SIST EN ISO 8826-2:1998 PDF

Name: SIST EN ISO 8826-2:1998 — Technical drawings - Rolling bearings - Part 2: Detailed simplified representation (ISO 8826-2:1994)
SKU: SIST EN ISO 8826-2:1998
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Technical drawings - Rolling bearings - Part 2: Detailed simplified representation (ISO 8826-2:1994)

Название (английский):

SIST EN ISO 8826-2:1998

Technical drawings - Rolling bearings - Part 2: Detailed simplified representation (ISO 8826-2:1994)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 13
Дата публикации:: 1 мая 1998 г.
ICS:: 01.100.20
Технический комитет:: TRS - Technical drawings, quantities, units, symbols and graphical symbols

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Описание (английский):

Specifies a detailed simplified representation for various rolling bearings. Should be used in cases where it is not necessary to show the exact shape and details of the rolling bearings, for example in assembly drawings.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

EN ISO 8826-2:1997 (ISO 8826-2:1994) provides rules for a detailed simplified representation of rolling bearings in technical drawings. The standard is intended for cases where the exact 3‑D shape and fine details of bearings are not required-typical example: assembly drawings and general machine layouts. It complements Part 1 (general simplified representation) by showing more bearing-specific features (rows, alignment capability, etc.) while still reducing drawing complexity.

Key topics and requirements

Scope and purpose: Specifies how to depict various rolling bearings in a simplified but informative way so that function and fit are clear without full detailing.

Method of representation:

The drawing space occupied by a bearing shall be circumscribed by a square or rectangle.
In views perpendicular to the bearing axis, rolling elements are normally shown above the horizontal axis; vertical-axis conventions are also covered.
The rolling element may be shown as a circle regardless of its actual shape (ball, roller, needle).

Elements of the detailed representation:

Axis lines (long continuous straight line or arc) indicating rolling element axis and possible alignment.
Short cross lines or symbols indicating number of rows and their positions.
Alternative simple shapes for rolling elements (circle, narrow/wide rectangle) to represent ball, roller, needle‑roller, etc.

Combinations and tables:

The standard includes tables and example figures that map combinations of bearing types and load‑bearing characteristics to their simplified symbols (single/double row ball, cylindrical, tapered, spherical, needle, thrust and combined bearings).

Drawing practice guidance:

Use only one kind of simplification (general or detailed) on a drawing to avoid misunderstandings.
Annex A is informative and a bibliography lists related ISO bearing and drawing standards.

Applications and who uses it

Mechanical designers and design engineers: to create clear assembly drawings without overloading documentation with unnecessary geometry.

CAD drafters and technical illustrators: to standardize symbols and speed up drafting workflows.

Bearing manufacturers and suppliers: for consistent representation in product literature and installation drawings.

Maintenance and assembly technicians: for fast visual identification of bearing types and mounting arrangements.

Useful in industries such as automotive, industrial machinery, aerospace, and any discipline using rolling bearings in assemblies.

Related standards

EN ISO 8826-1 / ISO 8826-1 (general simplified representation)

Various ISO bearing standards referenced in the document (e.g., ISO 15, ISO 3030, ISO 3031) for dimensions and types.

Keywords: EN ISO 8826-2, ISO 8826-2, rolling bearings, technical drawings, simplified representation, assembly drawings, bearing symbols, mechanical engineering drawings, CAD drafting standards.

SIST EN ISO 8826-2:1998 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications and who uses it

Related standards

Технические детали

ISO 8826-2:1994

Technical drawings — Rolling bearings — Part 2: Detailed simplified representation

SIST EN ISO 8826-1:1998

Technical drawings - Rolling bearings - Part 1: General simplified representation (ISO 8826-1:1989)

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