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625ZZ / 625Z Miniature Ball Bearing (5mm x 16mm x 5mm)

Model: 625ZZ / 625-2Z
  • Delivers high torque density in a compact diameter design
  • Precision gear structure ensures smooth & ultra-low noise operation
  • Wide output speed range to meet versatile industrial needs
  • Fully customizable gear ratios, shaft dimensions, and wire leads
  • Heavy-duty industrial grade quality with long operational lifespan

Product Highlights

  • Standard metric dimensions (5mm ID x 16mm OD x 5mm Width) for exact precision fitting
  • Dual stamped metal dust shields (ZZ) protecting internal raceways from dust and foreign particles
  • High-carbon chromium bearing steel (GCr15) providing superior surface hardness and wear resistance
  • Precision ground raceways ensuring sub-micron concentricity, low vibration, and quiet rotation
  • Ultra-low friction torque output optimizing energy efficiency for micro stepper drives
  • Pre-lubricated with high-grade noise-dampening synthetic grease for maintenance-free operation
  • ABEC-3 / ABEC-5 precision rating guaranteeing reliable rotational accuracy under load
  • Full RoHS and REACH environmental compliance across all manufacturing processes

Applications

  • > Micro Motors & Cooling Fans
  • > Precision Testing Instruments
  • > Medical Diagnostic & Imaging Devices
  • > Automotive Steering & Chassis Systems
  • > Fitness & High-End Sports Gear
  • > Textile & Garment Machinery
  • > High-Precision Spindles & CNC Units
  • > Material Handling & Conveyor Rollers
  • > Optical Encoders & Gimbal Systems

Technical Specifications

Parameters Specifications
Inner Diameter 5mm
Outer Diameter 16mm
Width 5mm
Precision Rating P0
Clearance C0
Sealing Type ZZ
Number of Row Single Row
Material Chrome Steel GCR15
Grease RPM Limit 2000 RPM
Lubrication Grease
Size 5*16*5mm
Certificate ISO9001

Why Choose Us

Factory Manufacturing Capabilities

Modern precision workshop, advanced CNC automated machining centers, and 100% full-inspection assembly lines.

CNC Machining Workshop

CNC Machining Workshop

High precision ±0.005mm tolerance
Automated Assembly Lines

Automated Assembly Lines

Capacity up to 50,000 units/month
Rigorous QC & Testing Lab

Rigorous QC & Testing Lab

Noise, torque & life cycle testing

International Certifications

Verified compliance with global standards, supporting smooth customs clearance and regulatory approvals across North America and Europe.

CE(EMC 24V)

CE(EMC 24V)

European Conformity Verified
CE RoHS

CE RoHS

Eco-friendly & hazardous-free
CE

CE

Standardized Quality Management
Quick Turnaround Engineering

Need Customized Parameters?

We offer OEM/ODM services with quick turnaround.

Email: Stephen WhatsApp: Stephen