Product Specifications
| Parameter |
Details |
| Model NO. |
639/6, 639/6-Z, 639/6-2Z |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Specification |
6*15*5mm |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
CNC Machine Tools, Textile Machinery, Printing Equipment |
| Manufacturing |
Electric Motors, Gearboxes, Conveyors |
| Home Appliances |
Washing Machines, Air Conditioners, Power Tools |
| New Energy Equipment |
Solar Tracking Systems, Small Wind Turbines |
Minimize Downtime with High Precision Deep Groove Ball Bearing 639/6-Z 639/6-2Z
Industrial machinery operators know the cost of unexpected bearing failure—missed production deadlines, emergency repair costs, and unplanned downtime that erodes profitability. Sourcing reliable bearings with precise dimensions and consistent quality remains a persistent challenge, especially when dealing with non-standard sizes like the 6x15x5mm specification.
Engineered for Reliable Performance in Critical Applications
Our Deep Groove Ball Bearing 639/6-Z and 639/6-2Z address these pain points with high-precision manufacturing (P0 to P4 grade) and strict quality control. The 6x15x5mm dimensions make this bearing ideal for compact industrial machinery, where space constraints demand accurate fitting without compromising load capacity. As a professional bearing manufacturer with decades of export experience, we ensure each unit meets ISO industrial standards, supporting smooth operation in electric motors, gearboxes, and textile machinery.
Optimized for Demanding Industrial Environments
This Deep Groove Ball Bearing excels in applications requiring radial load support and moderate speeds. The single-row design and unseparated structure provide stability in continuous operation, while the Z and 2Z seal options offer protection against dust and contaminants—critical for extending service life in manufacturing plants and agricultural equipment. Whether used in CNC machine spindles or conveyor systems, the bearing’s bearing steel construction ensures durability under varying temperature and load conditions.
Key Technical Features That Impact Performance
The 639/6-Z and 639/6-2Z models are engineered with precision at their core. The 6mm bore diameter (d), 15mm outside diameter (D), and 5mm width (B) ensure compatibility with standard shaft and housing configurations. The radial load design makes it suitable for applications where axial loads are minimal, while the choice of single (Z) or double (2Z) shields allows customization based on environmental exposure. Our production process, utilizing advanced precision processing equipment, guarantees consistent dimensional accuracy, reducing vibration and noise in high-speed operations.
Why Compromising on Bearing Quality Costs More
Choosing low-quality bearings to save on upfront costs often leads to hidden expenses: premature failures requiring frequent replacements, increased energy consumption due to friction, and production losses from unplanned downtime. Our High Precision 639/6-Z Bearing, manufactured with premium bearing steel and subjected to comprehensive performance testing (noise, vibration, service life), delivers long-term reliability. Meeting ISO 9001:2015 quality standards, each unit undergoes strict incoming material inspection and full-process supervision, ensuring you pay for performance, not problems.
Our Commitment to Your Operational Success
With over 18 years in the industry, Jinan Saifan Bearing Co., Ltd combines manufacturing expertise with global supply capabilities. We hold ISO 9001:2015 and ISO 14001 certifications, and our in-house laboratory conducts rigorous testing to validate every bearing’s performance. Our technical team offers free guidance on bearing selection and installation, helping you avoid costly选型 mistakes. We support flexible orders with 1 piece MOQ for standard bearings, ensuring you get the exact quantity needed—whether for emergency repairs or bulk production.
Packaging & Shipping
- Protective packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including express, air, and sea freight
- Free samples available for distributors and wholesalers (freight cost borne by customer)
Secure Your Bearing Supply Today
Don’t let bearing issues disrupt your production schedule. The sooner you secure reliable 639/6-Z and 639/6-2Z bearings, the sooner you can stabilize operations and reduce downtime risks. Contact us with your requirements, and our team will provide prompt support to ensure you get the right bearing for your application.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, we maintain strict quality control and supply chain transparency. All products are manufactured in our ISO-certified facility and can be traced through our production records.
Q: How do I confirm if the 639/6-Z bearing fits my equipment?
A: Provide your equipment model or shaft/housing dimensions, and our technical team will verify compatibility and offer free选型 guidance.
Q: What is the warranty policy for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund for qualified issues.
Q: What is the minimum order quantity for standard bearings?
A: We accept orders starting from 1 piece for standard bearings, supporting both small repairs and large-scale production needs.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders take 5-15 working days depending on quantity and customization requirements.
Ready to order or need a quote?
Send your bearing model, application details, and quantity to sales02@saifan-group.com — we'll respond within 24 hours.
