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GB/T 27556-2011 English PDF

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GB/T 27556-2011: Rolling bearings -- Radial bearings, retaining slots -- Dimensions and tolerances
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GB/T 27556-2011English194 Add to Cart 3 days [Need to translate] Rolling bearings -- Radial bearings, retaining slots -- Dimensions and tolerances Valid GB/T 27556-2011

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Basic data

Standard ID GB/T 27556-2011 (GB/T27556-2011)
Description (Translated English) Rolling bearings -- Radial bearings, retaining slots -- Dimensions and tolerances
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J11
Classification of International Standard 21.100.20
Word Count Estimation 10,132
Date of Issue 2011-11-21
Date of Implementation 2012-06-01
Quoted Standard ISO 15; ISO 1132-1; ISO 5593; ISO 15241
Adopted Standard ISO 20515-2007, IDT
Regulation (derived from) Announcement of Newly Approved National Standards No. 18 of 2011
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 provides for single row angular contact ball bearings, four- point contact ball bearings and cylindrical roller bearing outer ring of the positioning groove dimensions and tolerances. Positioning groove is not suitable for use in sealing and dust radial ball bearing outer ring, it is not suitable for use in wall cylindrical roller bearing outer ring.

GB/T 27556-2011: Rolling bearings -- Radial bearings, retaining slots -- Dimensions and tolerances


---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. Radial bearings, retaining slots. Dimensions and tolerances ICS 21.100.20 J11 National Standards of People's Republic of China Rolling bearings Radial positioning groove dimensions and tolerances Rolingbearings-Radialbearings, retainingslots-Dimensionsandtolerances (ISO 20515.2007, IDT) Issued on. 2011-11-21 2012-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard uses the translation method identical with ISO 20515.2007 "Rolling bearings Radial positioning groove dimensions and tolerances." Correspondence between the consistency of the standards of international documents and normative references of the following documents. --- GB/T 273.3-1999 Rolling overall program (eqv ISO 15.1998) radial bearings Dimensions --- 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) This standard made the following editorial changes. --- Paragraph 1, Chapter 6 tables in the number of typographical errors have been corrected; --- Delete international standards outlined in the informative elements. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee of Rolling (SAC/TC98) centralized. This standard was drafted. Xiangyang Automobile Bearing Co., Ltd., Luoyang Bearing Research Institute Co., Ltd. The main drafters. Zhang Lei, Li snow, gold war. Rolling bearings Radial positioning groove dimensions and tolerances

1 Scope

The standard provides for single row angular contact ball bearings, four-point contact ball bearings and cylindrical roller bearing outer ring positioning groove size and public difference. Locating slots not suitable for use in sealing and dust radial ball bearing outer ring is also suitable for use in wall cylindrical roller bearing outer ring.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. ISO 15 Rolling overall program (Rolingbearings-Radialbearings-Boundary radial bearings Dimensions dimensions, generalplan) ISO 1132-1 Rolling tolerances - Part 1. Terms and definitions (Rolingbearings-Tolerances-Part 1. Terms anddefinitions) ISO 5593 Rolling vocabulary (Rolingbearings-Vocabulary) ISO 15241 Rolling Parameter Symbol (Rolingbearings-Symbolsforquantities)

3 Terms and Definitions

ISO 1132-1, ISO 5593 define the following terms and definitions apply to this document. 3.1 Positioning groove retainingslot The outer surface of the chute and the end of the loop at the intersection. NOTE. This slot can be used as a simple way to prevent the bearing outer ring rotation.

4 Symbol

ISO 15241 and given the following symbols apply to this document. Unless otherwise indicated, the symbol shown (except tolerances) the values \u200b\u200bshown in Figure 1 and Table 1 to Table 5, expressed nominal size. Note. Figure 1 shows an example of a four-point contact ball bearing locating slots. b. the width of the positioning groove D. outer diameter h. positioning groove depth r0. Positioning bottom radius t. Positioning groove symmetry tolerance Δbs. single positioning groove width deviation Δhs. single positioning groove depth bias

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