Bearing i.e. double-row tapered roller bearing, for supporting e.g. pinion of rear axle transmission, has chamber between inner ring and outer ring, where volume of chamber is increased or reduced by expanding or contracting diaphragm

摘要

#CMT# #/CMT# The bearing (1) has a chamber (4) between an inner ring (2) and an outer ring (3), where the chamber stands in fluidic connection with a pressure compensating device (5). The pressure compensating device has a flexible, gas-tight diaphragm (6), which hermetically limits volume of the chamber. The volume of the chamber is increased or reduced by expanding or contracting the diaphragm, and a roller body (7) is arranged in the chamber. The diaphragm is formed as a roller diaphragm, and is rotationally symmetrical to an axis (8). #CMT#USE : #/CMT# Bearing i.e. double-row tapered roller bearing, for supporting a pinion of a transmission i.e. rear axle transmission, and a wheel of a vehicle i.e. lorry (all claimed). #CMT#ADVANTAGE : #/CMT# The volume of the chamber between the inner ring and the outer ring is increased or reduced by expanding or contracting the flexible, gas-tight diaphragm of the pressure compensating device, thus compensating pressure of the chamber completely with surroundings in an optimal manner independent of the temperature of the chamber. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic view of a radial section of a bearing for supporting a shaft part, where the bearing has a pressure compensating device. 1 : Bearing 2 : Inner ring 3 : Outer ring 4 : Chamber 5 : Pressure compensating device 6 : Diaphragm 7 : Roller body 8 : Axis.