10-Pack R188ZZ Bearings 1/4" x 1/2" x 3/16" - 1/4" Bore Bearings

Set of 10 R188ZZ Miniature Bearings
✔️ 1/4" ID - 1/2" OD - 3/16" Wide

This is a 10-pack of R188ZZ miniature deep groove ball bearings, perfect for replacing multiple units in one go. Each bearing features double metal shields to block out dust and comes pre-greased for smooth, low-maintenance performance. Ideal for yo-yos, RC gear, and small precision parts.

✅ Type: Deep groove ball bearings
✅ Inside diameter: 1/4 inch (6.35mm)
✅ Outside diameter: 1/2 inch (12.7mm)
✅ Width: 3/16 inch (4.76mm)
✅ Shields: Double metal (ZZ)
✅ Material: Chrome steel
✅ Lubrication: Pre-lubricated with grease
✅ Sold as: Set of 10 bearings
✅ Alternate references: R188-zz, R188zz
✅ Compatible with: Hitman, X-con, Speeder, Big Ben, Dark Magic, NM/NM2, HG, Mini MotriX yo-yos

💡 What makes shielded bearings a solid pick for yo-yo and hobby use?

They keep grease in and dirt out, which means more spin time and less fuss.
The shields also reduce friction, helping with balance and performance.
That combo is ideal for compact, high-speed tools and toys.

Don’t get stuck mid-spin - stock up with this 10-pack and keep your gear running right!