SR188ZZ Stainless Steel with Ceramic Balls ABEC-5 Ball Bearings, this is a popular size that could be used in many application that uses this size 1/4"x 1/2"x 3/16" inch, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.

• Item: SR188ZZ Ball Bearing
• Type: Deep Groove Ball Bearings
• Quality: ABEC-5
• Balls: Ceramic
• Closures: Metal Shields
• Material: Stainless Steel
• Lubrication: Self Lubricated (Grease)
• Size: 1/4" x 1/2" x 3/16" inch
• Inner Diameter: 1/4" inch
• Outer Diameter: 1/2" inch
• Width: 3/16" inch
• Dynamic load rating: 186 LBS
• Static load rating: 84 LBS
• Quantity: 10 Bearings
• Yoyo Bearing Fits: Hitman, NM, NM2, HG, X-con, Mini MotriX, Big Ben, Speeder, Dark Magic