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How to install ntn needle roller bearings?

151 Published by admin Jul 29,2019

How to install ntn needle roller bearings?
Install full load ntn needle roller bearing, usually using auxiliary sleeves.At this time, the auxiliary roller or the auxiliary sleeve support the roller needle does not make the roller needle fall out, the shaft neck with its own chamfer will lift the roller needle, as the ntn needle roller bearings in the shaft neck slowly moving, the auxiliary roller or the auxiliary sleeve will slowly exit, until installed to the working position.

original ntn needle roller bearings
NTN needle roller bearings can also be installed in this way: apply a thin layer of lubricating oil to the outer diameter of the auxiliary sleeve and insert it into the outer ring of the bearing, so that the auxiliary sleeve and the outer ring of the bearing form an annular hole, and then install the needle roller in the annular hole.After installing the roller needle, push out the auxiliary sleeve with the working shaft.
For ntn needle roller bearings without inner ring or outer ring, apply a thin layer of lubricating grease to the rolling surface of shaft or shell hole and attach the needle to the lubricating grease of installation part.The last needle roller shall be affixed with a clearance of 0.5mm on the circumference of the ntn needle roller bearings.

ntn needle roller bearings

It is not possible to squeeze in the last roller needle, or to install one less roller needle, because the bearing will be jammed and unable to rotate;When less installation, the clearance is too large, easy to cause torsion and fracture of roller needle during bearing operation.For ntn needle roller bearings with only stamping outer ring, because the outer ring wall is very thin, do not hit the installation with a hand hammer, use a press to press in.Because the pressure is not uniform when the hammer strikes, it is easy to cause local deformation of the outer ring of ntn needle roller bearings.
If you want to know more about ntn needle roller bearings or need any other bearings, please also contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271

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