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No more ugly metal mounting plates!The only arcade

trackball designed for mounting in a wooden panel

with no plate or mounting kit.

We started from the ground up rather than take an existing unsuitable unit and try to modify using add-on parts. This way we were able to address all of the problems with current designs, namely the difficulty of fitting to a wood panel, plus the poor "out of the box" spin of many trackballs.
In addition we were able to use the best quality translucent balls available. The red version is so attractive even when not lit that we decided not to bother with a solid red option. The pearl ball can be used to produce stunning multi-color lighing effects.
Mounting hardware is included, with special high-strength expanding screw sleeves which enable easy fitting with no screws visible from the top.

• Can be mounted with or without optional trim flange

• Panel thickness up to 3/4 inch (19mm)

• Uses specially sourced grease-free bearings. Maximum spin right from new. No bedding-in required.

• 6 Bearing races, 3 stainless-steel shafts for professional durability.

• Available in Cue-ball white, stunning Fireball Red translucent or amazing Pearlescent for multi-color illumination.

• Optional Full-Speed USB interface, or connect directly to our Mini-PAC or Opti-PAC interfaces.

• 3In Diameter ball.

• RGB LED lighing PCB available.

• USB Interface supports left/right mouse buttons.

 

 

NOTE LED lighting shown below is optional.	​
	​U-Trak Pearl​Pearl Ball. Shown here with blue LED illuminationOptional Trim Flange​
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	​U-Trak FireBall​Red Ball shown here with Red LED Illumination.Red self-colored ball gives a rich color when illuminated with a red LED but still looks great when not lit.
	Mounting Diagram. Shows optional trim bezel.
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	Top view. All dimensions in mm NOTE Equivalent mounting hole spacing is 3.2 inches.
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	Optional USB2 interface

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Mounting Methods​​
4 Screws and expanding brass inserts are supplied. The inserts are designed to fit into blind holes and nothing shows from the top of the panel.
Important note: Check carefully that the supplied screws will not pierce through the top of the panel by checking the length before fitting.​
Mounting without trim bezel:​​
Using a hole saw or fly-cutter, drill a hole 3 1/4 inch diameter (82mm).
Note the vertical part of the housing is slightly conical to enable it to be molded in one piece, so to enable a perfect fit you will need to enlarge the hole from the underside of the panel slightly, using a file.
Fit the trackball with the arrow on the top of the housing pointing to the rear of the panel.
Drill 4 "blind" pilot holes through the mounting holes. Then remove trackball and enlarge holes to 1/4 in (6mm). TIP: To drill blind holes use tape wrapped around drill as a depth guide.
Tap the expanding inserts into place. Install trackball and screw into place.​
Mounting with trim bezel:​​
The optimum panel thickness for this method is 5/8 in (17mm). A 3/4 inch panel can be used but the flange will sit 1/8 inch above the ball surround.
Using a fly-cutter or hole saw cut a hole approx 3 3/8 inch (86mm) diameter. You may find a 3 1/2 inch or 90mm hole saw is easier to find and this will work fine.
Fit the trackball with the arrow on the top of the housing pointing to the rear of the panel.
Drill 4 "blind" pilot holes through the mounting holes. Then remove trackball and enlarge holes to 1/4 in (6mm).
Tap the expanding inserts into place. Install trackball and screw into place.
Push the bezel over the housing. Glue can be used if required.
Connections (Non-USB)​

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Conn A Red	5 Volts
Conn A Black	GROUND
Conn A Purple	X1
Conn A Blue	X2
Conn B Red	5 Volts
Conn B Black	GROUND
Conn B Yellow	Y1
Conn B Green	Y2

​Connections (USB)
The USB interface supports left and right mouse buttons.
The black wire shown arrowed in the above picture is not used by the trackball. This is the left button connection.
The unused contact next to this is the right button connection..
The COM terminals of the mouse button switches should be connected to a convenient ground point (Eg an I-PAC ground, or PC casing).