12 inch Stroke Linear Motion Router/Robot Module Guideway Ballscrew 10mm Lead Inner Diameter - 0.472 inch (0.472") Bearing Inner Diameter: 1 1/8"

Bearing Inner Diameter: 1 1/8" Inch (28

1-1/8" inch Square Bore

the 6305-2NSENR outer diameter is 62mm

698-2RS Double Sealed Ball Bearing

12 inch Stroke Linear Motion Router/Robot Module Guideway Ballscrew 10mm Lead Inner Diameter - 0.472 inch (0.472") Bearing Inner Diameter: 1 1/8"24 inch Stroke Linear Motion Guideway & Ballscrew Combined 24 inch Stroke Single Axis Linear Motion CNC Router Robot Module Dual Shaft Design 1620 Ball Screw Stroke: 24 inches Ball Screw Lead= 10mm Can work with the following Motors: 57 86 Stepper Motors 100W, 200W and 400W Servo Motors Linear Axis: 2*LM16UU Accuracy: C7 Maximum Speed: 1,000mm second