GB/T 25760-2010 English PDF

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GB/T 25760-2010: Rolling bearings -- Combined needle roller bearings with thrust ball bearings -- Boundary dimensions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25760-2010	209	Add to Cart	3 days	Rolling bearings -- Combined needle roller bearings with thrust ball bearings -- Boundary dimensions	Valid

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Basic data

Standard ID: GB/T 25760-2010 (GB/T25760-2010)
Description (Translated English): Rolling bearings -- Combined needle roller bearings with thrust ball bearings -- Boundary dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J11
Classification of International Standard: 21.100.20
Word Count Estimation: 9,979
Date of Issue: 2010-12-23
Date of Implementation: 2011-06-01
Quoted Standard: GB/T 274-2000; GB/T 6930-2002
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 needle and thrust ball bearings dimensions. This standard applies to the design and selection of bearings.

GB/T 25760-2010: Rolling bearings -- Combined needle roller bearings with thrust ball bearings -- Boundary dimensions

---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.Combined needle roller bearings with thrust ball bearings.Boundary dimensions ICS 21.100.20 J11 National Standards of People's Republic of China Rolling Thrust needle roller and ball bearings Dimensions Rolingbearings- 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

Appendix A of this standard is a normative appendix. 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. Zhenjiang Feiya Bearing Co., Ltd., Luoyang Bearing Research Institute Co., Ltd. The main drafters of this standard. Song Xiaomei, Xu Zhenyu, Xin Yi thick. Rolling Thrust needle roller and ball bearings Dimensions

1 Scope

This standard provides the thrust needle roller and ball bearings (hereinafter referred to as bearings) dimensions. This standard applies to the combined bearing design and selection.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 274-2000 Rolling maximum chamfer dimensions (idtISO 582.1995) GB/T 6930-2002 Rolling Vocabulary (ISO 5593.1997, IDT)

3 Terms and Definitions

Terms and definitions GB/T 6930-2002 established apply to this standard. 4 symbols (see FIG. 1 to FIG. 8, FIG A.1) The following symbols apply to this standard. Unless otherwise indicated, the values shown in the figure and symbol are shown in the table indicates the nominal size. a. distance from the stopper groove ball bearing thrust ring face of the shaft B. inner width b. stopper groove width C. combination bearing width C1. Oil from the reference plane seat pitch; pitch oil from the outer end surface of the needle roller bearing D. outer diameter of the needle roller bearings D1. thrust ball bearing shaft collar outer diameter The maximum outer diameter of a single thrust ball bearing shaft ring. D1smax D2. outer diameter of thrust ball bearing race D3. Thrust ball bearing housing outside diameter D3smax. Thrust ball bearings single largest outer diameter of the housing D4. bottom diameter stopper d. Inner diameter d1. thrust ball bearing shaft ring inner diameter F. the inner ring raceway diameter Fw. inner diameter of the needle group r. inner ring chamfer dimensions r1. thrust ball bearing shaft ring, needle roller bearing outer ring chamfer dimensions ......

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