SR144KZW01 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. Bearing has a groove on the outer ring.

• Item: SR144TLKZW01N Dental handpiece Ball Bearing
• Type: Angular Contact with groove on outer 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
• Inner ring: 2.38mm
• Outer ring: 2.78mm
• Dimension: 1/8" x 1/4"
• Inner ring: 3/32" inch
• Outer ring: 7/64" inch
• Quantity: One Bearing