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An angle between the contact angle of the bearing axis perpendicular to the plane of the (radial plane) and through the bearing ring or washer of force transmission to the rolling line of action (nominal line of action) between.

2 Nene balls group (outside diameter) ball bearing column (outside) then the cylinder diameter.

3 within the group of rollers (outer) diameter of the contact roller in the radial direction of a row roller bearing inner (outer) diameter of the cylinder connection.

4 bearing nominal width of the ferrule end face of the distance between two theories (washer back) between. For defining the width of radial bearings (thrust bearing height).

5 Two radial bearings bearing the actual width of the bearing axis and defining the actual width of the ferrule end face cut distance between the plane of intersection. With the inner face and the outer end faces of the bearing width.

6 bearing the actual width of the actual width of the bearing deviation from the nominal width of the poor.

7 radial runout of assembled bearing inner ring in the inner Kia different angular positions, the maximum and minimum radial bore relative to the outer surface of the difference between a fixed point distance. In the angular position of the point or in the vicinity of both sides should be rolling at inner and outer or inner ring raceway back wall (tapered roller bearings) that contacts the inner surface of the bearing parts in the normal relative position.

8 radial runout of assembled bearing outer race in the outer Kea different angular positions, the maximum and minimum outer diameter of the radially inner surface of a relative difference between the fixed distance. In the angular position of the point at or near the sides of the rolling surface should be in contact with inner and outer or inner ring raceway back wall (tapered roller bearings) within that bearing parts in the normal relative position.

9 sets the end face of the bearing inner ring raceway in the inner beating Sia different angular positions, the radial distance from the axis of the inner ring is equal to half of the inner ring raceway diameter of the inner ring relative to the reference end face The maximum and minimum axial difference between the outer ring of a fixed-point distance. Inner and outer raceway should contact with the rolling elements.

10. Sets the end face of the bearing outer ring raceway of the outer ring when the beating Sea different angular positions, the radial distance from the axis of the outer ring raceway of the outer ring is equal to half of the diameter, the outer end face opposite the reference The maximum and minimum axial difference between the inner ring of a fixed point distance. Inner and outer raceway should contact with the rolling elements.

11 end face bore beating Sd inner radial distance from the axis of the raceway contact diameter equal to its semi place, perpendicular to the plane of the ring and the maximum and minimum baseline ferrule end face between the axis line difference between the axial distance.