# US 2014/0153855 A1 · Rolling Bearing Having Insulating Material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0153855 A1 - Document ID: US20140153855A1 - Status: Published application - Kind: A1 - Application number: 14/118,507 - Filed: 2011-05-16 - Published: 2014-06-05 - Earliest claimed: 2011-05-16 - Inventors: Thierry Adane; Stephane Cordier - Web page: https://patentgrep.com/patent/US20140153855A1 ## CPC - F16C 33/62: Selection of substances - F16C 19/163: {with angular contact} - F16C 27/066: {Ball or roller bearings} - F16C 33/588: {Races of sheet metal} - F16C 33/60: divided {or split, e.g. comprising two juxtaposed rings} - F16C 33/6648: {in a porous or resinous body, e.g. a cage impregnated with the liquid} - F16C 33/6651: {in recesses or cavities provided in retainers, races or rolling elements} - F16C 19/06: with a single row or balls - F16C 33/767: {integral with the race} - F16C 2202/30: Electric properties; Magnetic properties - F16C 2361/61: Toothed gear systems, e.g. support of pinion shafts - F16C 2380/26: Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators - F16C: SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS ## Abstract A rolling bearing comprising an inner ring, an outer ring, at least one row of rolling elements between the inner and outer rings, and an annular housing comprising at least one part surrounding at least one of the rings, said outer ring comprising two separate parts, each of the two parts of said outer ring defining one closed space with the housing. At least one part forming said housing or said outer ring has a sandwich structure with an inner layer made of a damping material and two outer layers made of a metallic material surrounding the inner layer. ## Claims ### Claim 1 A rolling bearing comprising an inner ring, an outer ring, at least one row of rolling elements between the inner and outer rings, and an annular housing comprising at least one part surrounding at least one of the rings, said outer ring comprising two separate parts, each of the two parts of said outer ring defining one closed space with the housing, characterized in that at least one part forming said housing or said outer ring has a sandwich structure with an inner layer made of a damping material and two outer layers made of a metallic material surrounding the inner layer. ### Claim 2 (depends on 1) The rolling bearing according to claim 1, in which only the outer ring has said sandwich structure and the housing is manufactured by cutting and pressing a metal sheet. ### Claim 3 (depends on 1) The rolling bearing according to claim 1, in which only the housing has said sandwich structure and the outer ring is manufactured by cutting and pressing a metal sheet. ### Claim 4 (depends on 1) The rolling bearing according to claim 1, in which both the housing and the outer ring have said sandwich structure. ### Claim 5 (depends on 1) The rolling bearing according to claim 1, in which the damping material has electric insulating properties. ### Claim 6 (depends on 1) The rolling bearing according to claim 1, in which the damping material is an elastomeric material. ### Claim 7 (depends on 1) The rolling bearing according to claim 1, in which the housing comprises two distinct parts for retaining the parts of said outer ring and fixing element for fixing the distinct parts together, said first part of the housing comprising an inner axial cylindrical portion for retaining radially said outer ring and said second part of the housing comprising an outer axial cylindrical portion surrounding said inner axial cylindrical portion. ### Claim 8 (depends on 7) The rolling bearing according to claim 7, in which the first part of the housing comprises a radial flange extending radially from the inner axial cylindrical portion towards the inner ring and defining with one of the parts of the outer ring a first closed space. ### Claim 9 (depends on 7) The rolling bearing according to claim 7, in which the second part of the housing comprises a radial flange extending radially from the outer axial cylindrical portion towards the inner ring and defining with one of the parts of the outer ring a second closed space. ### Claim 10 (depends on 7) The rolling bearing according to claim 7, in which both closed spaces contain a lubricant and act as lubricant reservoirs. ### Claim 11 (depends on 10) The rolling bearing according to claim 10, in which each of said separate parts of the outer ring comprises a fluid passageway for the lubricant contained in the closed spaces. ### Claim 12 (depends on 7) The rolling bearing according to claim 7, in which the fixing element comprises one of weld, brazing or glue. ### Claim 13 (depends on 6) A rolling bearing according to claim 6, in which the elastomeric material is one of a rubber material or a thermoplastic elastomer. ### Claim 14 (depends on 2) The rolling bearing according to claim 2, in which the damping material is an elastomeric material. ### Claim 15 (depends on 3) The rolling bearing according to claim 3, in which the damping material is an elastomeric material. ### Claim 16 (depends on 4) The rolling bearing according to claim 4, in which the damping material is an elastomeric material. ### Claim 17 (depends on 8) The rolling bearing according to claim 8, in which the second part of the housing comprises a radial flange extending radially from the outer axial cylindrical portion towards the inner ring and defining with one of the parts of the outer ring a second closed space. ### Claim 18 (depends on 8) The rolling bearing according to claim 8, in which both closed spaces contain a lubricant and act as lubricant reservoirs. ### Claim 19 (depends on 9) The rolling bearing according to claim 9, in which both closed spaces contain a lubricant and act as lubricant reservoirs.