Exact Metric Specifications: Precision engineered with a 6 mm inner diameter, a 19 mm outer diameter, and a 7 mm width, specifically designed for seamless integration into global metric-based mechanical assemblies.
Extreme High-Speed Stability: Capable of reaching up to 36,000 RPM with oil lubrication and 30,000 RPM with grease, ensuring flawless operational stability under rapid rotational stress.
Reliable Load Capacity: Delivers a robust 3,300 N basic dynamic load rating and 1,370 N static load rating, providing excellent durability for compact high-stress micro-applications.
Factory-Direct Supply: Manufactured by Ningbo Kexiang Bearing Technology Co., Ltd. with a robust annual capacity of 100 million sets, securing highly competitive B2B wholesale pricing for global procurement.
Detailed Overview The KET 626 series deep groove ball bearing is a premium ultra-precision component belonging to our specialized Metric Miniature Series. Established in 2008 in Ningbo, Zhejiang Province, our highly automated manufacturing facility operates under the internationally registered trademark "KET," supplying world-class bearings to global OEM markets. The 626 model provides the ultimate balance of a compact 6 mm shaft size and superior load-bearing capability. It delivers true-to-design dimensional exactness with every production batch for clients utilizing strict metric engineering standards.
Exact Technical Specifications
Brand: KET
Model Variants: 626 (Open Type) / 626ZZ (Shielded Type)
Inner Diameter (d): 6 mm
Outer Diameter (D): 19 mm
Width / Thickness (B/B1): 7 mm (Open) / 7 mm (Shielded)
Chamfer (r): 0.3 mm
Basic Dynamic Load Rating (Cr): 3,300 N
Basic Static Load Rating (Cor): 1,370 N
Limiting Speed (Grease Lubrication): Up to 30,000 RPM
Limiting Speed (Oil Lubrication): Up to 36,000 RPM
Primary Industrial Applications The KET Metric Miniature Series is highly versatile and globally trusted by precision engineers. Featuring an industry-standard 6 mm bore profile with enhanced thickness, the 626 bearing is specifically ideal for:
Remote control UAVs (Drones), advanced RC models, and aerospace micro-mechanisms.
Advanced medical equipment, scientific testing instruments, and precision appliances enduring high operational stress.
Strategic Manufacturing Partner Qualifications
Internationally Certified Quality Systems: We operate strictly under rigorous global quality management frameworks, proudly holding dual ISO9001 certifications and the stringent automotive industry standard IATF16949.
Recognized Engineering Innovation: Our continuous investment in engineering R&D is officially validated by our recognition as a High-Tech Enterprise and a Technology-Based SME in Zhejiang Province.
Global Material Safety Compliance: We exclusively utilize premium raw materials that meet strict international safety directives. Our products pass comprehensive third-party SGS laboratory testing for SVHC and RoHS compliance.
Uncompromised Quality Control: 100% precision-tested utilizing state-of-the-art roundness instruments and automatic noise testing equipment prior to global shipment.
Contact Us for Global Wholesale & Bulk Purchasing
Optimize your supply chain costs without compromising on extreme speed and load performance. Contact our international business development department today for B2B quotes, comprehensive technical datasheets, or to request free evaluation samples.
Customized precision solutions for industrial applications. OEM/ODM support.
Can you customize bearings for specific industry applications?
Yes, absolutely. In addition to our standard product lines, we can customize various non-standard bearings exactly according to customer requirements and technical drawings.
What is your minimum order quantity (MOQ)?
Our MOQ is typically 100 pieces for standard bearings. For custom bearings, MOQ may vary depending on specifications.
How long is the delivery time?
Standard bearings: 3-7 days. Custom bearings: 15-25 days. Express shipping available for urgent orders.
How do you guarantee the quality of your bearings?
Quality is our core focus. Our factory operates under strict quality management systems and holds the ISO9001 Quality Management System Certificate. We also utilize highly advanced production and testing equipment, including automatic noise tests, automatic bore tests, roundness instruments, spectrometers, and bearing life testing machines to ensure every batch meets global standards.
What certifications do your products and factory hold?
Quality is our priority. Our factory is certified with ISO9001 and IATF 16949 Quality Management Systems. We are recognized as a High-Tech Enterprise, and our bearings pass strict SGS (RoHS/SVHC) testing.
Do you provide after-sales support?
Yes. We provide technical assistance and responsiveafter-sales service for Precision bearing, including product selection,installation questions and replacement support.