This bearing part number is UC203 and The bearings has the following Dimensions:UC203 Hybrid Ceramic Insert Bearings
7200CD/P4ADGA Super Precision Angular Contact Spindle Bearing 10x30x9mm (Set of 2) 7200CD/P4ADGA
Acting Type Double Acting Airtac md Multi-Mount Compact Air Cylinder Airtac Product Series Airtac MD Multi-Mount Compact Air Cylinder Bore Size 16mm Brand Airtac Component Type Compact Air Cylinder Magnet Without Magnet Stroke Length 10mm Thread Type M5
61821 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls
6310-C-C4 Deep Groove Ball Bearings Brand: FAG
W1603MA-3PY-C3Z2.5 NSK Ball Screw Plastic Cage) This bearing part number isW1603MA 3PY C3Z2. 5 NSK Ball Screw Bridge Deflector Ball Screw, 16 mm Dia Screw, 2. 5 mm, Right Hand Thread, 300 mm L, 14. 6 mm Dia Root, 1 Starts Metric Overall Height 471 MM Overall Length 44 MM Overall Width 44 MM