Needle Roller Bearing

Needle Roller Bearing

Needle roller bearing, needle bearing is the roller bearings with cylindrical roller, relative to its diameter, roller is thin and long. This is called needle roller. Although has a small cross-section, bearing still has high load capacity, needle bearing with fine and long roller 

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1)Drawn cup needle roller bearings, as the name suggests, are needle roller bearings with a deep drawn, thin-walled outer ring with either open ends or a closed end. They are characterized by a very low sectional height and high load carrying capacity. Drawn cup needle roller bearings are typically used in applications where the housing bore cannot be used as a raceway for a needle roller and cage assembly, but where a very compact and economical bearing arrangement is required.

2)Machined Type Heavy Duty Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.

 

3)Drawn cup needle roller clutches have a smallest radial section height among all clutches. This makes optimum use of the available space and allows compact designs. These clutches are suitable for transmitting high torque. They are normally used for converters, non-return devices and transcendental clutches. HF series is composed of thin-walled drawn outer ring and plastic cage. There are a series of ramps on its inside diameter and steel springs in the plastic cage. Needle rollers, which are retained and guided by a plastic cage, form the clamping elements. HFL series has two integral radial bearings arranged on both sides of needle roller clutch. They can therefore support radial forces in particularly space-saving bearing arrangements.