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      Wheel Bearing is a set of steel balls or rollers held together by a metal ring called a race. They help wheels spin fast with as little friction as possible. They are used on all kinds of vehicles, fr... View More
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      When you need to change the wheel hub bearing,you also need to replace many other parts at the same time,such as hub nut,bolt,seals,split pin,and so on. If you buy these accessories separately, it wil... View More
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      Clutch Release Bearing is what presses down on the rotating spring plate or "pressure plate" to release the clutch disk. Levers and springs in the pressure plate release the clutch from the engine's f... View More
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      AiX provide you with the high quality of electric fuel pump and fuel pump assembly.Fuel pump assembly is one of the vital components of fuel injection system for EFI vehicle. It dispenses fuel from a ... View More
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      Automotive Water Pump is part of the cooling system that is used inside most car engines. A functioning water pump is mandatory for the car to work, as it keeps the engine temperature below a certain ... View More
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      When you want your car to slow down or stop, you need to take the brake operation. At this point, you need to step down your brake pedal. In brake systems, the operated devices are cylinders inside of... View More
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      Crankshaft is also known as crank.It is the important part of an engine to convert the up and down motion of the pistons into horizontal rotation.It is usually made by cast iron or forged steel.The m... View More
    • VVT PHASER & OCV VVT PHASER & OCV
      VVT is the abbreviation of Variable Valve Timing. VVT PHASER is the vital component for the VVT engines.The variable valve timing technology was first developed by the Fiat in the 1960s, but the techn... View More
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It Is A Little Puzzling How Many Set Screws Are Needed In The Wheel Hub Assembly
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It Is A Little Puzzling How Many Set Screws Are Needed In The Wheel Hub Assembly It Is A Little Puzzling How Many Set Screws Are Needed In The Wheel Hub Assembly

For set screws of automobile wheel hub assembly, it is believed that many people do not count them themselves because some cars have four, some cars have five. So the question is, what's the difference between four screws and five screws? Can it be unsafe if a screw is missing?

First of all, these screws is used to fix the wheel hub assembly. Then, can it be unsafe if a screw is missing? It is not. Before the cars leave the factory, they are rigorously tested such as bench test, road test, etc. So whether it is 4 or 5, there is no difference in essence, because a screw will not affect the safety of driving. In Formula one racing, secure with a screw for convenience of replacing the tires.

Of course, do not worry about the quality problem of screws. As is known, the tire relies on the wheel hub assembly, and then the powerful power system ultimately outputs all the power from the axle to the wheel hub assembly. And hub bolts(set screw mentioned just now) are the means of transmission. It can be said that the design and calibration are very careful, so do not worry about the quality of parts. As for the number of screws, it is not arbitrary. It is related to the vehicle weight, wheel hub assembly stress and weight distribution. In general, the family car of about $100,000, there are 4 set screws in the wheel hub assembly. However, for medium - and large-sized vehicles such as SUV, five screws are basically required to fix them. For some luxury models, six screws are also required.

All in all, the number of screws in the wheel hub assembly depends on whether your car is SUV or luxury car or family car. Of course, the number of screws are calculated by the engineers according to the weight of the car body and the bearing capacity. It is not more or less, so don't worry.
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