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GB/T 288-2013 PDF English

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GB/T 288-2013: Rolling bearings - Self-aligning roller bearings - Boundary dimensions
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GB/T 288: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
GB/T 288-2013400 Add to Cart Auto, 9 seconds. Rolling bearings - Self-aligning roller bearings - Boundary dimensions Valid
GB/T 288-1994RFQ ASK 6 days Rolling bearings--Self-aligning roller bearings--Boundary dimensions Obsolete
GB 288-1987RFQ ASK 3 days Rolling bearings--Self-aligning roller bearings--Boundary dimensions Obsolete

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GB/T 288-2013: Rolling bearings - Self-aligning roller bearings - Boundary dimensions

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT288-2013
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.100.20 J 11 Replacing GB/T 288-1994 Rolling Bearings – Self-Aligning Roller Bearings – Boundary Dimensions 滚动轴承 调心滚子轴承 外形尺寸 ISSUED ON: SEPTEMBER 18, 2013 IMPLEMENTED ON: JUNE 01, 2014 Issued by: General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC.

Table of Contents

Foreword ... 3 1 Scope ... 4 2 Normative References ... 4 3 Terms and Definitions ... 4 4 Symbols ... 5 5 Code ... 6 6 Marking ... 6 7 Dimensions ... 6 8 Others ... 23 Appendix A (Informative) Boundary Dimension of Sealed Bearing ... 24

Foreword

This Standard was drafted as per the rules specified in GB/T 1.1-2009. This Standard replaced GB/T 288-1994 Rolling Bearings - Self-Aligning Roller Bearings - Boundary Dimensions. Compared with GB/T 288-1994, the major technical changes of this Standard besides the editorial modifications are as follows: --- Delete some schematic diagrams of the bearing structure (see Figure 1 ~ Figure 3, Figure 7, Figure 9 ~ Figure 16 of the 1994 Edition); --- Increase the boundary dimensions of the 38, 39, 48 and 49 series bearings (see Table 1 ~ Table 4 of this Edition); --- Delete the relevant cage code (see Table 1 ~ Table 14 of the 1994 Edition); --- Increase the boundary dimensions of some series of bearings (see Table 5 ~ Table 10, Table 12, Table 14 and Table 16 of this Edition); --- Delete the relevant dimensions of the adapter sleeve (see Table 13 ~ Table 18 of the 1994 Edition); --- Increase the structure diagram and boundary dimensions of the 22 and 23 series sealed bearings (see Appendix A of this Edition); --- Delete the comparison between the old and new code (see Appendix A of the 1994 Edition). This Standard was proposed by China Machinery Industry Federation. This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Rolling Bearings (SAC/TC 98). Drafting organizations of this Standard: Luoyang Bearing Research Institute Co., Ltd.; Wuxi Rolling Bearing Co., Ltd.; Fujian YongAn Bearing Co., Ltd.; Zhongshan Yingke Bearing Manufacturing Co., Ltd.; Shandong Yujie Bearing Manufacturing Co., Ltd.; and Shandong Kaimeirui Bearing Technology Co., Ltd. Chief drafting staffs of this Standard: Guo Baoxia, Kong Weitao, Cai Binghua, Chen Qingxi, Cai Meigui, Ren Qinghua, Huang Mingming, and Zhao Rongduo. The historical editions replaced by this Standard are as follows: --- GB 287-1964, GB 287-1981, GB 287-1987; --- GB 288-1964, GB 288-1981, GB 288-1987, GB/T 288-1994. Rolling Bearings – Self-Aligning Roller Bearings – Boundary Dimensions

1 Scope

This Standard specifies the boundary dimensions of self-aligning roller bearings and self-aligning roller bearings with adapter sleeves (hereinafter referred to as bearings) that comply with GB/T 273.3-1999. This Standard is applicable to the design and selection of self-aligning roller bearings.

2 Normative References

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this document. GB/T 272-1993 Rolling Bearing – Identification Code GB/T 273.3-1999 Rolling Bearings - Radial Bearings - Boundary Dimensions, General Plan GB/T 274-2000 Rolling Bearings - Chamfer Dimension - Maximum Values GB/T 6930-2002 Rolling Bearings - Vocabulary GB/T 9160.1-2006 Rolling Bearings - Accessories - Part 1: Tapered Sleeves JB/T 2974-2004 Rolling Bearings - Identification Code - Supplemental Regulations

3 Terms and Definitions

For the purposes of this Document, the terms and definitions given in GB/T 6930-2002 apply. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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