Full Ceramic 8x22 mm Ball Bearings, the most common size in skate business is 608, 8mm x 22mm x 7mm, the inner diameter is 8, outer diameter is 22 and the width is 7, this is a popular size that could be used in many applications, Bearings are made of Ceramic.

• Item: 608 Ball bearings
• Type: Full Ceramic 8x22 mm
• Quantity: One ball bearing 608
• Bearing Size: 8mm x 22mm x 7mm
• Inner/outer races: Si3N4 Ceramic (Silicon Nitride)
• Balls: Si3N4 Ceramic (Silicon Nitride)
• Cage: PTFE