Standard No.:	GB/T 297-2015
English Name:	Rolling bearings-Tapered roller bearings-Boundary dimensions
Chinese Name:	滚动轴承 圆锥滚子轴承 外形尺寸
Chinese Classification:	11
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:	2015-02-04
Implemented on:	2015-10-1
Status:	valid
Superseding:	GB/T 297-1994 Rolling bearings-Tapered roller bearings-Boundary dimensions
Target Language:	English
File Format:	PDF
Word Count:	2500 words
Translation Price(USD):	50.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the boundary dimensions of single-row tapered roller bearings (hereinafter referred to as bearings) which conform to GB/T 273.1-2011. This standard is applicable to the design and type selection of bearings. 2 Normative References The following documents are essential to the application of this document. For dated references, only the dated edition is applicable to this standard; for undated references, the latest edition (including all the amendments) applies. GB/T 272-1993 Rolling Bearing – Identification Code GB/T 273.1-2011 Rolling Bearings – Boundary Dimensions General Plan – Part 1: Tapered Roller Bearings GB/T 274-2000 Rolling Bearings – Chamfer Dimension – Maximum Values GB/T 6930-2002 Rolling Bearings – Vocabulary JB/T 2974-2004 Rolling Bearings – Identification Code – Supplemental Regulations

Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Symbols 5 Bearing Designation 6 Marking 7 Boundary Dimension