



10-Pack Bearings R188ZZ 1/4x1/2x3/16 inch Miniature Bearings
UPC: 00193019036228
Type: Deep Groove Ball Bearings
Closures: 2 Metal Shields
Lubrication: Self Lubricated (Grease)
Dimensions: 1/4" x 1/2" x 3/16" English Size
Pack of 10 R188ZZ Shielded Ball Bearings
✔️ 1/4" ID - 1/2" OD - 3/16" Wide
This set includes 10 R188ZZ deep groove ball bearings, perfect for projects requiring smooth motion in compact spaces. Each bearing is chrome steel with double metal shields to block dust and dirt, pre-lubricated for ready-to-go performance in applications like yo-yos, instruments, and small machinery.
✅ Type: Deep groove ball bearings
✅ Inside diameter: 1/4 inch
✅ Outside diameter: 1/2 inch
✅ Width: 3/16 inch
✅ Material: Chrome steel
✅ Closures: Double metal shields (ZZ)
✅ Lubrication: Pre-lubricated with grease
✅ Dynamic load rating: 186 lbs
✅ Static load rating: 84 lbs
✅ Quantity: 10 bearings
✅ Equivalent references: R188-2Z, R188ZZ
✅ Fits popular yo-yos: Hitman, NM2, Big Ben, Speeder, Dark Magic, and more
💡 What’s the benefit of double-shielded bearings in small builds?
They keep out contaminants like dust and moisture for longer life.
Shields help retain lubrication inside for consistent rotation.
A great option for spinning toys, precision tools, and motorized gadgets.
Stay stocked and keep your gear spinning with this handy 10-pack - you’ll be glad you did!