CNC Manual Slide Stage Linear Stage Actuator 500mm Ballscrew 1605 Optical Axis Linear Rail Guide C7 - Ruler for CNC Router Controller X-Axis Stage Linear Motion Systems - 1/2 inch (0.5") 6314DDU Deep groove ball bearing

6314DDU Deep groove ball bearing single row Radial Bearing 70 mm ID x 150 mm OD x 35 mm Wide

outer diameter is 47mm and width is 20

1312K+H Ball Bearing

It features a durable bronze cage and a removable inner ring

LM501349/10 Single-row Tapered Roller Wheel bearing

CNC Manual Slide Stage Linear Stage Actuator 500mm Ballscrew 1605 Optical Axis Linear Rail Guide C7 - Ruler for CNC Router Controller X-Axis Stage Linear Motion Systems - 1/2 inch (0.5") 6314DDU Deep groove ball bearing500mm Manual Linear Slide Table with Handwheel SFU1605 Ball Screw C7 Precision 20" Travel Stroke This 500mm (20") manual linear actuator is built for high accuracy positioning and smooth motion in CNC and automation systems. It features an SFU1605 C7 grade ball screw for 0. 02mm repeatability, a laser engraved handwheel with a locking pointer, and dual optical axis guidance. With a rust resistant 6061 aluminum frame and CNC machined precision mounting