21.100 - Bearings
Bearings
Lager
Paliers et roulements
Ležaji
General Information
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.
- Draft15 pagesEnglish language
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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.
- Standard14 pagesEnglish language
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- Standard10 pagesEnglish language
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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.
- Standard15 pagesEnglish language
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- Standard10 pagesEnglish language
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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...view more
- Standard11 pagesEnglish language
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- Standard6 pagesEnglish language
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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.
- Standard9 pagesEnglish language
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- Standard5 pagesEnglish language
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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.
- Standard9 pagesEnglish language
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- Standard5 pagesEnglish language
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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.
- Standard10 pagesEnglish language
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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 ...view more
- Standard13 pagesEnglish language
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- Standard9 pagesEnglish language
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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...view more
- Standard59 pagesEnglish language
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- Standard53 pagesEnglish language
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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.
- Standard34 pagesEnglish language
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- Standard29 pagesEnglish language
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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. ...view more
- Standard436 pagesEnglish, French, German and Russian language
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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.
- Standard15 pagesEnglish language
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- Standard11 pagesEnglish language
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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.
- Standard42 pagesFrench language
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- Standard41 pagesEnglish language
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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...view more
- Standard17 pagesEnglish language
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- Standard13 pagesEnglish language
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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.
- Standard12 pagesEnglish language
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- Standard8 pagesFrench language
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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...view more
- Standard15 pagesEnglish language
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- Standard10 pagesEnglish language
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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.
- Standard9 pagesEnglish language
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- Standard5 pagesEnglish language
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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.
- Standard16 pagesEnglish language
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- Standard11 pagesFrench language
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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.
- Standard6 pagesEnglish language
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- Standard2 pagesEnglish language
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This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method MQ.
- Standard19 pagesEnglish language
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