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CW Shaw, a designer and fabricator of educational museum exhibits, has specified Simplicity pillow block housings from PCB Linear to guide the support rails on a bed-of-nails lift-table application.
To demonstrate the full effect of the exhibit, the lift table needed to be raised/lowered by 3in, handle loads up to 1,000lbs (for safety) and move at a moderate speed of 5ft/min.
CW Shaw also sought a linear motion system that would not fail under contamination from dust and carpet fibres.
Simplicity products provide maintenance-free linear motion for harsh environments, including those that involve temperature extremes, contamination and shock vibration.
The bearings travel using a proprietary Frelon liner, which transfers the load and glides over dust and other particulate without damaging the shaft.
Since they are composed of no rolling elements, Simplicity pillow block housings will not fail and ensure reliable and safe linear guidance of the support rails.
Two Simplicity pillow block assemblies were installed at each end of the lift table to support load and guide the lift rails.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| W689-2RD KOYO | 9 | 17 | 4 |
| 638-2RD KOYO | 8 | 28 | 9 |