Overview Manufactured by Ningbo Kexiang Bearing Technology Co., Ltd., the KET 6300 series deep groove ball bearing is engineered to deliver exceptional radial load support for heavy-duty industrial applications. As a specialized B2B bearing manufacturer based in Ningbo, Zhejiang, China, we produce premium metric miniature bearings with an annual production volume of 100 million sets. The 6300 model features a robust 35mm outer diameter, providing maximum durability, low friction, and stable operation in high-stress mechanical environments.
Key Technical Specifications
Brand: KET
Model Variants: 6300 (Open Type) / 6300zz (Shielded Type)
Inner Diameter (d): 10 mm
Outer Diameter (D): 35 mm
Width / Thickness (B/B1): 11 mm
Chamfer (r): 0.6 mm
Basic Dynamic Load Rating (Cr): 8100 N
Basic Static Load Rating (Cor): 3450 N
Limiting Speed (Grease Lubrication): Up to 26,000 RPM
Limiting Speed (Oil Lubrication): Up to 22,000 RPM
Primary Industrial Applications Our 10-20mm inner diameter series is trusted globally by OEM manufacturers for versatile mechanical applications. With an impressive dynamic load rating of 8100 N, the KET 6300 bearing is specifically ideal for:
Brushless motors and advanced UAV (Drone) motors requiring high load tolerance
Heavy-duty medical equipment and precision instruments
ATM machines, cash counters, and commercial printers
Reliable household appliances and robust fishing gear
Why Choose KET Bearings as Your B2B Sourcing Partner?
Verified Manufacturing Excellence: Located at No.555 Fengshou Road, Jiaochuan Street, Zhenhai District, Ningbo, our facility utilizes state-of-the-art production and testing equipment to ensure 100% precision compliance.
Rigorous Quality Certifications: We operate under strict international quality management systems. We provide complete transparency to our enterprise buyers and can supply official documentation upon request.
Recognized Industry Innovation: KET's commitment to advanced engineering is validated by our official status as a High-Tech Enterprise and a Technology-Based SME in Zhejiang Province.
Material Safety & Compliance: We prioritize global environmental and safety standards, fully backed by our comprehensive laboratory testing reports.
OEM & Customization Capabilities: Beyond standard catalog items, we specialize in manufacturing customized non-standard bearings tailored to your unique engineering specifications.
Contact Us for Global Wholesale & Bulk Quotes
Upgrade your supply chain stability with factory-direct pricing and uncompromising quality. Contact our international business development team today to request a B2B quote, technical datasheets, or custom manufacturing solutions.
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.