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Suffix code for spherical roller bearings
2022-03-22
The tapered hole self-aligning roller bearings with the post codes K and K30 are installed on the matching adapter sleeve, and then become the post codes K+H type and K30+H type bearings. This kind of bearing can be installed on the optical shaft without shaft shoulder, and is suitable for occasions where the bearing needs to be installed and disassembled frequently. In order to improve the lubricating performance of the bearing, there is an annular oil groove and three oil holes evenly distributed on the outer ring of the bearing, and the rear code is W33.
Precautions for installation of needle roller bearings
The installation of full complement needle roller bearings is usually carried out with auxiliary sleeves. At this time, the auxiliary roller or the auxiliary sleeve supports the needle roller so that the needle roller does not fall out, and the journal lifts the needle roller with its own chamfer. As the needle bearing slowly moves inward on the journal, the auxiliary roller Or the auxiliary sleeve will slowly withdraw until it is installed to the working position.