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When using INA bearings, we usually use the bearing seals, especially in harsh environments, sealing is indispensable part of guarantee bearing good functioning. Seal larger role than shields. And subjected to rotational flexibility and lower-speed rotational restrictions. Therefore, when designers in selecting appropriate seals, you must consider the performance of lubricants and transmission systems and the desired working conditions.
In a normal sealed roller bearings, main seals, and width limit the length of the roller, limiting the ability of INA bearing loads. Therefore, in their design of new type roller bearing, include the cage edge in seal gap, enables the long rollers, earned roll cage diameter increased and lengthened, while cage lengths are not increased, reaching higher 34% Basic rated load capacity, equivalent to extend bearing life 27 times times. The quality of bearing selection "T-F" bearing steel, is also key to improve bearing performance, uneven because of impurities in the material and lubrication is the main reason causing premature failure of the bearing.
For roller bearings in use to withstand high loads, strong impact, as well as water and rust scrap penetrated, developed a novel ultra high load capacity sealed, clean lubrication of roller bearings. It is said that the bearing load capacity can be increased by 34%,, with higher reliability, can work long hours under poor lubrication conditions. INA bearing of their improved sealing performance, integration optimization principles of mechanical design, material and seals patent technology, and easy to install.
Experience has shown that, in the work of the polluted conditions, within easy access of INA bearing clastic, and clastic particles may damage the Raceway, resulting in stress concentration. In addition, if the lubrication is not uniform, makes the metal contact surface hard, resulting in tiny "peeling" damage, can also cause contact areas of stress concentration, these two results cause stress concentration of metal parts have a sub surface cracks and ultimately shorten bearing life.
Studies have shown that by altering the organization bearing steel, bearings can be improved under the condition of contamination, or working life under marginal lubrication conditions, and increase their ability to release the concentrated stress on edge.
Motor vehicle when in motion and glide, front wheel bearing noise unchanged, such as maintain the speed and effect of braking, can reduce the rounds contained INA bearing part load, thereby reduces noise, noise source can be found where they came from.
When the speed is greater than when the 48km/h, unless serious damage to rear axle, rear wheel bearings under normal circumstances little noises can be heard, when cars glide or neutral, crack on rear wheel bearing will have a "long halogen sound, rear wheel bearings and denudation is issued" swish swish "sound.
Reducer with tapered active differential bearings and bearing noise distinguish
Reducer bearing usually have a shrill "long halogen or" Gaga "sound, sound beats stability, vary with the speed change.
Sound of front bearing tapered active gear reducer Motors glide large, larger rear bearing noise when you drive.
Differential bearing noise is usually a constant cacophony of sound, but it beats more than active gear reducer tapered bearings to alleviate much of the noise.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 21315EAKE4 NSK | 75 | 160 | 37 |
| 22215EAKE4 NSK | 75 | 130 | 31 |