etch methods.
The process described in this document is typically used on ground surfaces; however, it is also useful for the detection of surface anomalies that result from post-heat treatment machining such as hard turning, milling and edge breaking (deburring) processes. Surface metallurgical anomalies caused by carburization or decarburization are...
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This document specifies guide values for avoiding damage to thrust-pad bearings in service. The explanation of the symbols as well as examples for calculation are given in ISO 12131-1.

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This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method BQ+.

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