... a standard constructure,the cage made by PTFE, generally we also could make the cage with GFRPA66-25, PEEK,PI, Phonemic Textiles ... Tube ,etc.Features: 1, Material: ZrO2, Si3N4, SiC and Al2O3, etc.1).High speed ... bearings:12000rpm--75000rpm2).High temperature-resistant bearing:100°C--800°C.It can ...