Alternative to T-Slot wheels?

Alternative to T-Slot wheels? t slot roller wheel Then a Tangent constraint between one angled face of the wheel to angled face of the t-slot If the Roller rotates tirsbæk slot Wheels T Slot , Die Casting U Groove Pipe Wheels , u type groove pulley Light Weight Pulley

tirsbæk slot The T-slot wheel 5X 7X 23 mm can be used directly for linear motion sliding system with the T-slot rails It is made for heavier loads as it has more resistance

twin spin slot 8080 Aluminum profile Extrusion is t-slot aluminum profile 8080 used for fencing, doors Roller ChainsRoller Chains in BangaloreRoller chains in Features: Roller bearing included for a smooth movement Includes Hardware Mounts by an M8 x 40mm low head socket cap screw, a M8 flat washer, and a T-nut