Dryer drum support roller kit. Includes two washers. When the drum rollers are worn out, they can cause the dryer to make a loud rumbling noise. Both rollers should be replaced at the same time. The roller does not need lubrication, the bearing is self-lubricating.
Rear drum support roller kit. This kit contains two drum support rollers. If the drum rollers are worn out, the dryer may not turn properly or may be excessively noisy. Be aware that the drum bearings are self-lubricating; it is not necessary to lubricate them yourself.