Standard No.:	GB/T 273.1-2011
English Name:	Rolling bearings - Boundary dimensions general plan - Part 1: Tapered roller bearings
Chinese Name:	滚动轴承 外形尺寸总方案 第1部分:圆锥滚子轴承
Chinese Classification:	J11    Rolling bearing
Professional Classification:	GB    National Standard
ICS Classification:	21.100.20 21.100.20    Rolling bearings 21.100.20
Source Content Issued by:	AQSIQ; SAC
Issued on:	2011-11-21
Implemented on:	2012-6-1
Status:	superseded
Superseded by:	GB/T 273.1-2023 Rolling bearings—Boundary dimensions general plan—Part 1：Tapered roller bearings
Superseded on:	2023-12-1
Superseding:	GB/T 4648-1996 Rolling bearings - Metric tapered roller bearings - Flanged cups-Boundary dimensions
Target Language:	English
File Format:	PDF
Word Count:	9000 words
Translation Price(USD):	220.0
Delivery:	via email in 1 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

Foreword I 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Series Designations 6 Boundary Dimensions Appendix A