GB/T 20056-2015
Rolling bearings.Radial needle roller and cage assemblies.Boundary dimensions and tolerances (English Version)

Standard No.

GB/T 20056-2015

Language

Chinese, Available in English version

Release Date

2015

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 20056-2015

Replace

GB/T 20056-2006

Scope

This standard specifies the external dimensions of radial needle roller and cage assemblies. In addition, it also stipulates the functional inspection method of the cage width tolerance and the overall minimum single inner diameter of the needle roller. Refer to Appendix A for the recommended tolerance values of the shaft raceway, housing raceway, and raceway width.

GB/T 20056-2015 Referenced Document

• GB/T 307.2-2005 Rolling bearings-Measuring and gauging principles and methods
• GB/T 309-2000 Rolling bearings-Needle rollers
• GB/T 4199-2003 Rolling bearings--Tolerances--Definitions
• GB/T 6930-2002 Rolling bearings--Vocabulary
• GB/T 7811-2015 Rolling bearings.Symbols for physical quantities

GB/T 20056-2015 history

• 2015 GB/T 20056-2015 Rolling bearings.Radial needle roller and cage assemblies.Boundary dimensions and tolerances
• 2006 GB/T 20056-2006 Rolling bearings.Radial needle roller and cage assembliew.Dimensions and tolerances