This Limited Edition black ball bearing with bronze cage is especially popular for use in hand spinner / fidget toys. The bronze cage gives this bearing a gold color in appearance. Bronze is a copper alloy, among the least vulnerable to friction. Less friction means less heat and higher spin speeds. Bearing is oil preserved.

• Item: 608 Ball Bearing
• Type: Deep Groove Ball Bearing
• Cage: Bronze (Brass alloy) Lower Friction = Higher Spin Speed (Gold-colored)
• Closures: Open
• Lubrication: Oil Preserved
• Quantity: 1 Bearing
• Color: Black
• Bearing Size: 8x22x7
• Commemorative "Limited Edition" Box Included √∞≈∏‚Ñ¢≈í