Precision SR144ZZ Miniature Ball Bearing – Stainless Steel Durability for Demanding Applications
High-grade 440C stainless steel construction ensures corrosion resistance and long-term performance in harsh environments. Ultra-precise SR144ZZ design with dual metal shields (ZZ) for dust protection, maintaining smooth rotation at 10,000+ RPM. Ideal for dental handpieces, miniature motors, robotics, and high-speed industrial equipment requiring compact reliability. Mirror-polished raceways and Grade 25 chrome steel balls reduce friction, enhancing efficiency for sensitive instruments. Direct manufacturer pricing – wholesale quantities available with global shipping for bulk buyers.