... microcrystalline glass, cubic zirconia, natural agate bearing, etc, Jewel bearings have application in apparatus, meter and ball bearing, ... for infra-rays, substrates, thread-guides, coil-winking for machinery, nozzles, balls, etc. Supporting bearings ( Performance area):1 ... bearings and etc.2. We can produce customized jewel bearings according to specific requirements and drawings from clients ...