Outer spherical bearing and bearing seat installation, how to achieve the role of heart adjustment, the recent purchase of bearings (such as F211), by hand or inserted into the stick, turn bearings, bearings do not flip
Can try brand TR (Dongguan), TVVB (Shanghai), FS (Fujian) can achieve you say, hand can turn.
Where is the sphere, where is the adjustment of the heart?.
Normal range of adjustable heart up to + 2 degrees or so, if not considered lubrication, then adjustable heart range of about 8 degrees, I am a manufacturer here.
