Dental Handpiece SR144K1TLZWN Ceramic Hybrid Dental handpiece ABEC-7 Angular Contact 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: SR144K1Z Dental handpiece Ball Bearing
• Type: Angular Contact with separate inner ring ball bearing
• Material: Stainless Steel
• Quality: ABEC-7
• Closures: One Shield
• Balls: Si3N4 Ceramic (Silicon Nitride)
• Balls retainer: Torlon
• Speed: 400,000 RPM
• Size: 3.175 x 6.35 x 2.78 mm/Metric
• Dimension: 1/8" x 1/4" x 7/64"
• Quantity: One Bearing