JB/T 9749.2-2008
Internal combustion engines.Bearings.Part1:Bearings with precision plating anti-friction overly.Examination specification (English Version)

Standard No.

JB/T 9749.2-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Machinery

Latest

JB/T 9749.2-2008

Replace

JB/T 9763-1999

Scope

This part of JB/T 9749 specifies the terms, codes, requirements, inspection methods and inspection rules for precision electroplated anti-friction layer bearings of internal combustion engines. This section is applicable to the quality inspection of precision electroplated anti-friction bearing bushes (hereinafter referred to as bearing bushes) of reciprocating internal combustion engines with a cylinder diameter within 200mm.

JB/T 9749.2-2008 Referenced Document

• GB/T 1151 Specifications for main bearing bushes and connecting rod bearing bushes of internal combustion engines*， 2023-05-23 Update
• GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)*， 2013-02-15 Update

JB/T 9749.2-2008 history

• 2008 JB/T 9749.2-2008 Internal combustion engines.Bearings.Part1:Bearings with precision plating anti-friction overly.Examination specification
• 1999 JB/T 9763-1999 Internal combustion engines.Bearing with precision plating anti-friction overlay.Examination specifications

JB/T 9749.2-2008 Internal combustion engines.Bearings.Part1:Bearings with precision plating anti-friction overly.Examination specification has been changed from JB/T 9763-1999 Internal combustion engines.Bearing with precision plating anti-friction overlay.Examination specifications.