Auto Differential Bearings FAG Brand F-234977.12.SKL-H79 High Speed Ball Bearings
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Basic principles
Radio-controlled car manufacturers use the same basic design Schumacher created in the 1980s. The main part of the differential is a drive gear (or pulley in a belt transmission) with multiple holes cut through it, following its outside diameter. These holes are slightly larger than the width of the ball bearings, so that the balls, commonly around 2 mm diameter in a model car, sit inside the holes of the gear/pulley.
On either side of the gear are the thrust washers. The thrust washers are pushed against the ball bearings inside the gear by Belleville washers. On one side of the gear is an adjusting collar, which allows for adjustments in the amount of slip allowed by the differential.A thrust bearing (or thrust race), on the opposite side of the gear, is used to stop the differential from loosening the retaining screw holding the output cups, used to attach the differential to the axle, onto the differential.
As the screw is tightened it pushes the Belleville and thrust washers onto the gear/pulley. This creates contact between the washers and ball bearings inside of the gear/pulley. The friction created by the contact between the washers and ball bearings is, aided by grease (commonly silicone grease), designed so that as one washer moves, the ball bearings rotate.
As the washer on one side of the gear rotates, the rotation of the balls causes the other washer to rotate in the opposite direction, because any rotating ball will have opposite sides moving in opposite directions .
Differential movement is achieved through the process of the thrust washers rotating with the ball bearings. The retaining screw is designed so the differential can be easily adjusted by tightening or loosening the screw, consequently changing force. This makes the differential more adjustable than geared differentials, but there is a lower limit since the drive is by friction so there is always some limited slip action.
There are several types of balls used in this type of differential. Some of the most common ball materials used by high end racers are ceramic and tungsten based. The advantage to something like ceramic based balls is that they are much harder, and have a longer life expectancy. Oftentimes when using less hard materials, the balls will "flat spot" causing a semi locked direction of the ball. This causes the differential to not turn with a smooth feeling and leaves it with an overall "gritty" feeling.
The differential gear is a device that converts the driving force from the transmission into even greater driving force and allows for different numbers of rotations for the left and right wheels.
The differential allows wheels on the same axle to rotate at different speeds. When your vehicle goes around a corner the wheel on the outside has to travel faster than the wheel on the inside. The differential allows this to happen. Two wheel drive vehicles have one axle and four wheel drive vehicles have two.
FACTORY WORKSHOP
Welcome to Shandong Ruihe Bearing Manufacturing Co., Ltd., your trusted partner for high-quality bearings. With over twenty years of experience in the industry, we are a leading bearing manufacturer with a strong reputation for excellence.
CUSTOMER VISIT
As a professional bearing manufacturer, we offer a wide range of bearing products to meet the diverse needs of our customers. Our products are designed and manufactured to the highest quality standards to ensure reliability and durability. Whether you are looking for standard bearings or custom solutions, we have the expertise and capabilities to meet your requirements.
APPLICATION AREAS
It is mainly used to support the rotating body, reduce friction during movement, and ensure the rotation accuracy of the machine. They are widely used in many fields, machinery manufacturing, automobile industry, electric power industry, aerospace industry, railway transportation. Such as train wheel bearings and train wheel bearings, etc., play an important role in the operation of trains.
PACKING AND SHIPPING
If you are looking for a reliable and professional bearing manufacturer with over twenty years of experience, look no further than Shandong Ruihe Bearing Manufacturing Co., Ltd. Contact us today to learn more about our products and services, and discover how we can help you meet your bearing needs with excellence and precision.
FAQ
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Q: How is the product packaged?
A: Standard export seaworthy packing with waterproof paper inside and iron outside, secured by fumigated wooden pallets. It can effectively protect products from corrosion and various climate changes during Marine transportation.
Q: Is there quality inspection before loading?
A: Of course, all our products go through strict quality inspection before packing. Those that fail will be destroyed. Customers can also entrust a third party to inspect the products before loading.
Q: What are the loading ports?
A: In general, we ship the goods from Shanghai, Tianjin, Qingdao and Ningbo ports. You can designate other ports according to your needs.
Q:Can you deliver the goods on time?
A: Yes, we guarantee the best quality products and punctual delivery. Integrity is the tenet of our company.
Q: Can we take some samples? Any fees?
A: Yes, we can provide samples free of charge, but we don't pay for shipping. If you place an order after confirming the sample, we will refund your delivery fee or deduct it from the order amount.
Q: Can I visit your factory?
A: Of course. We welcome customers from all over the world to visit our factory.
Q: Are you a trading company or a manufacturer?
A: We are a professional bearing production company, but also a very professional bearing trading company
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