You can purchase KD042AR0 4
1606 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
Product Info Acting Type Double Acting Airtac sc Standard Air Cylinder Tie-Rod Product Series Airtac SC Standard Air Cylinder Tie-Rod Bore Size 40mm Brand Airtac Component Type Standard Air Cylinder Magnet Without Magnet Stroke Length 450mm Type of Thread NPT
D 230 mm Width 170 mm Scope of delivery Without locking washer and groove nut Design Standard version Cone 01:30 Shaft type For metric shafts Specialty With grooves and holes for simplified assembly and disassembly Net weight 10
SDA100X85SG
Airtac Compact Air Cylinder, Double Acting Self-Aligning Ball Bearings SS-12 (Stainless Steel) You can purchase KD042AR0 4SDA100X85SG Airtac Compact Air Cylinder, Double Acting Compact pneumatic cylinder, double acting, 100mm Bore, 85mm Stroke, with Magnet, Female thread, G thread type Acting Type Double Acting Airtac sda series Compact Air Cylinder Airtac Product Series Airtac SDA Compact Air Cylinder Bore Size 100mm Brand Airtac Component Type Compact Air Cylinder Magnet With Magnet Rod Type Female Thread Stroke Length 85mm Thread Type G