6804ZZ Single Row Ultra Thin Wall Mini Deep Groove Ball Bearing Double ZZ Metal Dust Shield 20x32x7mm Precision Automation Equipment

The 6804ZZ belongs to 6800 series ultra-thin wall miniature deep groove ball bearing with double-sided ZZ non-contact metal dust shields, standard dimension 20×32×7mm. Its slim radial structure saves limited installation space for compact miniature equipment. Double stamped steel shields block fine dust and tiny particles, locking built-in long-life lubriing grease. It bears radial load and slight bidirectional axial load, runs stably at high speed with low noise, widely used in automation positioning shafts, optical testing instruments, miniature brushless motors, 3C rotating components and small cooling fans.

• Ultra-thin wall 68 series design, minimal radial thickness, perfect for narrow compact mechanical structures
• Non-contact ZZ metal shields generate tiny rotation torque, excellent dust resistance without limiting high rotation speed
• Superfinished raceway and micro steel balls deliver ultra-low vibration, quiet smooth continuous high-speed operation
• High-hardness quenched bearing steel ensures outstanding wear resistance for long service life
• Multiple optional versions: open 6804, splash-proof 6804-2RS, stainless steel anti-rust variant
• ABEC-1 / ABEC-3 precision grades customizable for optical and laboratory precision equipment

This double ZZ shield thin-wall miniature bearing is widely applied in:

• Automation equipment miniature linear guide rollers and tiny positioning rotating shafts
• Optical lens adjustment assemblies, laboratory micro precision testing instruments
• Model brushless motors, drone micro power transmission and toy rotary parts
• 3C electronic miniature rotating structures, mini cooling fans and small medical micro devices

• 25+ years experience in 6800 series thin-wall miniature ball bearing manufacturing
• Exported to 50+ countries worldwide
• Rich OEM bulk order experience for ZZ double shield micro thin-wall bearings
• Strict dimensional tolerance, rotation noise and high-speed durability inspection before shipment
• Fast professional technical reply within 24 hours
• Stable mass supply for long-term automation and precision instrument factory cooperation

• GCr15 bearing steel raw material incoming hardness inspection
• Ultra-precision grinding for inner & outer raceway and micro steel balls
• Standard quenching & tempering heat treatment for uniform surface hardness
• ZZ metal shield dust resistance test, clearance grouping and full dimensional recheck
• Anti-rust oil treatment and independent counting plastic packaging before delivery

Looking for double ZZ metal shield ultra-thin wall miniature 6804 deep groove ball bearing supplier?

• Fast factory quotation within 24h
• Professional micro automation thin wall bearing technical parameter support
• Custom open type / rubber seal & stainless steel solution suggestions
• Competitive bulk wholesale factory price