SFR144TLWZN Flanged Ceramic Hybrid Dental handpiece ABEC-7 Ball Bearing. Bearing is made of Stainless Steel and has Solid Si3N4 Ceramic balls. Cage is made of Torlon for lowest friction, long life and highest speed. Bearing is closed from one side by one metal Shield

• Item: SFR144TLWZN Dental handpiece Ball Bearing
• Type: Flanged Deep groove ball bearing
• Material: Stainless Steel
• Quality: ABEC-7
• Closures: One Shield
• Balls: Si3N4 Ceramic
• Balls retainer: Torlon
• Speed: 400,000 RPM
• Size: 3.175 x 6.35 x 2.38 mm/Metric
• Dimension: 1/8" x 1/4" x 3/32"
• Quantity: One Bearing
• Japanese Made Si3N4 Ceramic Balls