Answer Hello Gerald, These usually have an axle that fits through the frame of the unit base but the axles will vary by model number so we will need to ask you to post a new question including the model number from your units' I.D. tag so we can recommend parts that can be guaranteed to work properly on your unit. Thank you for your patience and understanding in this matter. Read More... Answered by AppliancePartsPros.com | Saturday, February 18, 2017