GB/T 7308.1-2021Plain bearings - Thin-walled half bearings with or without flange - Part 1: Tolerances, design features and methods of test (English PDF)
滑动轴承 有法兰或无法兰薄壁轴瓦 第1部分:公差、结构要素和检验方法
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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 7308.1-2021 is the English-translated version of 滑动轴承 有法兰或无法兰薄壁轴瓦 第1部分:公差、结构要素和检验方法.
GB/T 7308.1-2021 is the Chinese standard "Plain bearings - Thin-walled half bearings with or without flange - Part 1: Tolerances, design features and methods of test".
Its scope clause reads: This part of GB/T 7308 stipulates that the outer diameter of Do to 250mm is integral with flanged thin-walled bearings and the outer diameter of Do to 500mm cannot be Tolerances, structural elements and inspection methods of blue thin-walled bearings.
Due to changes in structural design, the size of the bearing bush is not uniformly specified. Bearings that comply with this section are mainly used for reciprocating engines, and the bearing is composed of a steel back and one or more layers of bearing alloys inside.
On reciprocating engines, flanged bearings and flangeless bearings can be used at the same time. The flangeless bearing can be used together with two semicircular thrust washers (thrust plates) conforming to GB/T 10447, or a combined flange bearing, Replace the integral flange bearing.
Note. All dimensions and tolerances are in millimeters. Its clauses include symbols.
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Document preview — GB/T 7308.1-2021
National Standard of the People's Republic of China
- Classification
- J 12
Issued by: State Administration for Market Regulation, China National Standardization Administration
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 symbols
1 Scope
This part of GB/T 7308 stipulates that the outer diameter of Do to 250mm is integral with flanged thin-walled bearings and the outer diameter of Do to 500mm cannot be
Tolerances, structural elements and inspection methods of blue thin-walled bearings. Due to changes in structural design, the size of the bearing bush is not uniformly specified.
Bearings that comply with this section are mainly used for reciprocating engines, and the bearing is composed of a steel back and one or more layers of bearing alloys inside.
On reciprocating engines, flanged bearings and flangeless bearings can be used at the same time.
The flangeless bearing can be used together with two semicircular thrust washers (thrust plates) conforming to GB/T 10447, or a combined flange bearing,
Replace the integral flange bearing.
Note. All dimensions and tolerances are in millimeters.
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 7308.3 Sliding bearing has flange or flangeless thin-walled bearing part 3.Circumference measurement (GB/T 7308.3-2021,
ISO 3548-3.2012, MOD)
GB/T 10447 Plain bearing semicircular thrust washer elements and tolerances (GB/T 10447-2008, ISO 6526.1983, IDT)
GB/T 10610 Product Geometric Technical Specification Surface Structure Profile Method Rules and Methods for Evaluating Surface Structure (GB/T 10610-2009, ISO 4288.1996, IDT)
3 symbols
See Figure 1, Figure 2 and Table 1. […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 44 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 7308.3Plain bearings - Thin-walled half bearings with or without flange - Part 3: Measurement of peripheral length
- GB/T 7308.3-2021Plain bearings - Thin-walled half bearings with or without flange - Part 3: Measurement of peripheral length
- GB/T 10447Plain bearings -- Pressed bimetallic half thrust washers -- Features and tolerances
- GB/T 10447-2008Plain bearings -- Pressed bimetallic half thrust washers -- Features and tolerances
- GB/T 10610Geometrical product specifications (GPS) -- Surface texture: Profile method -- Rules and procedures for the assessment of surface texture
- GB/T 10610-2009Geometrical product specifications (GPS) -- Surface texture: Profile method -- Rules and procedures for the assessment of surface texture
ISO 3548 · ISO 6526.1983 · ISO 4288.1996
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Related Standards
GB/T 10447-1989 — Plain bearings--Pressed bimetallic half thrust washers--Features and tolerances
GB/T 10447-2008 — Plain bearings -- Pressed bimetallic half thrust washers -- Features and tolerances
GB/T 10610-1998 — Geometrical Product Specifications (GPS)-Surface texture: Profile method--Rules and procedures for the assessment of surface texture
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