E-bike EB-007 Right center shaft
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E-bike EB-007 Right center shaft
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Motor bearings, also known as electric motor bearings or motor bearings, are a specialized type of bearing applied to electric motors or motors. A bearing used in an electric motor is a component that supports the shaft, guides the shaft's rotation, and also withstands the shaft's idle components
Motor bearings utilize smooth metal balls or rollers and lubricated metal surfaces on the inner and outer rings to reduce friction. These balls or rollers “carry” the load and support the motor spindle, allowing the motor (rotor) to rotate smoothly.
Most small and medium-sized motors use rolling bearings. Large and medium-sized motors also use rolling bearings. Small motors use ball bearings (deep groove ball bearings). Medium-sized motors use roller bearings at the load end (generally used for high load conditions) and ball bearings at the non-load end (but the opposite is also true, e.g. for 1050kW motors). Rolling bearings are lubricated with grease, but also with lubricant.
Motor shaft type classification introduction
I. Linear Shaft
Linear shafts are long shafts with a circular cross-section, which are mainly suitable for machines, equipment and tools that need to realize linear motion. Common linear shaft materials include steel, stainless steel, aluminum alloy and so on. Linear shafts are widely used in CNC machine tools, printing machines, packaging machines, elevators and other equipment.
Second, round shaft
Round shaft refers to the cross-sectional area of the shaft is round, commonly used in some need to rotate the machine equipment and tools. The material of round shaft can be steel, stainless steel, brass and so on. Round shafts are widely used in fans, electric motors, automobile engines, ships and other fields.
Third, square shaft
Square shafts are shafts with square or rectangular cross-sectional area and are used in machines, equipment and tools that require twisting or turning. Compared with round shafts, square shafts have higher torque and torsional hardness. Square shafts are widely used in hydraulic presses, punching machines, wire winches, transmission boxes and other components.
Four, hexagonal shaft
Hexagonal shaft is a kind of hexagonal cross-section of the shaft. It has many advantages, such as good torsional performance, transfer torque. Commonly used in drills, wrenches, screwdrivers and other hand-held tools, as well as automotive parts and other fields.
Five, shaped shaft
Shaped shaft refers to the irregular shape of the shaft, mainly used in some special occasions, such as tapered shaft, corrugated shaft and so on. Shaped shafts can be designed and processed according to the needs of the work, and are suitable for special machines, equipment and tools.
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