How to assemable 12mm needle bearing?
The installation of 12mm needle bearing is usually carried out using an auxiliary sleeve. At this time, the auxiliary roll or auxiliary sleeve supports the needle roller to prevent the needle from falling out, and the journal lifts the needle roller with its own chamfering Angle.
The outer diameter of the auxiliary roller and auxiliary sleeve should be 0.1-0.3mm smaller than the diameter of the shaft. During installation, grease is first applied to the inner surface of the bearing outer ring, a needle roller is affixed to the inner surface tightly , and then the auxiliary roller or auxiliary sleeve that replaces the journal or 12mm needle bearing inner ring is pushed into the outer ring hole, and its end face is aligned with the end face of the mounting shaft or the end face of the bearing inner ring that has been installed on the shaft, and then press or hammer is used to exert pressure.
12mm needle bearing can also be installed in this way, that is, the outer diameter of the auxiliary sleeve is coated with a thin layer of lubricating oil and inserted into the outer ring of the 12mm needle bearing, so that the auxiliary sleeve and the outer ring of the bearing form an annular hole, and then the needle roller is installed in the annular hole.
For 12mm needle bearing with only stamped outer ring, because the outer ring wall is very thin, do not use a hand hammer to hammer the installation, should use a press into. Because the pressure is not uniform when the hammer is knocked, it is easy to make the outer ring of the 12mm needle bearing produce local deformation.
If you need 12mm needle bearing or need any other bearings, please feel free to contact me!
Contact: Leon
Email: nsk@zyslbearing.com
Skype: lh19881023
MP/Whatsapp: +8615098916271
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