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09 2025-09
Are the bearings on car wheels lubricated? Why are they never replaced?
Of course, there is lubricating oil inside the wheel bearing of a car, but it is a grease with low fluidity (yellow dry oil). Of course, the wheel bearing of the car will be broken, but it can be replaced with a new bearing directly after it is broken. Relatively speaking, the rolling bearings used in small non-heavy machinery are maintenance-free for life.
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09 2025-09
How to correctly judge the running law and fault of rolling bearing
The rolling bearing shows strong regularity during its use, and the repeatability is very good. Normal high-quality bearings (rolling bearings) at the beginning of use, vibration and noise are relatively small, but the spectrum is somewhat scattered, the amplitude is small, may be due to some defects in the manufacturing process, such as surface burrs caused.
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09 2025-09
Smoothing method for rolling bearings
Rolling bearing is an important mechanical component. Whether the function of a mechanical equipment can be brought into full play depends on whether the smooth bearing is appropriate. Smoothness is a necessary condition to ensure the normal operation of the bearing. It plays an important role in improving the bearing capacity and service life.
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09 2025-09
About the Selection of Rolling Bearings
Generally speaking,under the same dimensions.the bearing capacity of roller bearings is 1.5-3 times that of ball bearings.so when there is a large load or impact load.we can give priority to roller bearings.However,when the diameter is less than or equal to 20mm,the carrying capacity of the two is similar,and the price of ball bearings is cheaper than roller bearings.
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09 2025-09
National standards for rolling bearings
GB/T 27555-2011 Technical Conditions for Rolling Bearings with Seated Spherical Ball Bearings; GB/T 27559-2011 Cylindrical Roller Bearings for Machine Tool Spindles of Rolling Bearings; GB/T 27560-2011 Technical Conditions for Casting Bearings of Spherical Ball Bearings; GB/T 25760-2010 Rolling Bearing Needle Roller and Thrust Ball Combination Bearings Outline...
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