GB/T 309-2021 (English Version) PDF

Scope: This document specifies the size and geometric characteristics, dimensions, technical requirements, testing methods, inspection rules, marks and packaging of steel needle rollers. This document is applicable to the production, inspection and acceptance of rolling bearing supporting needle rollers and commodity needle rollers.

GB/T 309-2021 Referenced Document

GB/T 1182-2018 Geometrical product specifications(GPS)—Geometrical tolerancing—Tolerances of form, orientation, location and run-out
GB/T 17851-2010 Geometrical Product Specifications(GPS).Geometrical tolerancing.Datums and datum system
GB/T 1800.2-2020 Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
GB/T 18254-2016 High-carbon chromium bearing steel
GB/T 18579-2019 High-carbon chromium bearing steel wires
GB/T 24608-2009 Inspection rules for rolling bearings and commercial parts
GB/T 32324-2015 Rolling bearings.Methods for the measurement and assessment of departure from roundness and waviness
GB/T 34891-2017 Rolling bearings—Parts made from high-carbon chromium bearing steels—Specifications for heat treatment
GB/T 38762.1-2020 Geometrical product specifications (GPS)—Dimensional tolerancing—Part 1: Linear sizes
GB/T 4249-2018 Geometrical product specifications(GPS)—Fundamentals—Concepts, principles and rules
GB/T 4380-2004 Assessment of departure from roundness Two-and three-point methods
GB/T 6930 Rolling bearings--Vocabulary
GB/T 7811-2015 Rolling bearings.Symbols for physical quantities
GB/T 8597-2013 Rolling bearings.Rust proof packaging
JB/T 6641-2017 Standard for residual magnetism of rolling bearings and its evaluation method
JB/T 7051-2006 Rolling bearings parts.Methods for the measurement and assessment of surface roughness