10-Pack Ball Bearings for Duncan & Proyo Yoyos

10-Pack YoYo Ball Bearings - Fits ProYo & Duncan
✨ Double Shielded - High-Speed Chrome Steel, Pre-Greased

This 10-pack of deep groove ball bearings is built for high-performance yoyo play, designed to fit ProYo and Duncan models. Made from high-strength chrome steel, each bearing spins up to 71,000 RPM and comes pre-lubed with grease for smooth, controlled tricks. Double metal shields keep dust out and performance in.

🟢 Fits most ProYo and Duncan YoYos
🟢 Double metal shields (ZZ) to block out dirt
🟢 Pre-lubricated for slick, maintenance-free spin
🟢 Made from high-strength chrome steel
🟢 Up to 71,000 RPM rated
🟢 Pack includes 10 bearings in a plastic tube

Dimensions Table (General Use):