1 contact angle axis line perpendicular to the bearing plane ( radial plane ) and the bearing ring or gasket through the rolling elements of the force transmission to the line of action ( action line nominal ) angle between .
2 balls group ( OD ) within a ball bearing inner ( outer ) diameter of the cylinder connection .
3 roller group ( outside ) diameter radial contact roller bearings inside a roller inside ( outside ) then the cylinder diameter.
4 bearing two theoretical nominal width ferrule end face ( gasket on the back ) the distance between . Intended to limit the width of radial bearings ( thrust bearing height ) .
5 the actual width of the bearing axis radial bearing line and bearing width limited ferrule end face two actual distance between the intersection of the tangent plane . With the inner face and the outer end faces of the bearing width .
6 deviation of the actual width of the actual bearing bearing width and nominal width of the poor.
7 runout of assembled bearing inner ring inner Kia at different angular position relative to the outer surface of the hole to a fixed point between the maximum and minimum radial distance difference . The angular position of the point at or near the place of the rolling elements on both sides should be within the outer ring raceway or inner rear wall ( tapered roller bearings ) surface contacts the inner bearing parts in the normal relative position .
8 runout of assembled bearing outer ring outer ring Kea different angular position relative to the inner diameter surface of a stationary between the maximum and minimum radial distance difference . The angular position of the point at or near the side of the rolling elements should be in place within the outer ring raceway or inner rear wall ( tapered roller bearings ) surface contacts the inner bearing parts in the normal relative position .
9 sets of bearing inner side facing the inner raceway of the beating Sia in different angular positions, the radial distance from the axis of the inner ring raceway is equal to half the diameter of the contact point , the inner face and opposite the reference the outer ring to a fixed point of the axial distance between the maximum and minimum of the difference . Inner and outer raceway shall be in contact with all the rolling elements .
10 sets of bearing outer side face of the outer ring raceway beating Sea in different angular positions, the radial distance from the axis of the outer ring raceway contact diameter equal to the outer ring at half of the outer ring relative to the reference face and between a fixed point on the inner maximum and minimum axial distance difference . Inner and outer raceway shall be in contact with all the rolling elements .
11 beats bore side facing away from the inner ring axis line Sd radial distance equal to half the diameter of the contact roller in a vertical axis of the ferrule the reference plane of the end face of the ferrule between the maximum and minimum the difference between the axial distance .