SIST ISO 3096:2020 PDF

Name: SIST ISO 3096:2020 — Rolling bearings - Needle rollers - Boundary dimensions, geometrical product specifications (GPS) and tolerance values
SKU: SIST ISO 3096:2020
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Rolling bearings - Needle rollers - Boundary dimensions, geometrical product specifications (GPS) and tolerance values

Название (английский):

SIST ISO 3096:2020

Rolling bearings - Needle rollers - Boundary dimensions, geometrical product specifications (GPS) and tolerance values

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 14
Дата публикации:: 11 июня 2020 г.
ICS:: 21.100.20
Технический комитет:: ISEL - Mechanical elements

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Описание (английский):

This document specifies dimensional and geometrical characteristics, nominal boundary dimensions and tolerance values for finished steel needle rollers used as rolling elements.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 3096:2018 - Rolling bearings: Needle rollers defines the boundary dimensions, geometrical product specifications (GPS) and tolerance values for finished steel needle rollers used as rolling elements. This third edition updates dimensional rules to the ISO GPS system and clarifies how to specify, measure and accept needle-roller geometry for design, production and inspection.

Key topics and technical requirements

Scope and intent: Specifies nominal boundary dimensions and geometrical characteristics for finished steel needle rollers (diameter, length, end profile, chamfers, roundness and surface roughness) and the related tolerance system.

Geometrical Product Specification (GPS): Applies ISO GPS principles (ISO 8015), geometric tolerancing (ISO 1101) and linear size rules (ISO 14405‑1). Default decision rules (ISO 14253‑1) and guidance on measurement uncertainty (ISO 14253‑2) are referenced.

Size concepts and symbols: Uses mid‑range two‑point size (Dwmp), variation in gauge lots (VDwL), and deviation symbols (∆Dwmp, ∆Lw). The measuring zone length (L) is defined and should be agreed between supplier and customer.

Tolerances and grades: Diameter, length and form tolerances are tabulated per needle‑roller grade (e.g., G2, G3, G5). Length tolerances follow tolerance class h13 (ISO 286‑2). Diameter tolerances and outside‑diameter surface roughness are specified per grade.

Local variation limits: Limits on maximum single‑diameter deviation along the roller length are specified: ≤ 0.5 µm (G2), ≤ 0.8 µm (G3), ≤ 1 µm (G5).

Chamfer and end profile limits: Chamfer dimension limits for flat end rollers and permissible end‑profile envelopes for rounded ends are provided in tables.

Preferred nominal sizes: A table of preferred nominal diameters and lengths is included; the 2018 edition added sizes such as D = 4.5 mm and 5.5 mm and L = 31.8 mm and 37.8 mm.

Practical applications and users

Bearing manufacturers and rolling‑element producers to specify and control production quality of needle rollers.

Design engineers specifying needle‑roller bearings in transmissions, automotive components, gearboxes, pumps and industrial machinery.

Quality and metrology teams implementing inspection procedures, acceptance sampling and supplier audits.

Purchasing and procurement for contract specifications and supplier quality agreements.

Practical benefits include consistent interchangeability, clear measurement definitions, reduced ambiguity in drawings/specifications and improved control of functional performance where precise rolling‑element geometry is critical.

Related standards

ISO 1101 - Geometrical tolerancing (GPS)

ISO 14405‑1 - Dimensional tolerancing (two‑point size)

ISO 5593 - Rolling bearings - Vocabulary

ISO 14253‑1 / ISO 14253‑2 - Decision rules and measurement uncertainty

Keywords: ISO 3096:2018, needle rollers, rolling bearings, geometrical product specifications, GPS, tolerances, diameter, length, needle‑roller grades.

SIST ISO 3096:2020 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

ISO 3096:2018

Rolling bearings — Needle rollers — Boundary dimensions, geometrical product specifications (GPS) and toleran…

SIST EN ISO 8015:2012

Geometrical product specifications (GPS) - Fundamentals - Concepts, principles and rules (ISO 8015:2011)

SIST EN ISO 1101:2017

Geometrical product specifications (GPS) - Geometrical tolerancing - Tolerances of form, orientation, locatio…

BS EN ISO 14405-1:2025

Geometrical product specifications (GPS). Dimensional tolerancing. Linear sizes.

SIST EN ISO 14253-1:2018

Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment -…

SIST EN ISO 14253-2:2011/AC:2014

Geometrical product specifications (GPS) - Inspection by measurement of workpieces and measuring equipment -…

ISO 286-2:2010/Cor 1:2013

Geometrical product specifications (GPS) — ISO code system for tolerances on linear sizes — Part 2: Tables of…

SIST ISO 5593:2023

Rolling bearings - Vocabulary