ABEC-7 Ceramic Bearing that fits for most KAVO Dental handpiece, Stainless Steel bearing with solid SI3N4 Ceramic Balls, Bearing is made of Stainless Steel and has Solid Ceramic balls (SI3N4).

• Item: KAVO Dental handpiece Ball Bearing
• Type: Deep groove ball bearings
• Material: Stainless Steel
• Quality: ABEC-7
• Closures: One Metal Shield
• Balls: Si3N4 Solid Ceramic
• Balls retainer: Torlon
• Speed: 400,000 RPM
• Quantity: One Bearing
• Fits: Most Most KAVO Models like 647/649/659/640/650/632/625/630.