Standard No.:	GB/T 273.1-2011
Chinese Name:	滚动轴承 外形尺寸总方案 第1部分:圆锥滚子轴承
English Name:	Rolling bearings—Boundary dimensions general plan—Part 1:Tapered roller bearings
Professional Classification:	J11 Rolling bearing
ICS Classification:	21.100.20 Rolling bearings
Issued by:
Issued on:	2011-11-21
Implemented on:	2012-06-01
Status:	VALID
Replace:	GB/T273.1-2003 Rolling berarings—Tapered roller bearing—Plan of boundary dimensions
Language:	English
File Format:	PDF
Word Count:	20000 words
Price(USD):	600 (USD)
Delivery:	via email in 1-5 business day

1 Scope

This Part of GB 273 specifies bearing and subunit boundary dimensions for complete single-row and double-row tapered roller bearings. It also specifies the flange dimensions of flanged outer rings for a selection of these bearings. A series designation for each bearing is also specified.

2 Normative References

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 274-2000 Rolling Bearings — Chamfer Dimensions — Maximum Values (idt ISO 582:1995)
GB/T 307.1-2005 Rolling Bearings — Radial Bearings — Tolerances (ISO 492:2002, MOD)
GB/T 6930-2002 Rolling Bearings — Vocabulary (ISO 5593:1997, IDT)
GB/T 7811-2007 Rolling Bearings — Symbols for Quantities (ISO 15241:2001, IDT)
ISO 1132-1:2000 Rolling Bearings — Tolerances — Part 1: Terms and definitions

3 Terms and Definitions

下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。
GB/T274—2000 滚动轴承 倒角尺寸最大值(idtISO582:1995)
GB/T307.1—2005 滚动轴承 向心轴承 公差(ISO492:2002,MOD)
GB/T6930—2002 滚动轴承 词汇(ISO5593:1997,IDT)
GB/T7811—2007 滚动轴承 参数符号(ISO15241:2001,IDT)
ISO1132-1:2000 滚动轴承 公差 第1部分:术语和定义(Rollingbearings—Tolerances—Part1:Termsanddefinitions)