We offer a replacement thrust bearing set to fit the Delta 14" bandsaw. The bearings are sold in a set of 2 bearings,one for upper, one for lower. Each approximately 1-3/16" OD x 3/8" thick x .390 ID. A high quality sealed bearing. With the saw unplugged, heck the bearings on your saw. If the do not spin, if they are sluggish or spin " gritty" it is time to replace.