Standard No.:	JB/T 5312-2011
Chinese Name:	滚动轴承 汽车离合器分离轴承单元
English Name:	Rolling bearings — Clutch release bearing units for automobiles
Professional Classification:	J11 Rolling bearing
Professional Classification:	JB Professional Standard - Machinery
ICS Classification:	21.100.20 Rolling bearings
Issued by:
Issued on:	2011-12-20
Implemented on:	2012-04-01
Status:	VALID
Replace:	JB/T5312-2001 Clutch release bearings and units for automobiles
Language:	English
File Format:	PDF
Word Count:
Price(USD):	please email coc@codeofchina.com for quotation
Delivery:	via email in

1 Scope

This standard specifies the definitions, classification, designation method, structural type, boundary dimensions, technical requirements, testing method, inspection rules, marking and packaging of clutch release bearing unit for automobile.
This standard is applicable to the production, inspection and acceptance of clutch release bearing unit for automobile (hereinafter referred to as the “bearing unit”).

2 Normative References

The following documents are indispensable for the application of this document. For dated references, only the dated edition is applicable to this document. For undated references, the latest edition (including all the amendments) applies.
GB/T 230.1-2009 Metallic Materials-Rockwell Hardness Test-Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 307.3-2005 Rolling Bearings-General Technical Regulations
GB/T 2829-2009 Sampling Procedures and Tables for Periodic Inspection by Attributes (Applicable to Inspection of Stability for Productive Process)
GB/T4340.1-2009 Metallic Materials-Vickers Hardness Test-Part 1:Test Method
GB/T 5671-1995 General Purpose Lithium Base Grease for Automobile
GB/T 6882-2008 Acoustics-Determination of Sound Power Levels of Noise Sources Using Pressure-Precision Methods for Anechoic and Hemi-Anechoic Rooms
GB/T 6930-2002 Rolling Bearings-Vocabulary
GB/T 8597-2003 Rolling Bearings-Rust Proof Packaging
GB/T 15089-2001 Classification of Power-driven Vehicles and Trailers
GB/T 18254-2002 High-carbon Chromium Bearing Steel
GB/T24605-2009 Rolling Bearings-Marking for Products
GB/T 24608-2009 Rolling Bearings and Commercial Parts-Inspection Rules
JB/T 1255-2001 Specification for Heat-treatment of Rolling Bearing Parts Made from High Carbon Chromium Steel
JB/T 6641 C 2007 Rolling Bearings-Residual Magnetism and Its Assessment Method
JB/T 7051-2006 Rolling Bearing Parts-Methods for the Measurement and Assessment of Surface Roughness
JB/T 7361-2007 Rolling Bearings-Test Method for Hardness of Parts
JB/T 7752-2005 Rolling Bearings-Sealed Deep Groove Ball Bearings-Specifications
JB/T 8571-2008 Rolling Bearings-Sealed Deep Groove Ball Bearings-Performance Test Rule of Dustproofing, Grease Leakage and Temperature Rise