5 x 10 x 4 Stainless Steel Dry AEEC-5 Ball Bearing, this is a popular size that could be used in many fishing reels, Bearing is made of Stainless Steel, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings.

• Item: 5 x 10 x 4 Ball Bearing
• Type: Deep Groove Ball Bearing
• Size: 5mm x 10mm x 4mm
• Inner Diameter: 5mm
• Outer Diameter: 10mm
• Width: 4mm
• Lubrication: Dry
• Quality: ABEC-5
• Balls: Ceramic (Si3N4)
• Material: Stainless Steel
• Closures: 2 Metal Shields
• Quantity: One Bearing