606 Full Ceramic Bearings (6X17X6)
6905 Hybrid Ceramic Bearings (25X42X9) can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
GE90-UK-2RS Radial spherical plain bearings
4HV41020SLT Airtac 4HV410
CRBH258AUUC1 Crossed Roller Bearings
TCL20x50ST Airtac TCL Guided Air Cylinder, Dual Rod Airtac PCV 606 Full Ceramic Bearings (6X17X6)TCL20x50ST Airtac TCL Guided Air Cylinder, Dual Rod Guided pneumatic cylinder, dual rod, double acting, linear bearing, 20mm bore, 50mm stroke, with magnet, thread type NPT Product Info Acting Type Double Acting Airtac tcl Dual Rod Guided Air Cylinder Heavy Duty JIS Standard with Linear Ball Bearing Product Series Airtac TC Guided Air Cylinder Dual Rod Heavy Duty JIS Bore Size 20mm Brand Airtac Component Type Guided Air Cylinder Magnet With Magnet