1. Roller or needle bearings: geometry and equivalent radii
The load capacity of bearings is determined by the permissible Hertzian pressure in the rolling element/raceway contact. The shape of the pressure field in the contact depends on the geometric profile of the rollers. In the case of a cylindrical roller subjected to a centered load, edge effects cause stress peaks at the ends of the roller (Figure 1 ).
The Ultimate Scientific and Technical Reference
This article is included in
Mechanical functions and components
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Roller or needle bearings: geometry and equivalent radii
Hertzian pressure and deformation
Bibliography
Websites
SNR NTN-SNR Bearing Technology
http://www.ntn-snr.com/group/fr/fr-fr/index.cfm ?page=/group/home/technique_roulement
[page accessed on September 30, 2012]
SKF SKF Documentation
Standards and norms
- Bearings – Basic static loads. - ISO 76 - 2006
- Bearings – Basic static loads – Amendment 1. - ISO 76/A1 :2017 - 2017
- Basic static loads – Supplement 2 to ISO 76. - DIN ISO 76 :2019 - 2019
- Bearings – Basic dynamic loads and normal duration. - NF ISO 281 - 2007
- Bearings – Explanatory notes on ISO 281 – Part 1: Basic dynamic loads and basic nominal life. - ISO/TR 1281-1 - 2008
- Bearings...
The Ultimate Scientific and Technical Reference
