The Rotating Ring is an OEM part for GE microwaves. This component sits beneath the microwave's glass turntable and facilitates its smooth rotation, ensuring even heating and cooking of food by distributing microwave energy uniformly. Causes of a bad rotating ring can include regular wear and tear from continuous use, damage from spills or heavy items placed on the turntable, and warping from exposure to high temperatures. Symptoms of a bad rotating ring include: The turntable not rotating or moving unevenly Unusual noises during microwave operation Uneven cooking or heating of food Visible damage, cracks, or warping on the ring This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.WB02X32600 (AP6871921) replaces WB06X10651, 4929164, PS12709805.