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GB/T 7308.2-2021Plain bearings - Thin-walled half bearings with or without flange - Part 2: Measurement of wall thickness and flange thickness (English PDF)

滑动轴承有法兰或无法兰薄壁轴瓦第2部分:轴瓦壁厚和法兰厚度测量

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 9, 2021

Implementation date

October 1, 2021

Scope

GB/T 7308.2-2021 is the English-translated version of 滑动轴承有法兰或无法兰薄壁轴瓦第2部分:轴瓦壁厚和法兰厚度测量.

GB/T 7308.2-2021 is the Chinese standard "Plain bearings - Thin-walled half bearings with or without flange - Part 2: Measurement of wall thickness and flange thickness".

Its scope clause reads: According to GB/T 27939, this part of GB/T 7308 specifies the wall thickness and flange thickness of thin-walled bearings with flanges or without flanges.

Measure, and explain the required measuring methods and measuring equipment. This section applies to thin-walled bearings with flanges with an outer diameter of Do to 250mm or thin-walled bearings without flanges from an outer diameter of Do to 500mm. Its clauses include terms and definitions.

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Document preview — GB/T 7308.2-2021

National Standard of the People's Republic of China

Classification: J 12

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references

1 Scope

According to GB/T 27939, this part of GB/T 7308 specifies the wall thickness and flange thickness of thin-walled bearings with flanges or without flanges.

Measure, and explain the required measuring methods and measuring equipment.

This section applies to thin-walled bearings with flanges with an outer diameter of Do to 250mm or thin-walled bearings without flanges from an outer diameter of Do to 500mm.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 7308.1 Thin-walled bearings with flanges or without flanges for sliding bearings-Part 1.Tolerances, structural elements and inspection methods (GB/T 7308.1-2021, ISO 3548-1.2014, MOD)

GB/T 27939 Quality control technology and inspection of sliding bearing geometry and material quality characteristics (GB/T 27939-2011,

ISO 12301.2007, IDT)

3 Terms and definitions

The following terms and definitions apply to this document.

3.1 Wall thickness

The radial distance between the corresponding measuring points on the inner and outer surfaces of the bearing shell at 90° from the opposite surface (top) (see Figure 1).

Figure 1 Bearing wall thickness s3

3.2 Flange thickness

The axial distance between the inner and outer end faces of the flange (see Figure 2). […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 3548 · ISO 12301.2007

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