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Equivalent Static Load of 625 Bearings:
When a bearing is subjected to both radial and axial loads at the same time, the assumed load that causes the permanent deformation of the bearing to be equal to the permanent deformation of the contact center between the rolling element and the raceway that bears the maximum load is the equivalent static load. . Radial bearings are represented by purely radial loads.
The equivalent static load P of the radial bearing is calculated from the following two formulas. The larger value is used.
Por=XoFr+YaFa
Por=Fr
In the Formula:
Por: Radial equivalent static load, N or kgf
Fr: Actual radial load, same as or Kgf
Fa: actual axial load, N or kgf
Xo: Radial static load factor
Yo: Axis static load factor
Bearing Static Load of 625 Bearings
Basic static load rating “C” is used to calculate the bearing when:
. Low speed rotation (number of revolutions <10r/min)
· Slow swing
. To remain stationary under internal load for a certain period of time
It is also important to check the safety factor for short-term loads, such as impact loads or strong peak loads when the bearing is rotating (with dynamic stress) or stationary.
The basic static load rating is considered the ultimate load in general applications. In safety factor terms, this means the safety factor “S.” The base value is set to 1. General applications may require a larger safety factor or allow a smaller safety factor. The following table formula provides a guide for the selection of the safety factor “S.” and can be used to calculate the maximum (weighted) equivalent static load.
Co=So·Pomax
Application of 625 bearings:
NSAR are widely used in household appliance. micro-motors electrical tools garden machinery, motorcycles,automobiles,medical equipment, sports machinery, textile machinery and agricultural machinery.
Advantages of 625 bearing:
The bearings we manufacture are all low noise,low vibration,low friction, high precision, high sealed,high turning speed and long life.
Quality assurance certificate of 625 deep groove ball bearings
Quality is the key point for the NSAR. bearing’s growth and development, which always regards the improvement of high quality and service as the long-term-development strategy. NSAR has passed IS09001: 2000, 1S09001: 2008, and will struggle for the NSAR in long term.
In the Formula:
Co: Basic static load rating, KN
Po: Equivalent static load, KN
So: safety factor
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If the location of the vibration load is not known, the “S.” value will be at least greater than the value listed in the table. If the vibration load is known exactly, the “S.” value will be smaller.
