Deep Groove Ball Bearing 628/9-Z 9x17x5mm NTN Japan High Precision for Machinery

Product Specifications

Application Industries

Prevent Costly Downtime with Genuine NTN 628/9-Z Deep Groove Ball Bearing

Machinery operators know the frustration of unexpected shutdowns caused by bearing failure. A single substandard bearing can halt production lines, delay deadlines, and create cascading maintenance costs. Sourcing reliable high-precision bearings—especially for critical applications like electric motor spindles or precision conveyors—often means navigating minimum order quantities, long lead times, and uncertain authenticity.

Genuine NTN 628/9-Z Bearings: In Stock and Engineered for Reliability

Our Deep Groove Ball Bearing 628/9-Z addresses these challenges directly. As an experienced bearing supplier with decades of export experience, we maintain authentic NTN inventory, ensuring you get the 9x17x5mm high precision bearing your equipment demands without unnecessary delays. This single-row radial bearing, constructed from premium bearing steel, delivers consistent performance in industrial machinery, automotive components, and home appliances—where precision and durability directly impact operational efficiency.

Optimal Performance in Demanding Rotational Applications

The 628/9-Z excels in applications requiring smooth, low-friction rotation under radial loads. Its unseparated design ensures structural integrity during high-speed operation, making it ideal for small electric motors, textile machine spindles, and precision conveyors. Whether operating in standard industrial environments or controlled settings like printing equipment, this bearing maintains stability across varying speeds, reducing vibration and extending equipment service life.

Key Technical Features Driving Performance

Every dimension and material choice in the NTN 628/9-Z is engineered for reliability. The 9mm bore diameter, 17mm outer diameter, and 5mm width form a compact footprint, fitting seamlessly into space-constrained assemblies. Constructed from high-grade bearing steel, it balances hardness and toughness to resist wear under continuous use. The Z-type single shield design provides effective protection against dust and contaminants while minimizing friction—critical for maintaining precision in applications like CNC tooling and small gearboxes where even minor particle ingress can cause premature failure.

Why Authenticity Matters: The Hidden Costs of Counterfeit Bearings

Choosing genuine NTN bearings eliminates the risks of counterfeit products. Fake bearings often use substandard steel, imprecise machining, and inadequate heat treatment, leading to early fatigue, increased noise, and potential catastrophic failure. The cost of replacing a failed counterfeit bearing extends beyond the part itself—encompassing downtime, labor, and potential damage to关联 components. Our bearings meet ISO industrial standards and come with complete traceability, ensuring you invest in long-term reliability rather than short-term savings.

Your Trusted Partner for Bearing Solutions

Packaging & Shipping

• Original NTN packaging with protective inner box and outer carton reinforcement
• Sample orders shipped within 3-5 working days; bulk orders within 5-15 working days
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time tracking number provided upon shipment
• 1 piece minimum order quantity, supporting emergency maintenance and small-batch requirements

Secure Your NTN 628/9-Z Bearing Today

Don’t let equipment downtime impact your productivity. Whether you need a single bearing for emergency repair or bulk quantities for production, we ensure prompt delivery of genuine NTN 628/9-Z bearings. Send us your requirements, and our team will confirm compatibility and provide a competitive quote within 24 hours.

Frequently Asked Questions