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GB/T 24604-2021 English PDF

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Q: Should I purchase the latest version GB/T 24604-2021?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 24604-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$379.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 24604-2021: Rolling bearings－Angular contact thrust ball bearings and units for machine tool screws
Status: Valid

GB/T 24604: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24604-2021	379	Add to Cart	4 days	Rolling bearings－Angular contact thrust ball bearings and units for machine tool screws	Valid
GB/T 24604-2009	519	Add to Cart	3 days	Rolling bearings -- Angular contact thrust ball bearings used for machine tool screws	Obsolete

Similar standards

GB/T 24608 GB/T 24607 GB/T 24610.2

Basic data

Standard ID: GB/T 24604-2021 (GB/T24604-2021)
Description (Translated English): Rolling bearings��Angular contact thrust ball bearings and units for machine tool screws
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J11
Word Count Estimation: 20,273
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24604-2021: Rolling bearings－Angular contact thrust ball bearings and units for machine tool screws

---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-Angular contact thrust ball bearings and units for machine tool screws ICS 21:100:20 CCSJ11 National Standards of People's Republic of China Replacing GB/T 24604-2009 rolling bearing Thrust angular contact ball bearing and unit for machine tool screw Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document replaces GB/T 24604-2009 "Thrust Angular Contact Ball Bearings for Rolling Bearing Machine Tool Screws", and GB/T 24604- Compared with:2009, except for editorial changes, the main technical changes are as follows: a) Added ZKLN, ZKLF bidirectional thrust angular contact ball bearings and FU and FUB cylindrical single bearings with flanged housings The structural type, code method and external dimensions of the element (see Figure 2 to Figure 4, Chapter 6, Table 7 to Table 9 and Appendix A); b) Added the housing material, heat treatment quality and tolerance requirements for the FU type cylindrical unit with flanged housing (see 9:1:1 and table 11); c) Added the preload and starting friction torque requirements for ZKLN and ZKLF double-way thrust angular contact ball bearings (see Table 16); d) The requirements for the amount of grease and grease filling are added (see 9:8); e) Modified the inspection rules for bearing contact angle and starting friction torque (see Table 17, 9:3 of the:2009 edition): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Standardization Technical Committee of Rolling Bearings (SAC/TC98): This document is drafted by: Harbin Bearing Group Co:, Ltd:, Zhongshan Yingke Bearing Manufacturing Co:, Ltd:, Luoyang Bearing Research Institute Co:, Ltd: Company, Changshu Great Wall Bearing Co:, Ltd:, Zhejiang Wuzhou Xinchun Group Co:, Ltd:, Harbin Xinha Precision Bearing Co:, Ltd: The main drafters of this document: Weng Shixi, Wang Bing, Du Xiaoyu, Shen Zhongming, Jia Qiusheng, Zhang Yuhui, Zhang Xuesong, Wang Duoliang, Zhao Rongduo: The previous versions of this document and its superseded documents are as follows: ---GB/T 24604-2009; ---This is the first revision: rolling bearing Thrust angular contact ball bearing and unit for machine tool screw

1 Scope

This document specifies the metric series thrust angular contact ball bearings, bidirectional thrust angular contact ball bearings (hereinafter referred to as "shaft Bearing") and cylindrical units with flanged housings (hereinafter referred to as "units") code method, external dimensions and technical conditions: This document is applicable to the design, inspection and acceptance of thrust angular contact ball bearings and units for machine tool lead screws:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 272-2017 rolling bearing code method GB/T 307:1-2017 Geometry Specifications (GPS) and Tolerance Values of Rolling Bearing Radial Bearing Products GB/T 307:2-2005 Principles and methods of measurement and inspection of rolling bearings GB/T 307:3-2017 General technical rules for rolling bearings GB/T 699-2015 High-quality carbon structural steel GB/T 4199-2003 Tolerance Definition of Rolling Bearings GB/T 5213-2019 Cold-rolled low carbon steel sheet and strip GB/T 6930-2002 Rolling Bearing Vocabulary GB/T 7324-2010 General purpose lithium base grease GB/T 7811-2015 Rolling bearing parameter symbols GB/T 8597-2013 Anti-rust packaging for rolling bearings GB/T 18254-2016 High carbon chromium bearing steel GB/T 24605-2009 Rolling bearing product mark GB/T 24608-2009 Inspection Rules for Rolling Bearings and Their Commodity Parts GB/T 32334-2015 Technical conditions for angular contact ball bearings of rolling bearing sets GB/T 32562-2016 Rolling bearing friction torque measurement method GB/T 34891-2017 Technical conditions for heat treatment of rolling bearing high carbon chromium bearing steel parts JB/T 6639-2015 Technical conditions for rolling bearing skeleton rubber sealing ring JB/T 6641-2017 Rolling bearing residual magnetism and its evaluation method JB/T 7048-2011 Technical conditions for rolling bearing engineering plastic cage JB/T 7051-2006 Method for measuring and evaluating surface roughness of rolling bearing parts JB/T 7752-2017 Technical conditions for sealed deep groove ball bearings of rolling bearings ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 24604-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 24604-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 24604-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 24604-2021_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.

Question 5: Should I purchase the latest version GB/T 24604-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 24604-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.