SIST ISO 12240-3:2001 PDF

Name: SIST ISO 12240-3:2001 — Spherical plain bearings -- Part 3: Thrust spherical plain bearings
SKU: SIST ISO 12240-3:2001
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Spherical plain bearings -- Part 3: Thrust spherical plain bearings

Название (английский):

SIST ISO 12240-3:2001

Spherical plain bearings -- Part 3: Thrust spherical plain bearings

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 1 июля 2001 г.
ICS:: 21.100.10
Технический комитет:: ISEL - Mechanical elements

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Описание (английский):

This part of ISO 12240 specifies dimensions and tolerances for thrust spherical plain bearings. The specified tolerance values apply to finished, thrust spherical plain bearings before any coating or plating. Thrust spherical plain bearings need not conform to the design illustrated but compliance is required as regards dimensions and tolerances specified. NOTE — Thrust spherical plain bearings for airframe applications are not covered by this part of ISO 12240.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

SIST ISO 12240-3:2001 is an international standard developed by ISO, specifying the required dimensions and tolerances for thrust spherical plain bearings. This part of the ISO 12240 series ensures consistency in bearing dimensions, facilitating interchangeability and reliable fit across various applications worldwide. The requirements address only finished, uncoated, and unplated bearings, making them universally applicable to general industrial uses. It is important to note that this part of the standard does not include thrust spherical plain bearings specific to airframe applications.

Key Topics

Scope and Applicability: SIST ISO 12240-3:2001 details the nominal dimensions, designations, and tolerance values for thrust spherical plain bearings, ensuring a uniform approach within the industry.

Essential Dimensions: The standard specifies key dimensional requirements such as bore diameter, outside diameter, bearing height, and chamfer dimensions-all crucial for proper function and interchangeability.

Tolerance Requirements: Tolerances are given for both shaft and housing washers as well as bearing height, with precise limits to guarantee reliable performance prior to any post-processing (like coating or plating).

Design Flexibility: While compliance with specified dimensions and tolerances is mandatory, conformity to an illustrated design is not required, giving engineers flexibility in product development.

Exclusions: The standard explicitly excludes thrust spherical plain bearings for airframe applications, which are subject to separate aerospace-specific standards.

Applications

Thrust spherical plain bearings play a vital role in a variety of engineering and industrial contexts. By adhering to SIST ISO 12240-3:2001, manufacturers, engineers, and end-users benefit from:

Interchangeability: By following uniform dimensions and tolerances, bearings from different producers are interchangeable, supporting global sourcing and replacement.

Mechanical Engineering: Widely used in heavy machinery and equipment, these bearings can accommodate axial loads and misalignment requirements, especially useful in hydraulic cylinders, construction machinery, and presses.

Industrial Maintenance: Standardized tolerances ensure reliable fit and performance, simplifying maintenance and minimizing downtime for industrial equipment.

Custom Solutions: The standard's flexibility allows designers to meet unique operational requirements while maintaining global compliance, critical for OEMs and component suppliers.

Quality Assurance: Adhering to ISO 12240-3 streamlines inspection and quality control processes, reducing variability and improving product reliability.

Related Standards

ISO 12240-1: Spherical plain bearings - Part 1: Radial spherical plain bearings Covers dimensions and tolerances for radial types.

ISO 12240-2: Spherical plain bearings - Part 2: Angular contact radial spherical plain bearings Defines specifications for angular contact variants.

ISO 12240-4: Spherical plain bearings - Part 4: Spherical plain bearing rod ends Provides requirements for rod end designs.

ISO 582: Rolling bearings – Chamfer dimensions – Maximum values Specifies maximum chamfer dimensions relevant for bearing interfaces.

ISO 1132-1: Rolling bearings – Tolerances – Terms and definitions Defines general terminology and concepts used across bearing tolerance standards.

ISO 6811: Spherical plain bearings – Vocabulary Offers definitions crucial to understanding bearing designs and parameters.

Keywords: ISO 12240-3, thrust spherical plain bearings, bearing tolerances, bearing dimensions, plain bearing standard, industrial bearings, spherical bearings, ISO bearing standards, rolling bearings, mechanical engineering.

SIST ISO 12240-3:2001 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

ISO 12240-4:1998/Cor 1:1999

Spherical plain bearings — Part 4: Spherical plain bearing rod ends — Technical Corrigendum 1

SIST ISO 12240-1:2001

Spherical plain bearings -- Part 1: Radial spherical plain bearings

SIST ISO 12240-2:2001

Spherical plain bearings -- Part 2: Angular contact radial spherical plain bearings

SIST EN ISO 5821:2025

Resistance welding - Spot welding electrodes - Female electrode caps (ISO 5821:2025)

SIST ISO 1132-1:2002

Rolling bearings -- Tolerances -- Part 1: Terms and definitions

ISO 6811:1998/Cor 1:1999

Spherical plain bearings — Vocabulary — Technical Corrigendum 1