24" Linear Motion CNC Router Module - Heavy Duty Ballscrew - 10mm Lead Ball Diameter - 15/16 inch (0.9375") the 6916ZZ inner diameter is

the 6916ZZ inner diameter is 80mm

With a 12mm bore and rubber seals on both sides

Equal: SAKAC 20 M

and track systems

24" Linear Motion CNC Router Module - Heavy Duty Ballscrew - 10mm Lead Ball Diameter - 15/16 inch (0.9375") the 6916ZZ inner diameter isHeavy Duty CNC Linear Motion Module 24 Inch Stroke with 10mm Ballscrew Lead This 24 inch CNC router module is built tough for medium speed, high accuracy motion. It features a 2010 ballscrew with a 10mm lead and SBR20 linear guideways, making it a great fit for CNC routers, engraving machines, and robotic automation projects that need balanced speed and torque. Travel Stroke: 24 inches (approx. 610mm) Ballscrew Type: 2010 with 10mm lead Guideway