Metal Ball Caster

Metal Ball Caster

This metal ball-bearing drunk caster wheel enables smooth omnidirectional movement for your robot or mobile platform. With its durable metal housing and a 20 mm metal ball, it supports 360° rotation under load. Mounting is simplified thanks to side ear holes for screws. Suitable for line-following, obstacle‑avoiding, and light‑following robot applications.

Metal Ball Caster Technical Specifications:

• Ball diameter: 20 mm
• Overall length: ~22 mm
• Material: Metal housing with zinc plated surface for rust resistance
• Mounting holes: M3 screw compatible side ears
• Rotation: 360° swivel action under load
• Color: Silver (housing), ball may vary

Package Contents:

• 1 × metal bearing wheel assembly (ball housing + retainer cap)
• 1 × 20 mm metal ball
• 2 × M3 × 10 mm screw
• 2 × M3 nut

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