623ZZ miniature ball bearing (3x10x4mm) Double Shielded Miniature Ball Bearing for 3D Printer CNC And Robotics

623ZZ Miniature Ball Bearing 3×10×4mm ABEC-3 Double Shielded Deep GrooveBearing for 3D Printer CNC And Robotics

623ZZ Miniature Ball Bearing 3×10×4mm ABEC-3 Double Shielded Deep Groove Bearing for 3D Printer CNC And Robotics

• 623ZZ miniature ball bearing, designed for stable, low-friction performance in high-speed applications.
• This 3×10×4mm deep groove ball bearing supports reliable radial rotation and can handle light axial loads, making it ideal for tight-space mechanisms like extruder idlers, pulleys, small gearboxes, and precision hobby builds.
• The double shielded (ZZ/2Z) construction helps protect against dust and light contaminants while keeping factory grease inside for longer life and reduced maintenance.
• With ABEC-3 precision, the 623ZZ bearing offers smoother running, lower vibration, and better consistency compared to basic low-grade bearings—making it suitable for continuous use in 3D printing, automation, and robotics.

Specifications

• Model: 623ZZ
• Type: Deep groove radial ball bearing
• ID: 3mm
• OD: 10mm
• Width: 4mm
• Material: Stainless steel / chrome steel (varies by supplier)
• Shield type: ZZ (double metal shielded)
• Precision grade: ABEC-3
• Lubrication: Pre-greased
• Noise/Vibration: Low noise, low vibration
• Rotation: High-speed smooth rotation

Features

• High precision deep groove ball bearing
• Smooth and stable rotation
• Double shielded for dust protection
• Pre-lubricated for long service life
• Compact miniature size (3×10×4mm)
• Low noise and low vibration operation
• Durable construction for continuous use

Applications

• 3D printers: RepRap/Ender, extruders, idler pulleys
• CNC & linear motion systems: compact rollers and guides
• Robotics & automation: joints, sliders, small mechanisms
• RC / drones / hobby motors: wheels, pulleys, gearboxes
• Small motors & gearboxes: efficient low-friction rotation
• Medical & dental equipment: compact precision parts
• Conveyors & industrial machinery: small rotating assemblies
• Home appliances: fans, vacuum cleaners, washers
• Office equipment & instruments: precision motion parts

Package Includes

• 1 Piece of 623ZZ Miniature Ball Bearing (3×10×4mm)