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This is a video based step by step tutorial on building a CNC Router
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CNC Machine Kit v1.3
blackToe 2x4 v2.2
CNC v1.2 Assembly
Purchase Conditions
Ball Bearings for Lead Screws and Linear Motion
 
Bearings are used to stabilize lead screws and provide fluid linear motion.  All dimensions shown relate to the inner diameter of the ball bearing.  Typically two bearings are needed for each lead screws (axis).  If a three axis machine is being built, six bearings will be needed.  The ball bearing size will depend on the lead screw diameter.  The lead screw diameter must match the inner diameter of the ball bearing.  For linear motion, 5/16" ball bearings are used.  Please read the conditions of purchase prior to purchasing any products offered by BuildYourCNC.com.

 
   
Bearings - For Linear Slides

These package counts are based on the common machine requirements.  Specification: 5/16" inner diameter, approimately 1/4" thick, and the outside diameter is approximately 7/8". 

$7.20 - 8 pack

One Axis Set

 

$20.40 - 24 pack

Three Axes Set

 

$24.00 - 30 pack

(Three Axes and

two for each

leadscrew)

 

 
   
V-Groove Bearings

These are specialized bearings that are used in many linear motion systems.  The v-groove bearings generally ride on a rail or track.  Curious as to the application?  Look at the blackToe system.

$15.00 each

 

 
 
 
Bearings - Position 1/4" Lead Screws

Use these bearings to stabilize you 1/4" lead screw next to the coupling. Two per axis is usually needed to secure the entire lead screw.

$1.50 Each

 

6-pack - $8.50

 

 
 
Bearings - Position 1/2" Lead Screws

Use these bearings to stabilize your 1/2" lead screw next to the coupling. Two per axis is usually needed to secure the entire lead screw.

$2.50 Each

 

6-pack - $14.50

 

 
 
Bearings - Position 3/8" Lead Screws

Use these bearings to stabilize your 3/8" lead screw next to the coupling. Two of these bearings are typically used for each lead screw, one bearing at each end of each lead screw.

$2.60 Each

 

6-pack - $15.00

 


 
Bearings - Position 5/8" Lead Screws

Use these bearings to stabilize your 5/8" lead screw next to the coupling. Two of these bearings are typically used for each lead screw, one bearing at each end of each lead screw.

$3.50 Each

 

6-pack - $20.50

 


 
 Products


 

Machine Kits and Plans

 

Motion Electronics:

Motors, Drivers, Power and more

 

Bearings for Lead Screws and Linear Motion.

 

Couplings to connect motor shafts to lead screws

 

Router Accessories 

 

End Mills

 

Mechanical Parts