what is felt belt of differential friction shaft?

The term “belt of differential friction shaft” is not a standard term in mechanical engineering or automotive technology. However, I can provide some context that might help clarify what you’re referring to.
In a vehicle, the differential is a gear train that distributes engine power to the driven wheels, allowing them to rotate at different speeds as needed when the vehicle is turning. The shafts associated with the differential are typically the driveshaft (or prop shaft) and the axle shafts.
Here are a few interpretations of what you might mean by “belt of differential friction shaft“:
1. Driveshaft or Prop Shaft: This is the shaft that transmits power from the transmission to the differential. It does not typically have a belt; it is a solid or hollow shaft that rotates at high speeds. If there is a belt involved in the drivetrain, it would likely be part of a belt-driven system such as a timing belt or an accessory drive belt, but not directly related to the differential.
2. Axle Shaft: These are the shafts that extend from the differential to the wheels. They are not typically associated with belts either, as they are solid shafts that transmit power from the differential to the wheels.
3. Friction Shaft: This is not a standard term, but if we consider “friction” in the context of a drivetrain, it might refer to a component that uses friction to transfer power, such as a clutch or a torque converter. None of these components are belts, but a clutch might have a friction plate or disc that engages and disengages power transfer.
4. Timing Belt or Serpentine Belt: If by “belt” you are referring to a timing belt or a serpentine belt, these are not directly related to the differential. A timing belt synchronizes the camshaft and crankshaft in an internal combustion engine, while a serpentine belt drives accessories like the alternator, power steering pump, and air conditioning compressor.
If you are asking about a specific component or issue, please provide additional details or clarify the terminology you are using. This will help provide a more accurate answer to your question.

We have regular siezs belt of differential shaft: 15*3 mm; 20*3 mm.