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GB/T 308.2-2010 English PDF

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US$274.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 308.2-2010: Rolling bearings -- Balls -- Part 2: Ceramic balls
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 308.2-2010	274	Add to Cart	3 days	Rolling bearings -- Balls -- Part 2: Ceramic balls	Valid

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Basic data

Standard ID: GB/T 308.2-2010 (GB/T308.2-2010)
Description (Translated English): Rolling bearings -- Balls -- Part 2: Ceramic balls
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J11
Classification of International Standard: 21.100.20
Word Count Estimation: 14,161
Date of Issue: 2010-12-23
Date of Implementation: 2011-06-01
Quoted Standard: GB/T 4199-2003; GB/T 6930-2002; GB/T 7811-2007; GB/T 10610-2009; GB/T 24632.1; ISO 26602-2009
Adopted Standard: ISO 3290-2-2008, IDT
Regulation (derived from): National Standard Approval Announcement 2010 No.10 (Total No.165)
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 the Rolling silicon nitride balls with the technical requirements of the finished product.

GB/T 308.2-2010: Rolling bearings -- Balls -- Part 2: Ceramic balls

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Rolling bearings.Balls.Part 2. Ceramic balls ICS 21.100.20 J11 National Standards of People's Republic of China Rolling Ball - Part 2. Ceramic balls Rolingbearings-Bals-Part 2. Ceramicbals (ISO 3290-2.2008, IDT) Issued on. 2010-12-23 2011-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 308 "Rolling Ball" is divided into two parts. --- Part 1. Ball; --- Part 2. Ceramic balls. This section GB/T 308 - Part 2. This part identical with ISO 3290-2.2008 "Rolling Ball Part 2. Ceramic balls." This section is equivalent translation ISO 3290-2.2008. For ease of use, this section made the following editorial changes. The term --- "This document" to "this Part"; --- Deleted international standards foreword; --- With a decimal point "." Instead of a comma as the decimal point "." This part of the Annex A, Annex B normative appendix Appendix C is informative appendix. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee of Rolling (SAC/TC98) centralized. This section is drafted. Luoyang Bearing Research Institute Co., Ltd., Jiangsu Lixing Steel Ball Co., Luoyang Bearing Science & Technology Co., Ltd. The main drafters of this section. Masu Qing, Zhang dry, sand Xiaojian, Marin. Rolling Ball - Part 2. Ceramic balls

1 Scope

GB/T 308 provisions of this part of the finished silicon nitride balls rolling bearing technical requirements.

2 Normative references

The following documents contain provisions which, through reference GB/T 308 of this text, constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 4199-2003 Rolling defined tolerances (ISO 1132-1.2000, MOD) GB/T 6930-2002 Rolling Vocabulary (ISO 5593.1997, IDT) GB/T 7811-2007 Rolling parameter symbols (ISO 15241.2001, IDT) GB/T 10610-2009 Geometrical product specifications (GPS) Surface texture - Profile method for evaluation of the rules and structure of the side surface Method (ISO 4288.1996, IDT) GB/T 24632.1 Geometrical product specifications (GPS) roundness - Part 1. Vocabulary and parameters (GB/T 24632.1- 2009, ISO /T S12181-1.2003, IDT) ISO 26602.2009 Fine ceramics (advanced ceramics, advanced engineering ceramics) silicon nitride materials for rolling bearing balls

3 Terms and Definitions

GB/T 4199-2003, GB/T 6930-2002 and established the following terms and definitions apply to this section. 3.1 Nominal ball diameter nominalbaldiameter Usually used diameter value identifies the ball size. [GB/T 6930-2002,05.04.01] 3.2 Single ball diameter singlebaldiameter The actual distance between the ball tangential to the surface of two parallel planes. [GB/T 6930-2002,05.04.02] 3.3 The average diameter of the ball meanbaldiameter The maximum and minimum ball diameter single arithmetic mean. [GB/T 6930-2002,05.04.03] 3.4 Ball diameter variation variationofbaldiameter The difference between the maximum and minimum diameter of a single ball. [GB/T 6930-2002,05.04.04] 3.5 Spherical surface shape error deviationfromsphericalbalsurface Deviation from the ideal spherical shape of the surface of a variety of errors, these errors across the entire surface of the ball and distributed evenly or unevenly repeated. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 308.2-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 308.2-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 308.2-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 308.2-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.