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Lubrication of high-speed, large bore tapered-roller bearings
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Signer, H. R. Parker, R. J. |
| Copyright Year | 1977 |
| Description | The performance of 120.65-mm- (4.75-in.-) bore tapered-roller bearings was investigated at shaft speeds up to 15,000 rpm (18,000 DN). Temperature distribution and bearing heat generation were determined as a function of shaft speed, radial and thrust loads, lubricant flow rate, and lubricant inlet temperature. Lubricant was supplied either by jets or by a combination of holes through the cone directly to the cone-rib contact and jets at the roller small-end side. Cone-rib lubrication significantly improved high-speed tapered-roller bearing performance, yielding lower cone-face temperatures and lower power loss and allowing lower lubricant flow rates for a given speed condition. Bearing temperatures increased with increased shaft speed and decreased with increased lubricant flow rate. Bearing power loss increased with increased shaft speed and increased lubricant flow rate. |
| File Size | 1583720 |
| Page Count | 29 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19770026573 |
| Archival Resource Key | ark:/13960/t47q3sc59 |
| Language | English |
| Publisher Date | 1977-01-01 |
| Access Restriction | Open |
| Subject Keyword | Mechanical Engineering Lubricants Bearings Roller Bearings Helicopters Lubrication Transmissions Machine Elements Lubrication Systems Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
