Saifan Bearing
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery
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Deep Groove Ball Bearing 639/6-Z 639/6-2Z 6x15x5mm High Precision for Industrial Machinery

SKU: 333e615c4963

Ensure smooth, precise rotation in your industrial machinery with the Deep Groove Ball Bearing 639/6-Z and 639/6-2Z models—engineered to deliver consistent performance under demanding conditions. These 6x15x5mm high-precision bearings minimize vibration and extend equipment lifespan, solving common issues with wear and operational noise in critical applications.

  • Single-row radial design with unseparated construction ensures reliable load distribution, ideal for machine tools, conveyors, and precision gearboxes
  • Premium bearing steel material meets ISO standards for durability, backed by Saifan’s strict quality control and 12-month warranty
  • Flexible order options (1pc MOQ for standard bearings) and fast 3-5 day sample delivery make it easy to test compatibility before full deployment
Factory Price
¥1.50
MOQ: 1pc · Bulk discount available
ISO 9001
Certified
12-Month
Warranty
3-5 Days
Sample Delivery
Technical Documentation

Product Details

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.

Quality Assurance
100% Inspection

High-grade chrome steel, raw material QC, full-process monitoring, ISO/ABMA/DIN compliance.

Delivery
3-15 Days

Samples in 3-5 days, bulk orders 5-15 days. Free samples for distributors (freight collect).

Customization
Full OEM/ODM

P0-P4 precision grades, Z2-Z3-Z4 noise levels. Custom drawings welcome.

After-Sales
12-Month Warranty

Professional technical guidance and failure solutions from our R&D team.

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Our R&D team supports full OEM/ODM customization with technical drawings. Contact us for stable factory pricing and reliable supply.

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