20mm Linear Shaft 55 2 Slide Units 2 Shaft Supports Linear Motion set screw lock outer diameter is5/16" and the

outer diameter is5/16" and the width is 1/8"

NJ313 width is 33mm

SMR52ZZ Ball Bearing

Count on the 22216EXW33 Nachi to deliver smooth

✅ Load rating Cow: 5

20mm Linear Shaft 55 2 Slide Units 2 Shaft Supports Linear Motion set screw lock outer diameter is5/16" and theLinear Motion System Chrome Plated 4. 58 feet (55 inch long) 20 mm Diameter Shaft With Two slide unit with one pre installed Bearing Two Aluminium Shaft Support 4. 58 Feet (55" long) 20mm Diameter Chrome Plated Shaft With two Aluminium slide unit (has one LB20UU bearing pre installed) and Two Aluminium Shaft Support, this system would be used for building a low cost cnc router or an XYZ table.