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A bearing exists for every linear motion application. The trick is to pick the right bearing. For one brewery, the previous choice of linear rollers and ball bushings in a cantilevered arm palletizing system led to too much downtime. The right choice, of cam rollers and pillow block housings, helped keep beer flowing.
Once beer is brewed and poured into cans, an automated cantilevered arm palletizing system stacks the full cans onto pallets and positions pallets of empty cans to the filling station. The forward movement of the cantilevered arm is propelled by a cam roller and linear bearing system that allows the arm to cycle through the pallet stack, feed the cans through the filling station, and remove any plastic interleave material from the stock. This linear motion application required a tolerance for high shock load and vibration under constant reciprocating stroke in order for the palletizer to operate efficiently.
The original linear motion components-- linear rollers and ball bushings
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 5214ZZ KOYO | 70 | 125 | 39.7 |
| 29348A KOYO | 240 | 380 | 85 |