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JB/T 6643-2004 English PDF

US$239.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JB/T 6643-2004: Rolling bearings. Four-point contact ball bearings. Axial internal clearances
Status: Obsolete

JB/T 6643: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JB/T 6643-2004English239 Add to Cart 3 days [Need to translate] Rolling bearings. Four-point contact ball bearings. Axial internal clearances Obsolete JB/T 6643-2004
JB/T 6643-1993English199 Add to Cart 2 days [Need to translate] (Rolling bearings four-point contact ball bearing axial clearance) Obsolete JB/T 6643-1993

PDF similar to JB/T 6643-2004


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Basic data

Standard ID JB/T 6643-2004 (JB/T6643-2004)
Description (Translated English) Rolling bearings. Four-point contact ball bearings. Axial internal clearances
Sector / Industry Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard J11
Classification of International Standard 21.100.20
Word Count Estimation 6,669
Date of Issue 2004-10-20
Date of Implementation 2005-04-01
Older Standard (superseded by this standard) JB/T 6643-1993
Quoted Standard GB/T 272-1993; GB/T 6930-2002
Regulation (derived from) Development and Reform Bulletin (04/61)
Summary This standard specifies contact angle of 35 �� general-purpose four-point contact ball bearings (d �� 600mm) axial clearance values. This standard applies to bearing manufacturer of the finished bearings inspection, subscribers to the finished bearings acceptance.

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Question 5: Should I purchase the latest version JB/T 6643-2004?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JB/T 6643-2004 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.