GB/T 308.1-2013: Rolling bearings -- Balls -- Part 1: Steel balls

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Scope

10.1 Packaging
After being tested and proved to be qualified, finished steel balls shall be treated against
rust and packaged according to specification of GB/T 8597-2013.
Balls of different size, different tolerance grade, different material and different gauge as
well as subgauge shall be packaged in different containers (boxes); mixed packing is
forbidden.
10.2 Storage
After being treated against rust and packaged, the balls shall be guaranteed that they will
not rust within one year after being delivered from factory under the transportation and
storage conditions as specified by GB/T 8597-2013.

Basic Data

Standard ID	GB/T 308.1-2013 (GB/T308.1-2013)
Description (Translated English)	Rolling bearings -- Balls -- Part 1: Steel balls
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J11
Classification of International Standard	21.100.20
Word Count Estimation	18,118
Older Standard (superseded by this standard)	GB/T 308-2002
Quoted Standard	GB/T 3086-2008; GB/T 4199-2003; GB/T 6930-2002; GB/T 7234-2004; GB/T 7235-2004; GB/T 7811-2007; GB/T 8597-2013; GB/T 18254-2002; GB/T 18579-2001; GB/T 24606-2009; GB/T 24608-2009; JB/T 1255; JB/T 1460-2011; JB/T 2850-2007; JB/T 6641-2007; JB/T 7051-2006;
Adopted Standard	ISO 3290-1-2008; NEQ
Regulation (derived from)	National Standards Bulletin No. 19 of 2013
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies: Rolling with the finished ball size, technical requirements, signs, measuring and testing methods, inspection rules, packaging and storage. This standard applies to: Rolling with matching and trade with the ball.