A KDM-series turntable bearing and pinion provide each machine with an effective and reliable solution for the crop unloading elevator.
Tong wanted a solution to precisely and reliably control the slewing position of the crop unloading elevator, in effect a type of cleated conveyor that expedites the efficient transfer of harvested, clean crops to an awaiting trailer.
“We decided on a turntable bearing for this task because, looking at the loadings and level of control required, it seemed the most reliable option,” explains Tong Engineering’s product development manager, Neil Milson.
After a little research and advice, the company identified a KDM-series turntable bearing from Rodriguez as its preferred option.
Rodriguez’s medium-series KDM four-point-contact bearings can absorb axial and radial loads - and tilting moments. Featuring hardened raceways, KDM turntable bearings are available ungeared or with gear teeth as an integral part of either the inner or outer ring.
The KDM.I (internal gear) variant, supplied to Tong Engineering, features a diameter of 1,094mm with standard clearances of ≤0.3mm (radial) and ≤0.53mm (axial), although reduced clearance options are also available.
“For this project, Rodriguez gave me all the support I could ask for,” says Milson. “When I was looking at making the optimum selection, the advice I received was enormously helpful, pointing me in the right direction for this particular application.”
Originally, Tong Engineering had specified a larger bearing, but Rodriguez calculated that a smaller unit would still meet the needs of the task, thus helping the customer to reduce costs.
Each FieldLoad PRO requires one turntable bearing, and each bearing features a pinion (also supplied by Rodriguez – SS825 model). Rodriguez has already supplied four turntable bearing/pinion sets to Tong Engineering as it ramps up the production of its FieldLoad PRO, every one of which is built to order.
“The KDM turntable bearing has more than performed to its requirements,” concludes Milson. “It is a robust piece of equipment that looks right for the job it needs to do. The quality of the product is really good.”