High Speed SR144TiZN 3.175×6.35...
SR144TiZN High Speed Dental Handpiece Bearing – Hybrid Ceramic, ABEC-7/P4 Precision. Stainless steel rings (440기음) with Silicon Nitride (Si3N4) 세라믹 볼. Torlon/Phenolic cage for heat resistance, speeds up to 450,000 RPM. Precision replacement for KaVo, NSK, W&H, Sirona, Midwest, Bien-Air and major dental handpiece brands. Delivers smoother operation, longer turbine life, and quieter performance.
Key Specifications:
모델: SR144TiZN
Type: Miniature deep groove ball bearing (hybrid ceramic)
내경 (ID / 디): 3.175 mm (1/8 인치)
외경 (의 / 디): 6.35 mm (1/4 인치)
Width (비): 2.38 mm (3/32 인치) or 2.78 mm (7/64 인치) [variant-dependent]
Ring Material: AISI 440C stainless steel
Ball Material: Silicon Nitride (Si3N4) ceramic
Precision Grade: ABEC-7 / ISO P4
Maximum Rotational Speed: 350,000 – 500,000 RPM
Weight: Approx. 0.2–0.4 grams
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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고속 400 000 rpm 저소음 스테이션...
Our premium dental handpiece bearings are engineered to meet the extreme demands of modern dentistry. Designed for 고속 operation, exceptional quietness, and extended service life.
Key Specifications:
모델: SR144
Dimensions: 3.175x6.35x2.38 mm
Balls: Silicon Nitride (Si3N4) Ceramic
Races: 440C Stainless Steel (굳어지다 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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