SIST ISO 20515:2022 PDF

Name: SIST ISO 20515:2022 — Rolling bearings - Radial bearings, retaining slots - Dimensions, geometrical product specifications (GPS) and tolerance values
SKU: SIST ISO 20515:2022
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Rolling bearings - Radial bearings, retaining slots - Dimensions, geometrical product specifications (GPS) and tolerance values

Название (английский):

SIST ISO 20515:2022

Rolling bearings - Radial bearings, retaining slots - Dimensions, geometrical product specifications (GPS) and tolerance values

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 17
Дата публикации:: 10 февраля 2022 г.
ICS:: 21.100.20
Технический комитет:: ISEL - Mechanical elements

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Описание (английский):

This document specifies dimensions and tolerances of retaining slots to be used for outer rings of single-row angular contact ball bearings, four-point-contact ball bearings and radial cylindrical roller bearings. The retaining slots are not suitable for use in the outer rings of sealed and shielded radial ball bearings, nor in the outer rings of radial cylindrical roller bearings without ribs.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 20515:2021 - Rolling bearings - Radial bearings, retaining slots - Dimensions, geometrical product specifications (GPS) and tolerance values - defines the dimensional and geometrical requirements for retaining slots used in the outer rings of specific radial bearings. The standard applies to outer rings of:

single-row angular contact ball bearings

four‑point‑contact ball bearings

radial cylindrical roller bearings (specified dimension series)

It does not apply to outer rings of sealed/shielded radial ball bearings or cylindrical roller bearings without ribs.

Key topics

Scope and definitions: clear definitions for terms such as retaining slot, nominal width, position specifications (PS1, PS2), fillet radius r0 and nominal outside diameter D.

GPS-based specifications: dimensions and tolerances are given within the Geometrical Product Specification (GPS) framework (ISO 8015 matrix model), including how to indicate characteristics on drawings.

Dimension tables: tabulated nominal dimensions and permissible tolerance values for specified diameter and dimension series (e.g., diameter series 0, 2, 3, 4 and certain cylindrical roller dimension series).

Position and tolerance rules: position specifications for the bottom surface (PS1) and median plane(s) (PS2), size deviation notations (Δbg, Δbs) and symbol conventions (ISO/TC 4 formatting, leading “t” prefix for tolerance symbols).

Fillet radius guidance: lower limit for r0 should not be zero - minimum fillet recommended to avoid stress concentrations; expressed as tolerance values (e.g., r0 max).

Illustrations and examples: Figures show bearings with one or two diametrically opposed retaining slots; Annex A (drawing examples) and Annex B (application example) support implementation.

Normative references: links to complementary GPS and bearing standards (ISO 15, ISO 1101, ISO 14405-1, ISO 5593, ISO 15241, ISO 22872).

Applications

bearing design and manufacturers specifying retaining slot geometry on outer rings

mechanical designers and machine builders who prevent outer-ring rotation using retaining slots

quality, metrology and inspection teams applying GPS tolerancing and measurement uncertainty

procurement and engineering teams creating component drawings and acceptance criteria

CAD modelers and drafting engineers who need standardized drawing indications and tolerance symbols

Using this standard ensures interchangeability, reduces fitting/assembly issues and improves component reliability where outer-ring anti-rotation features are required.

Related standards

ISO 15 - Rolling bearings - Boundary dimensions

ISO 1101 - GPS - Geometrical tolerancing

ISO 14405-1 - Dimensional tolerancing (linear sizes)

ISO 5593, ISO 15241, ISO 22872 - terminology, symbols and GPS definitions

Keywords: ISO 20515:2021, rolling bearings, retaining slots, radial bearings, dimensions, tolerances, GPS, outer ring, angular contact ball bearings, cylindrical roller bearings.

SIST ISO 20515:2022 PDF

Abstract

Похожие стандарты

Overview

Key topics

Applications

Related standards

Технические детали

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