GB/T 297-2015 in English

《GB/T 297-2015滚动轴承 圆锥滚子轴承 外形尺寸》由TC98（全国滚动轴承标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了符合GB/T 273.1－2011的单列圆锥滚子轴承（以下简称轴承）的外形尺寸。
本标准适用于轴承的设计和选型。

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