GB/T 7308.1-2021 Active National standards

GB/T 7308.1-2021 Plain bearings—Thin-walled half bearings with or without flange—Part 1:Tolerances,design features and methods of test

Publish Date: 2021-03-09 Implement Date: 2021-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7308.1-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Sliding bearing

ICS Name: Sliding bearings

Publish Date: 2021-03-09

Implement Date: 2021-10-01

Publisher: 国家市场监督管理总局、国家标准化管理委员会

Technical Committee: 全国滑动轴承标准化技术委员会(SAC/TC 236)

Pages: 24 pages

Scope

GB/T 7308的本部分规定了外径Do至250 mm整体式有法兰薄壁轴瓦和外径Do至500 mm无法兰薄壁轴瓦的公差、结构要素和检验方法。由于结构设计的变化，轴瓦尺寸不做统一规定。
符合本部分的轴瓦主要用于往复式发动机，轴瓦由钢背及其内侧的一层或多层轴承合金组成。
在往复式发动机上，有法兰轴瓦与无法兰轴瓦可同时使用。
可以采用无法兰轴瓦与符合GB/T 10447的两个半圆止推垫圈(止推片)一起，或组合式法兰轴瓦，替代整体式法兰轴瓦。
注：所有尺寸及公差单位为毫米。

Development Information

Drafting Units:

中机生产力促进中心、烟台大丰轴瓦有限责任公司、湖北安达精密工业有限公司、宁波轴瓦厂、杭州轴瓦石家庄有限公司、成都圣三强铁路配件有限公司、临安东方滑动轴承有限公司

Word Count: 46 Thousand words Pages: 24 pages

Same series standard

GB/T 7308.2-2021 Plain bearings—Thin-walled half bearings with or without flange—Part 2:Measurement of wall thickness and flange thickness GB/T 7308.3-2021 Plain bearings—Thin-walled half bearings with or without flange—Part 3:Measurement of peripheral length

Replace the following standards

GB/T 7308-2008 Plain bearings—Thin-walled half bearings with or without flange—Tolerances,design features and methods of test

Referenced Standards

GB/T 7308.3-2021 Plain bearings—Thin-walled half bearings with or without flange—Part 3:Measurement of peripheral length 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 GB/T 10610-2009 Geometrical Product Specifications(GPS)—Surface texture:Profile method—Rules and procedures for the assessment of surface texture

Adopt standards

ISO 3548-1:2014

Related Standards

GB/T 7308-1987 Replaced

GB/T 7308-1987 Plain bearings—Thin-walled flanged half bearings—Dimensions, tolerances and methods of checking

Publish Date: 1987-02-24

GB/T 3162-1991 Replaced

GB/T 3162-1991 Plain bearings—Thin-walled bearing shells—Dimensions, structure elements and tolerances

Publish Date: 1991-04-30

GB/T 12948-1991 Replaced

GB/T 12948-1991 Plain bearings—Metallic multilay er plain bearings—Destructive testing of bond for bearing metals

Publish Date: 1991-06-01

GB/T 12949-1991 Abolished

GB/T 12949-1991 Plain bearings—Bimetallic bushes with plastic overlay

Publish Date: 1991-06-04

GB/T 13345-1992 Replaced

GB/T 13345-1992 General technical requirement of oil film bearing for rolling mill

Publish Date: 1992-01-07

GB/T 14910-1994 Replaced

GB/T 14910-1994 Plain bearings—Requirements on backings for thick-walled multilayer bearings

Publish Date: 1994-02-21