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Tapered Roller Bearing and Automotive Pinion Shaft Supporting Apparatus Utilizing Same Tapered Roller Bearing
| Content Provider | The Lens |
|---|---|
| Abstract | A tapered roller bearing according to the invention is such that when an arithmetical mean roughness as a surface roughness of a large end face of a tapered roller is σ1 and an arithmetical mean roughness as a surface roughness of a large rib surface of an inner ring is σ2, σ1 is 0.04µm or larger, and a composite roughness that is expressed by a square root of a sum of a squared value of σ1 and a squared value of σ2 is 0.17µm or smaller. Raceway surfaces of an outer ring and the inner ring and a rolling contact surface of the tapered roller are crowned, and a total crowning amount is set to 50µm or larger, an outer ring crowning rate is set to 40% or larger, and a roller crowning rate is set to 20% or smaller. |
| Related Links | https://www.lens.org/lens/patent/009-829-922-423-379/frontpage |
| Language | English |
| Publisher Date | 2017-08-30 |
| Access Restriction | Open |
| Alternative Title | Kegelrollenlager Und Unterstützungsvorrichtung Für Eine Ritzelwelle Eines Kraftfahrzeug, Die Das Kegelrollenlager Verwendet Palier À Rouleaux Coniques Et Dispositif De Support D'un Arbre De Pinion De Véhicule Automobile, Utilisant Le Palier À Rouleaux Coniques |
| Content Type | Text |
| Resource Type | Patent |
| Date Applied | 2006-08-16 |
| Agent | Hoefer & Partner Patentanwälte Mbb |
| Applicant | Jtekt Corp |
| Application No. | 06017071 |
| CPC Classification | SHAFTS;FLEXIBLE SHAFTS;ELEMENTS OR CRANKSHAFT MECHANISMS;ROTARY BODIES OTHER THAN GEARING ELEMENTS;BEARINGS |
| Extended Family | 102-117-916-840-454 053-857-641-606-80X 188-052-722-394-340 165-791-177-197-556 009-829-922-423-379 081-565-157-589-738 |
| Patent ID | 1754898 |
| Inventor/Author | Matsuyama Hiroki Chiba Hiroyuki Toda Kazutoshi |
| IPC | F16C19/36 F16C23/08 F16C33/36 F16C33/58 F16H57/021 F16H57/037 |
| Status | Active |
| Simple Family | 102-117-916-840-454 053-857-641-606-80X 188-052-722-394-340 165-791-177-197-556 009-829-922-423-379 081-565-157-589-738 |
| CPC (with Group) | F16C19/364 F16C19/225 F16C23/088 F16C33/366 F16C33/585 F16C2240/50 F16C2240/54 F16C2240/70 F16C2361/61 F16C33/36 |
| Issuing Authority | United States Patent and Trademark Office (USPTO) |
| Kind | Separate publication of European search report |
