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GB/T 281-2013: Rolling bearings -- Self-aligning ball bearings -- Boundary dimensions
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 281-2013	English	209	Add to Cart	3 days [Need to translate]	Rolling bearings -- Self-aligning ball bearings -- Boundary dimensions
GB/T 281-1994	English	319	Add to Cart	3 days [Need to translate]	Rolling bearings--Self-aligning ball bearings--Boundary dimensions
GB 281-1984	English	239	Add to Cart	2 days [Need to translate]	Rolling bearings--Self-aligning ball bearings--Boundary dimensions

GB/T 281-2013: Rolling bearings -- Self-aligning 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.Self-aligning ball bearings.Boundary dimensions ICS 21.100.20 J11 National Standards of People's Republic of China Replacing GB/T 281-1994 Rolling aligning ball bearings Dimensions Issued on. 2013-09-18 2014-06-01 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 replaces GB/T 281-1994 "Rolling aligning ball bearing dimensions." Compared with GB/T 281-1994, except Editorial changes, the major technical changes are as follows. --- Increased by 39 and 30 series bearing dimensions (see Tables 1 and 3); --- Expanding the 02 series bearing size range (see Table 4 and Table 2 of the 2006 edition); --- Increasing the bearing structure diagram and model sides with a ring of the bearing (see Figure 4 and Figure 5, Table 5 and Table 7). --- Remove the old code control (see the 1994 edition of Appendix A). 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. Luoyang Bearing Research Institute Co., Ltd., Xiangyang Automobile Bearing Co., Ltd. The main drafters of this standard. Guobao Xia, Long Chunmei. This standard replaces the standards previously issued as follows. --- GB 281-1964, GB 281-1984, GB/T 281-1994; --- GB 282-1964, GB 282-1981, GB 282-1987. Rolling aligning ball bearings Dimensions

1 Scope

This standard specifies the line with GB/T 273.3-1999 self-aligning ball bearings and with adapter sleeve aligning ball bearings (hereinafter referred to as bearing) Dimensions. This standard applies to self-aligning ball bearing design and selection.

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. GB/T 272-1993 Rolling Code Method GB/T 273.3-1999 Rolling bearings dimensions, general plan GB/T 274-2000 Rolling maximum chamfer dimensions GB/T 6930-2002 Rolling Words GB/T 9160.1-2006 Rolling accessories - Part 1. Taper Bush Supplementary Provisions JB/T 2974-2004 Rolling Code Method

3 Terms and Definitions

Terms and definitions GB/T 6930-2002 defined apply to this document.

4 Symbol

The following symbols apply to this document. Unless otherwise indicated, numerical symbol Figs. 1 to 5 shown in Table 1 to Table 7 and shown expressed nominal size. NOTE. Graphics only example of the structure. B. Bearing width D. Bearing outside diameter d. bearing bore d1. inner diameter of the adapter sleeve r. bearing inner and outer ring chamfer dimensions rsmin. r smallest single chamfer dimension ...