It's dimension is tight and it has
W1406FA-1P-C3Z5 NSK Ball Screw
Acting Type Double Acting Airtac md Multi-Mount Compact Air Cylinder Product Series Airtac MD Multi-Mount Compact Air Cylinder Bore Size 32mm Brand Airtac Component Type Compact Air Cylinder Magnet With Magnet Stroke Length 30mm Type of Thread NPT
CKD Air Cylinder SCS2-N-CB-250B-400-JY-G
6312 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
TCM50x50S
Airtac Guided Air Cylinder, Dual Rod Needle Roller / Angular Contact Ball Bearing NKIB It's dimension is tight andTCM50x50S Airtac Guided Air Cylinder, Dual Rod Guided pneumatic cylinder, dual rod, double acting, bronze bearing, 50mm bore, 50mm stroke, with magnet, thread type PT Acting Type Double Acting Airtac tcm Dual Rod Guided Air Cylinder Heavy Duty JIS Standard with Bronze Bearing Airtac Product Series Airtac TC Guided Air Cylinder Dual Rod Heavy Duty JIS Bore Size 50mm Brand Airtac Component Type Guided Air Cylinder Magnet With Magnet Stroke Length 50mm