A compact ball caster kit from Pololu featuring a 3/8" diameter metal ball in a black ABS housing. Ideal as a third contact point for small wheeled robots and chassis.

The total height is 0.4" with no spacers. Two included spacers (1/16" and 1/8" thick) let you adjust the height to match your chassis. The caster mounts via two #2 screw sets with a hole spacing of 0.53".

Specifications

• Ball Diameter – 3/8" (metal)
• Housing – Black ABS plastic
• Height – 0.4" (without spacers)
• Mounting Hole Spacing – 0.53"

Package Contents

• 1× Ball caster housing with 3/8" metal ball
• 1× 1/16" spacer
• 1× 1/8" spacer
• 2× #2 screw sets