1, temperature: effect of temperature on the bearing, high temperature indicates that the bearing is often used in unusual circumstances. High temperatures may also be harmful to the bearing lubricant. SKF bearings to overheat sometimes can be attributed to the tapered roller bearing lubricant. Bearing temperature in more than 125 ° c long-term continuous transfers reduce the bearing life. Cause of the high temperature bearings including: inadequate or excessive lubrication lubrication, lubricant. Contains impurities, excessive load, rings of bearing damage, inadequate clearance, and oil have high friction and so on.
2, vibration: vibration damage to the bearings can be said to be quite sensitive to indentation cracks, wear, corrosion, spalling, are reflected in the tapered roller bearing vibration measurement. So, by using a special FAG bearing vibration Measurer (frequency Analyzer, etc) measures the size of the vibration, through frequency not infer exceptions to the specific situation. Measured values from bearing conditions of use or the sensor installation location is different and therefore require prior to each machine analysis and comparison of measurement values to be determined criteria.
According to the location and conditions of use and environmental conditions select size, accuracy, combined with suitable bearing is to guarantee the service life of the bearing and the feasibility of the premise.
1, use part: Taper roller bearings are suitable to withstand radial load-oriented combination of radial and axial load, usually with two sets of paired bearings, mainly on the front and rear wheels of the car, the active cone transmission parts such as gears, differentials, gearbox.
2, allows speed: correctly installed, lubrication good environment, allow for NSK bearing limit rotational speed of 0.3 per cent. Under normal circumstances, to 0.2 times the speed limit for the most desirable.
3, allowing tilting angle: tapered roller bearings are generally not allowed to tilt axis relative to the shell holes, such as tilt, maximum not more than 2 ′.
4, the allowable temperature: under normal load, and with high temperature performance of lubricants and lubrication under adequate conditions, usually bearing allows the ambient temperatures of-30 ° c-150 ° c.