R2-5Z Stainless Steel Ball Bearings with Ceramic Balls ABEC-7 quality, this is a popular size that could be used in many applications that uses this size 1/8" x 5/16" x 9/64" inch. Bearing is made of Stainless Steel, bearing has One metal shield, Ceramic Balls are the highest standard of balls that can make your bearings live at least 5 times more than any other bearings with ABEC-7 quality.

• Item: R2-5Z Ball Bearing
• Type: Deep Groove Ball Bearing
• Lubrication:Oil
• Material: Stainless Steel
• Quality: ABEC-7 (P4)
• Closures: One Metal Shield
• Balls: Si3N4 Ceramic Balls (Silicon Nitride)
• Size: 1/8" x 5/16" x 9/64" inch
• Inner Diameter: 1/8" inch
• Outer Diameter: 5/16" inch
• Width: 9/64" inch
• Quantity: One Bearing