This bearing part number is UC203 and The bearings has the following Dimensions:UC203 Hybrid Ceramic Insert Bearings
SR25TB1SS Block Only THK SR25 Series Linear Guide Systems
630" Ring Material 52100 Chrome Steel Ball Material 52100 Chrome Steel Cage Material Brass Dynamic Radial Load 3981 lbs Dynamic Thrust 6570 lbs Dynamic Moment 17173 lbs Static Radial Load 7870 lbs Static Thrust 19670 lbs Static Moment 45230 lbs Max Speed (X1000 rpm) 0 Lubrication Lubricated Shaft Mount Type Press Fit Temperature Range -30°C to 110 °C ABEC Rating ABEC-1 Radial Clearance 0
7200CD/P4ADGA Super Precision Angular Contact Spindle Bearing 10x30x9mm (Set of 2) 7200CD/P4ADGA
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