6207 Hybrid Ceramic Bearings (35X72X17) can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
The Bearings part number is B7010-E-2RSD-T-P4S-UL and This bearing has the following Dimensions: B7010 E 2RSD T P4S UL 50x80x16 mm
If you are bothered about the K15020AR0 150mm x 190mm x 20mm Thin Section Bearings prices
Acting Type Double Acting Airtac sda series Compact Air Cylinder Airtac Product Series Airtac SDA Compact Air Cylinder Bore Size 32mm Brand Airtac Component Type Compact Air Cylinder Magnet With Magnet Rod Type Male Thread Stroke Length 25mm Thread Type PT
2SL03008AT Airtac 2SL030 Airtac 6207 Hybrid Ceramic Bearings (35X72X17)2SL03008AT Airtac 2SL030 Fluid control valve, stainless steel, 2 2 way direct acting, 030 series, normally closed, Large Volume pressure, 1 4" NPT port, AC220V, terminal entry Product Info Acting Type Direct Acting Normally Closed Airtac 2s Stainless Steel Fluid Control Valves 2 2 way Product Series Airtac 2S Stainless Steel Fluid Control Valves Brand Airtac Coil Voltage1 AC 220V Component Type Solenoid Fluid Control Valve Electrical Entry Terminal