What is the scope of application of needle bearing needles?

The structure of needle bearing needles  is diverse, and the scope of application is also different. The details are as follows:

(1) Needle bearing needles of stamping outer ring. This kind of bearing has two types: perforated type and sealed type. The drawn cup needle roller bearing has no inner ring, and the needle directly contacts the surface of the shaft. Therefore, the machining accuracy and heat treatment hardness of the shaft should be the same as the inner ring of the bearing.

Scope of application: Drawn cup needle roller bearings with cages are suitable for high speed and heavy loads, and are mostly used in gearboxes for machine tools, automobiles, and motorcycles or textile machinery. The stamped ferrule needle roller bearing without cage, because it is filled with needle bearing needles, is suitable for swinging working conditions under heavy load. Such as the frame of the aircraft, the shaft end of the main wing of the missile, etc.

(2) Needle bearing needles for solid ferrules. Needle bearing needles for solid ferrules. Commonly used needle bearing needles for solid ferrules are NA type and RNA type.

Scope of application: Solid ferrule needle roller bearings are mostly used in machine tools and automobile gearboxes. Its advantages are small radial section size and large radial load. The standard type solid ferrule needle roller bearings have cages, so the speed is higher, which can meet the requirements of machine tools and automobile gearboxes.

(3) Roller needle roller bearings

Scope of application: printing machinery, pasture machinery, agricultural machinery, rollers for guide rails of CNC equipment, conveyor lines, etc.

(4) Needle bearing needles and cage assembly. Needle roller and cage components are actually needle roller bearings without ferrules

Scope of application: This kind of bearing is mostly used for the large and small ends of the connecting rods of gearboxes, motorcycles and automobiles. As the temperature inside the cylinder rises, the bearings must be resistant to high temperatures.

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