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GB/T 27939-2011Plain bearings -- Quality control techniques and inspection of geometrical and material quality characteristics (English PDF)

滑动轴承几何和材料质量特性的质量控制技术和检验标准

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Issued by

Standardization Administration of China

Level / Type

National · Recommended

Issue date

December 30, 2011

Implementation date

October 1, 2012

Scope

GB/T 27939-2011 is the English-translated version of 滑动轴承几何和材料质量特性的质量控制技术和检验标准.

GB/T 27939-2011 — This standard defines the quality geometric and material properties of the following types of quality control techniques and bearing inspection. --- In line with ISO 3548 as specified in the thin-walled metal flanged and flangeless bush; S3.Do --- more than half of manufacturing and the need for exchange of the total thickness of the outer diameter of > 0.11 flanged and flangeless thick-walled metal bush; --- In line with ISO 3547 series of standards specified volume bushes; --- By a single or multiple layers of material, no more than the outer diameter Do flanged and flangeless integral metal sleeve of 230mm; --- Di<=200mm inner diameter of flanged and flangeless overall thermoplastic sleeve; --- In line with ISO 6525 ISO 6526 as specified in a full circle and half thrust washers and; --- In line with ISO 2795 sintered bushes.

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Document preview — GB/T 27939-2011

National Standard of the People's Republic of China

ICS: 21.100.10
Classification: J 12

Issued by: Standardization Administration of China

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the following types of sliding bearings geometrical and material quality characteristics of quality control techniques and inspection: Conforms to ISO 3548 as specified in the metal thin-walled flanged and flangeless bearing, manufacture and require half the total thickness of the swap diameter ratio of S3: Do> O. 11 of flanged and flangeless metal thick bush, meet ISO 3547 series of standards set forth Wrapped bushes, by a single layer or multi-layer material, the outer diameter Do not greater than 230 mm of flanged and flangeless solid metal bushings, D1 �� 200 mm in diameter flanged and flangeless overall thermoplastic sleeve, comply with ISO 6525 and ISO 6526 as specified in the whole circle and half thrust washers, comply with ISO 2795 sintered bushings.

Document data

International classification (ICS): 21.100.10.

Chinese classification (CCS): J12.

Estimated length of the Chinese original: 41,450 words.

Adopted international standard: ISO 12301-2007, IDT.

Standards quoted by this document

ISO 2178; ISO 2795; ISO 3274; ISO 3543; ISO 3547-1; ISO 3547-2; ISO 3547-3; ISO 3547-4; ISO 3547-5; ISO 3547-6; ISO 3547-7; ISO 3548; ISO 4287; ISO 4288; ISO 4378-1; ISO 4384-1; ISO 4384-2; ISO 4386-1; ISO 4386-2; ISO 4386-3; ISO 6524-1992; ISO 6625; ISO 6626; ISO 6691

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 27 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 2178 · ISO 2795 · ISO 3274 · ISO 3543 · ISO 3547

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