Who knows the technical parameters of 30613B and 30621 of these two tapered roller bearings?,
These two kinds of bearings are the special bearings in china.30613: also called "7713."30321: also called "7721".
These two kinds of bearings are the special bearings in china.30613: also called "7713."30321: also called "7721".The technical data of these two kinds of bearings are shown below! 30613 data from LYC, and 30621 from ZWZ!
The technical data of these two kinds of bearings are shown below! 30613 data from LYC, and 30621 from ZWZ!
