Heat Generation in Cryogenic Turbopump Bearing

• Published in: Tribology Online Vol. 16; no. 4; pp. 271 - 278
• Main Authors: Kakudo, Hiromitsu, Takada, Satoshi, Hirayama, Tomoko
• Format: Journal Article
• Language: English
• Published: Japanese Society of Tribologists 30.11.2021
• Subjects: ball bearing; cryogenic; rocket engine; solid lubrication; turbopump

Ball bearings on the main shaft of rocket engine turbopumps which supply cryogenic propellants to the main combustion chamber are critical elements of the entire propulsion system of a rocket. A self-lubricating ball bearing with a retainer made of glass-cloth-polytetrafluoroethylene (PTFE) laminate...