TS ISO 4378-4
Plain bearings - Terms, definitions and classification - Part 4: Calculation parameters and their symbol
This standard defines the parameters, with their symbol, most commonly used in plain bearing calculations
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
TS ISO 4378-4 is the part of a terminology-oriented standard that defines the calculation parameters used for plain bearings together with their symbols. It helps engineers use the same notation for the same quantities in bearing design and calculation work, reducing ambiguity across drawings, datasheets and technical documentation.
Why the symbols matter in bearing calculations
Plain bearings support a rotating shaft or similar moving part through a sliding contact surface. In this field, calculations commonly involve quantities such as load, friction, clearance, lubrication condition and geometry. The scope of this standard is the organisation of the parameters most commonly used in those calculations, together with their symbols; in other words, it establishes a common technical notation for the most relevant quantities.
In general technical practice, vocabulary-and-symbol standards like this one support consistent communication between designers, manufacturers and documentation teams. That consistency is especially valuable in plain bearings, where a misread symbol or parameter can change the interpretation of a calculation or design specification.
Document scope and type
- This document covers the parameters and symbols commonly used in plain bearing calculations.
- It is a part of the TS ISO 4378 series, which addresses terms, definitions and classification for plain bearings.
- It was based on ISO 4378-4:1997 and is now withdrawn.
- Publication Date: 16.04.2004
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: tr, en, fr
- ICS Classification: 01.040.21 Genel Amaçlı Mekanik Sistemler ve Bileşenleri (Terimler); 21.100.10 Kaymalı Yataklar
- Pages: 18
- Source Standard: ISO 4378-4:1997
- International Equivalents: ISO 4378-4-EQV; DIN ISO 4378-4-EQV; NF E22-503;NF ISO 4378-4-EQV
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.