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