Composed of rolling bearing parts of the parts, but does not include all the accessories.
Bearing rings with one or more roller bearing to the heart of the circular parts.
Bearing washers   Raceway with one or more annular thrust bearing parts.
Flat ring is basically a detachable flat washer, with its inside or outside part of the heart as a cylindrical roller bearing to the outer or inner ring of a wall.
Thrust collar (detachable) with a detachable "L"-shaped cross-section of the ring, with its external part of the heart as to the inner ring of cylindrical roller bearings a wall.
In the ring with two or more columns in the roller of the roller bearings is inside a detachable ring for isolating two roller and guide roller.
Snap ring with a constant cross-section of single-port ring, mounted on the ring ditch, or in the shell roller bearing shaft axial positioning.
Lock ring with a constant cross-section of single-port ring, ring ditch as a ring mounted on roller or cage to keep the bearing.
Spacer is annular parts, for two washers between the bearing rings or bearings, bearing rings, or between two and a half or two and a half between the bearing washer, so that they provided between the axial distance.
Ring formed by one or several parts of the ring cover, fixed to the bearing and a ring or washer on the rings or washers with another contact or labyrinth of narrow gap formed to prevent oil leakage and the intrusion of foreign objects.
Dust cover is a circular shield, usually made of sheet metal stamping, fixed in a ring or washer bearing on, and extends toward the other ring or gasket, cover bearing interior space, but not with another ring or gasket contact.
Retaining ring attached to the inner ring or shaft of a part, the use of centrifugal force to enhance the bearing capacity to prevent intrusion of foreign objects.
Rolling body raceway between the ball rolling or roller.
Cage wrapped in whole or in part, a number of rolling elements, and associated with the movement of the bearing parts, to isolate rolling elements, and usually also to guide the rolling elements and to keep it within the bearing.
Isolated pieces located adjacent to and between the rolling movements of the bearing parts together, to isolate rolling elements.

Roller has its axis of symmetry and the vertical axis in the plane of the line either platform showed a circular cross-section rolling.
Needle length and diameter of the small-diameter ratio of larger cylindrical roller, the general length of the diameter of between 3 to 10 times, but the diameter of usually is not more than 5mm.Needle head can have several shapes.
 



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