Results 81 to 90 of about 38,585 (217)

Effect of Hoop Stress on Ball Bearing Life Prediction [PDF]

A finite-element analysis (FEA) of a generic, dimensionally normalized inner race of an angular-contact ball bearing was performed under varying conditions of speed and the press (or interference) fit of the inner-race bore on a journal.
August, Richard, Coe, Harold H., Zaretsky, Erwin V.   +2 more
core   +1 more source

Analysis of Space Station Centrifuge Rotor Bearing Systems: A Case Study [PDF]

A team of NASA bearing and lubrication experts was assembled to assess the risk for the rolling-element bearings used in the International Space Station (ISS) centrifuge rotor (CR) to seize or otherwise fail to survive for the required 10-year life.
Loewenthal, Stuart H., Morales, Wilfredo, Oswald, Fred B., Poplawski, Joseph V., Street, Kenneth W., Jr., Zaretsky, Erwin V.   +5 more
core   +1 more source

Thermal-Tribological Synergy in PTFE-Based Self-Lubricating Retainers for Ball Bearings Under Oil-Depleted Conditions

Lubricants
To investigate the temperature rise characteristics and tribological performance of angular contact ball bearings equipped with polymer-based self-lubricating retainers under oil-depleted conditions.
Zhining Jia, Caizhe Hao
doaj   +1 more source

Ідентифікація похибки обертання радіально-упорного кулькового підшипника опори шпиндельного вузла [PDF]

, 2010
Theoretical research of possibility of identification of errors motion of inner rings of angular contact ball bearings is conducted after deformations of it outer rings. On an example loaded with axial force bearing changes of the deformed state of outer
Данильченко, Ю. М., Коломієць, В. І., Рудаков, К. М.   +2 more
core  

尺寸偏差作用下角接触球轴承载荷分布研究

Jixie chuandong, 2014
The solution of load distribution of rolling element bearing is closely related to the calculation of some key performance indicators,such as load-carrying capacity,lubrication characteristics,fatigue life and so on.In view of dimension deviation of ...
周夕维, 徐华, 熊显智, 王琳
doaj  

Study on Thermal Characteristics of Angular Contact Ball Bearings Considering Roundness Error

Lubricants
To develop an angular contact ball bearing with low power consumption, a heat generation calculation model for angular contact ball bearings has been established based on bearing quasi dynamics, elastohydrodynamic lubrication theory, heat transfer theory,
Yongjian Yu, Ruixiang Ma, Yujun Xue, Yonggang Liu   +3 more
doaj   +1 more source

Dynamic Characteristic Analysis of Angular Contact Ball Bearings with Two-Piece Inner Rings in Aero-Engine Main Shafts Under Unsteady-State Conditions

Lubricants
The dynamic interactions among the internal components of aero-engine main shaft bearings under unsteady-state conditions are intricate, involving clearance collisions, contact, friction, and lubrication.
Haisheng Yang, Qiang Liu, Si’er Deng
doaj   +1 more source

Analysis of the Influence of Rotor Coupling effect on Vibration of High Speed Angular Contact Ball Bearing

Jixie chuandong, 2015
Based on the displacement coupling relationship and loading equilibrium relationship between rolling bearings and rotor,a dynamics model of rolling bearings- rotor system based on the internal load- bearing deformation coordination condition is ...
Ye Zhenhuan, Liu Zhansheng, Wang Liqin
doaj  

Lubrication and performance of high-speed rolling-element bearings [PDF]

Trends in aircraft engine operating speeds have dictated the need for rolling-element bearings capable of speeds to 3 million DN. A review of high-speed rolling-element bearing state-of-the-art performance and lubrication is presented. Through the use of
Coe, H. H., Schuller, F. T., Zaretsky, E. V.   +2 more
core   +1 more source

Comparison of predicted and experimental thermal performance of angular-contact ball bearings [PDF]

Predicted bearing heat generation and bearing temperature were verified by experimental data for ball bearings over a range of sizes, shaft speeds, and lubricant flow rates.
Parker, R. J.
core   +1 more source