61802 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
B7021-C-T-P4S-DUL Super Precision Angular Contact Spindle Bearing 105x160x26mm (Set of 2) B7021CTP4SDUL
7015A5SN24TRSULP3 Super Precision Angular Contact Spindle Bearing 75x115x20mm 7015A5SN24TRSULP3
Operating Temperature: +250°C min
STWB20X125S Airtac Slide Table Air Cylinder
RMT25X300SG
Airtac Rodless Magnetic Air Cylinder, Guided Radial Spherical Plain Bearings GEEW..ES 61802 Hybrid Ceramic Bearings canRMT25X300SG Airtac Rodless Magnetic Air Cylinder, Guided Rodless pneumatic cylinder, magnetic, guided, 25mm Bore, 300mm Stroke, with magnet, 2 adjustable nuts, G thread type Acting Type Double Acting Airtac rmt Guided Rodless Magnetic Air Cylinder Airtac Product Series Airtac RMT Rodless Magnetic Air Cylinder Guided Bore Size 25mm Brand Airtac Component Type Rodless Pneumatic Cylinder Magnet With Magnet Stroke Length 300mm Thread Type G