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Ball bearing units are a time-tested solution for use in many industrial automation processes. Their construction, with a pre-assembled unit consisting of the bearing housing and the insert, grants a high degree of flexibility. Practically any combination of the two components is possible.
Ball bearing units are available as pillow blocks, flanged or take-up models with a broad spectrum of bearing housings from different manufacturers. Additionally countless combinations of housings and bearing inserts are possible. The comparability of the available products always means that the design engineer faces a difficult task in finding the optimal product for a particular automation solution, since there is no uniform standard. The greatest interchangeability is possible with respect to Asian dimensions. Special attention must be paid to specifications for hole spacing, mounting holes and mounting threads. For this reason, Findling Waelzlager GmbH of Karlsruhe/Germany offers a large selection of common European and Asian dimensions. Depending on the application, the required products can be selected from the four ABEG performance classes Premium, Supra, Eco, and EasyRoll, for implementation of an ideal solution not only in terms of technical criteria, but also economic viability. Findling continuously expands its product range to keep up with the standards of technology.
Small parts for a big effect
A new setting-solution is the self-expanding bullet point set screw. This innovative set screw automatically expands when it is screwed in. As a result of the pressure of the bullet point on the shaft, the threads expand and interlock with the threads of the inner bearing ring; the screw cannot loosen and come out due to vibrations, as is the case with screws with slight backlash. In a vibration test, the bullet point set screw performed much better, with a life of 3,000 hours, than a rounded, non-self-expanding ball point set screw (2,500 hours) and a W point set screw (1,100 hours). The special design of the small components predestines this bearing unit for applications in which the shaft is subjected to vibrations, impact loads or high speeds, also from unbalanced masses. Under such harsh operating conditions, the potential for damage to the shaft and set screw can be reduced significantly as compared with conventional setting-solutions, thus increasing bearing performance.
Locking ring for high-speed shafts
The most recent innovations include the NU series, with extra-strong and evenly distributed holding power on the shaft. This is made possible by two concentric rings for 360
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6210N KOYO | 50 | 90 | 20 |
| 6010N KOYO | 50 | 80 | 16 |