High-Speed 400 000 rpm Low-Noise Sta...
Our premium dental handpiece bearings are engineered to meet the extreme demands of modern dentistry. Designed for high-speed operation, exceptional quietness, and extended service life.
Key Specifications:
Model: SR144
Dimensions: 3.175x6.35x2.38 mm
Balls: Silicon Nitride (Si3N4) Ceramic
Races: 440C Stainless Steel (hardened to 58-60 HRC)
Tolerance: ABEC-7 (ISO P2 equivalent)
Seals: Dual Rubber Shields (RS) or Metal Seals
RPM: 400,000
Ceramic balls are standard in our high-end series for their lightweight properties, which reduce centrifugal force, lower heat generation, and enable higher maximum speeds.
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