Bearing race retention device and method

Details Bearing race retention device and method Bearing race retention device and method

F - Mech Eng,Light,Heat,Weapons

16

C

308/45, 26/94

F16C 33/30 (2006.01)

Patent

CA 1227241

-15- Abstract of the Disclosure Bearing Race Retention Device and Method A bearing race retention device for a ball or roller bearing assembly mounted between a pair of relatively rotatable members is disclosed. An annular race defines a smooth notchless cylindrical surface and a preselected diametral slip fit clearance with the first member for ease of assembly, and an annular groove of uniform and generally rectangular cross section is formed in the first member and is defined generally by a cylindrical seat and first and second side walls. Advantageously, a swellable elastomeric ring of unrestrained uniform circular cross section is compressibly disposed in the groove during initial installation of the race to a mean groove fill condition of at least 65% in volume, is constrained by the side walls spaced apart about 1 1/3 times the diameter of the elastomeric ring and is of a thermoset material sufficient for volumetrically swelling upon exposure thereof to a petroleum-based lubricating fluid in the clearance so that it substantially fills the groove and frictionally holds the race from rotating.

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