GB/T 273.1-2023: Rolling bearings - Boundary dimensions general plan - Part 1: Tapered roller bearings

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Scope

This document 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.

Basic Data

Standard ID	GB/T 273.1-2023 (GB/T273.1-2023)
Description (Translated English)	Rolling bearings - Boundary dimensions general plan - Part 1: Tapered roller bearings
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J11
Classification of International Standard	21.100.20
Word Count Estimation	44,495
Date of Issue	2023-05-23
Date of Implementation	2023-12-01
Older Standard (superseded by this standard)	GB/T 273.1-2011
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration