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Spherical roll body 2. Roller roller
a roll with a symmetrical axis and a circular cross section in either plane of the straight axis.
3. Ball (roller) overall ball (roller)complement
All balls (rollers) in a particular roll bearing.
4. Ball (roller) group ball (roller) set
Roll a ball (roller) inside the bearing.
5. Cylindrical roller
The busbar outside the roller is essentially a straight line; it is parallel to the roller axis.
6. Needle roller
Small diameter cylindrical rollers with a large ratio of length to diameter; usually between 3 and 10 times the diameter; but the diameter usually does not exceed 5 mm. The needle head can have several shapes.
7. Tapered roller tapered roller
The busbar outside the roller is essentially a straight line; it intersects the roller axis; usually a truncated cone.
8. (convex) ball convex roller convex roller
The outer surface of the roller is convexly curved in the plane including its axis.
9. Concave roller conveyor roller
The outer surface of the roller is concavely curved in a plane including its axis.
10. Symmetrical spherical roller convex symmetrical roller
The outer surface of the convex spherical roller is symmetrical at both ends of the plane passing through the middle of the roller and straight to its axis.
11. Asymmetric spherical roller
The outer surface of the convex spherical roller passes through the middle of the roller; the two ends of the plane perpendicular to the axis of the axis are symmetrically symmetric.
12. Convex roller
The outer surface of the cylindrical or conical roller is essentially in the plane including the axis of the roller; it is connected to the micro-convex curve; to avoid stress gathering at the end of the roller and the track touch.
13. Retouching roller
At the end of the outer surface of the roller; its diameter is slightly modified; to avoid stress gathering at the end of the roller and raceway touch.
14. Spiral wound roller
2. The steel wire is wound into a spiral roller.
15. Roller end face
It is straight to the end of the end of the roller axis.
16. Roller end face roller lavge end face
The end face of a tapered roller or an asymmetrical spherical roller.
17. Roller small end face roller small end face
The end face of a tapered roller or an asymmetrical spherical roller head.
18. Roller chamfering roller chamfer
The outer surface of the roller is connected to the end surface.
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Source: China Bearing Network Time: 2014-08-07