15 PCS R188zz Deep Groove Ball Bearings, 1/4 Inch X 1/2 Inch X 3/16 Inches

Recommended Use: Perfect for fidget spinners, skateboards, rollerskates, scooters, yo-yos, 3D printer parts, and mechanical DIY projects

Suitable For: DIY enthusiasts, fidget makers, skateboarders, hobbyists, and mechanics

Care Instructions: Wipe clean with a soft, dry cloth; avoid exposure to moisture to prevent rust; store in a cool, dry place; lubricate periodically for smooth rotation

Specifications:

Product Type: 15-Piece R188 Deep Groove Ball Bearings – Miniature Ball Bearings for Fidget Spinners, Skateboards, and DIY Projects

Quantity: 15 Bearings Per Pack

Color: Silver (Natural Steel Finish)

Material: High-Quality Carbon Steel (Durable, Rust-Resistant, and Long-Lasting)

Product Dimensions (Each Bearing):

Outer Diameter: Approx. 12.7mm / 0.50 inches

Inner Diameter: Approx. 6.35mm / 0.25 inches

Thickness: Approx. 4.8mm / 0.19 inches (Marked as 3/16 inch)

Package Type: Protective Bag Packaging

Package Dimensions: Approx. 15 x 10.5 x 1 cm / 5.91 x 4.13 x 0.39 inches

Package Includes:

15 x R188 Deep Groove Ball Bearings