Long Cylindrical Roller and Cage Assemblies

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Product Details

Long Cylindrical Roller and Cage Assemblies

Product Description

UTOT® This kind of bearing is suitbale for the parts in which the radial size is specially limited.Since the bearing has not collar,the surface of shaft journal and the surface of housing inner borr are directly actedas rolling face.It is requested that the hardness,surface roughness and size accuracyos shaft journal surface and housing inner bore surface fitted with is be adaptable to the collar of bearing.Another pivot cylinder is modified as flat cylinder with M-type cage structure,It's speed performance is greatly improved.

Heavy-duty needle roller bearings have a machined and ground channel-shaped outer ring with a complement of needle rollers retained and guided by a cage. The thick outer ring provides maximum load capacity and shock resistance with a relatively small radial cross section.

With the high-strength cage retaining and guiding the rollers, this design provides high speed and lubrication retention capability. A lubrication groove and hole in the O.D. facilitate relubrication through the outer ring. These bearings can be used with or without a machined and ground inner ring depending on the suitability of the shaft as a raceway surface.

How to use Needle Roller Bearing ?
1.Keeping cleanliness of needle roller bearings and environment:
Even dust can bring negative effects to the machinery bearings. The working environment should be clean and keep the dust away.
2.Treating cautiously Strong striking would make scars and indentations for bearings and cause accidents. Under moderadamente graves the bearings can break up due to the indentations.
3.Choosing right tools Operator must choose right tools.

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