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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
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Standard metric dimensions (5mm ID x 16mm OD x 5mm Width) for exact precision fitting
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Dual stamped metal dust shields (ZZ) protecting internal raceways from dust and foreign particles
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High-carbon chromium bearing steel (GCr15) providing superior surface hardness and wear resistance
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Precision ground raceways ensuring sub-micron concentricity, low vibration, and quiet rotation
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Ultra-low friction torque output optimizing energy efficiency for micro stepper drives
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Pre-lubricated with high-grade noise-dampening synthetic grease for maintenance-free operation
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ABEC-3 / ABEC-5 precision rating guaranteeing reliable rotational accuracy under load
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Full RoHS and REACH environmental compliance across all manufacturing processes
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
High precision ±0.005mm tolerance
Automated Assembly Lines
Capacity up to 50,000 units/month
Rigorous QC & Testing Lab
Noise, torque & life cycle testingInternational Certifications
Verified compliance with global standards, supporting smooth customs clearance and regulatory approvals across North America and Europe.
CE(EMC 24V)
European Conformity Verified
CE RoHS
Eco-friendly & hazardous-free