GB/T 27557-2011

Active

Rolling bearings - Linear motion rolling bearings - Identification code

滚动轴承直线运动滚动支承代号方法

Standard Type

GBT

ICS

21.100.20

CCS

J11

Status

Active

Issue Date

2011-11-21

Implementation

2012-03-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the identification code system for linear motion rolling bearings, defining the structure and coding method for designating bearing types, dimensions, and design features. It is applied in the manufacturing and procurement of linear motion rolling bearings used in precision machinery, automation equipment, and industrial linear guide systems. The standard ensures consistent identification across design, production, and quality inspection contexts.

Related Standards

JB/T 51110-1999 Internal Combustion Engines - Cylinder Head Gaskets - Product Quality Grading (Internal Use) JB/T 51134-1999 Product quality grading of agricultural deep groove ball bearing GB/T 5868-2003 Rolling bearings--Mounting dimensions GB/T 4605-2003 Rolling bearings--Thrust needle roller and cage assemblies，thrust washers GB/T 4199-2003 Rolling bearings--Tolerances--Definitions GB/T 307.1-2005 Rolling bearings-Radial bearings-Tolerances GB/T 307.2-2005 Rolling bearings-Measuring and gauging principles and methods GB/T 307.3-2005 Rolling bearings-General technical regulations

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.