This bearing block can be used as a motor mount for 16mm gearmotors (such as our Spark motors) or as a simple bearing block for a 3mm shaft. The bearing works with the Spark Motors by aligning the mounting holes to the Spark mounting holes and offers additional shaft support.

 Specifications:

- Height: 19.05mm (0.75in)

- Width: 25.4mm (1.0in) 

- Thickness: 4.76mm (0.188in)

- Weight: 5grams (0.18oz)

- Includes pressed-in 3mm shielded ball bearing

- Twelve 4-40 threaded holes for mounting in many orientations (See Drawing for hole locations)

- If you have a 12x10 gearbox, you can mill a slot in these blocks to make mounting them easy!