Antifriction bearing

US6579011B2 · kind B2 · utility

Assignee

• AKTIEBOLAGET SKF · SE

Inventors

• Klaus Muschiol · Schweinfurt, DE
• Robert Grull · Ochsenfurt, DE
• Armin Olschewski · Schweinfurt, DE
• Alfred Weidinger · Niederwerrn, DE

Key dates

• Filing date: Nov 23, 2001
• Grant date: Jun 17, 2003
• Expiry date: Nov 23, 2021

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16C2240/30
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

An antifriction bearing includes a plurality of rolling elements each having a lateral surface possessing a conical shape, with the rolling elements being positioned between a conical raceway and a cylindrical raceway to roll along the conical raceway and the cylindrical raceway. The lateral surface of each rolling element forms an angle with a center axis of the rolling element that is 3° at maximum, and the lateral surface of each rolling element has a convex curvature that is superimposed on the conical shape. The bearing can also include a first bearing ring having a running surface constituting one of the conical and cylindrical raceways. An antifriction bearing arrangement incorporating such an antifriction bearing is also provided with a stop element having a stop face contacting the end face of each of the rolling elements.