ISO 11687-2-2020 PDF

Full title and description

St ISO 11687-2:2020 — Plain bearings — Pedestal plain bearings — Part 2: Side flange bearings. This International Standard specifies design characteristics for side-flange pedestal plain bearings and associated shaft design for the size range 9 to 28; it is intended primarily for use in electrical and turbo engineering applications.

Abstract

This part of ISO 11687 establishes classification, principal dimensions, materials and designation rules for side flange pedestal plain bearings (size range 9–28) and specifies relevant shaft characteristics. It provides standardized design parameters to ensure interchangeability and consistent performance in typical industrial applications.

General information

• Status: Published
• Publication date: June 2020
• Publisher: ISO (International Organization for Standardization)
• ICS / categories: 21.100.10 (Plain bearings)
• Edition / version: Edition 2 (2020)
• Number of pages: 8

Scope

Specifies design characteristics for side flange pedestal plain bearings for the size range 9 to 28 and associated shafts. Applies mainly to bearings used in electrical and turbo engineering industries and covers classification, dimensions, materials and designation to facilitate selection, manufacture and interchangeability.

Key topics and requirements

• Classification and designation system for side flange pedestal plain bearings.
• Principal external and mounting dimensions for sizes 9–28.
• Basic material recommendations and dimensional tolerances.
• Design characteristics and limits for mating shafts.
• Requirements intended to support interchangeability in electrical and turbo engineering equipment.

Typical use and users

Used by bearing manufacturers, machine designers, OEMs in electrical and turbo machinery, procurement specialists specifying interchangeable parts, and maintenance/engineering teams responsible for replacement and retrofitting of pedestal plain bearings.

Related standards

Part of the ISO 11687 series of standards for pedestal plain bearings. Relevant companion documents include ISO 11687-1:2020 (Pillow blocks) and ISO 11687-3:2020 (Centre flange bearings), which together define the primary pedestal/plain bearing forms and dimensions in the same size ranges. This part replaces the earlier ISO 11687-2:1995 edition as part of the 2020 revision of the series.

Keywords

plain bearings, pedestal plain bearings, side flange bearings, bearing dimensions, shaft design, interchangeability, ISO 11687, electrical engineering bearings, turbo machinery bearings

FAQ

Q: What is this standard?

A: ISO 11687-2:2020 is the International Standard that defines design characteristics and dimensions for side-flange pedestal plain bearings (sizes 9–28) and associated shaft requirements.

Q: What does it cover?

A: It covers classification, principal dimensions, material recommendations, designation and basic shaft characteristics to ensure consistent manufacture and interchangeability of side flange pedestal plain bearings used primarily in electrical and turbo engineering equipment.

Q: Who typically uses it?

A: Bearing manufacturers, mechanical designers and engineers, OEM procurement teams, maintenance engineers, and test/quality personnel who work with pedestal plain bearings and require standardized dimensions and design guidance.

Q: Is it current or superseded?

A: This is Edition 2, published in June 2020. The 2020 edition replaced the 1995 edition; the publication was reviewed and confirmed in ISO's systematic review cycle in 2025 and remains current as of the latest ISO confirmation.

Q: Is it part of a series?

A: Yes — ISO 11687 is a multipart series covering pedestal plain bearings. Relevant parts include ISO 11687-1:2020 (pillow blocks) and ISO 11687-3:2020 (centre flange bearings); all parts were updated around 2020 to align series definitions and dimensions.

Q: What are the key keywords?

A: plain bearings, pedestal bearings, side flange, bearing dimensions, shaft design, ISO 11687, interchangeability.