KET 6301 / 6301ZZ Deep Groove Ball Bearing (12x37x12mm) - Maximum Load Heavy-Duty Metric Bearing

Product Description:

Overview The KET 6301 series deep groove ball bearing represents the pinnacle of load-bearing capacity within our 12mm inner diameter metric miniature range. Manufactured by Ningbo Kexiang Bearing Technology Co., Ltd., a distinguished industry leader established in 2008. Operating under our globally trusted trademark "KET", we provide exceptional precision components engineered for the most demanding mechanical environments. Featuring a substantial 37mm outer diameter and a robust 12mm width, the 6301 model delivers an unparalleled dynamic load rating of 9700 N. Supported by our automated production lines yielding 100 million sets annually, we guarantee stable, high-volume supply chains and factory-direct pricing for global B2B procurement.

Key Technical Specifications

• Brand: KET

• Model Variants: 6301 (Open Type) / 6301zz (Shielded Type)

• Inner Diameter (d): 12 mm

• Outer Diameter (D): 37 mm

• Width / Thickness (B/B1): 12 mm

• Chamfer (r): 1 mm

• Basic Dynamic Load Rating (Cr): 9700 N

• Basic Static Load Rating (Cor): 4200 N

• Limiting Speed (Grease Lubrication): Up to 20,000 RPM

• Limiting Speed (Oil Lubrication): Up to 24,000 RPM

Primary Industrial Applications The KET 10-20mm inner diameter series is trusted worldwide by OEM manufacturers. Engineered specifically to handle extreme radial stress, the ultra-durable KET 6301 bearing is the optimal choice for:

• Downstream heavy-duty motor assembly and advanced commercial UAV (Drone) motors.

• High-stress medical equipment and precision scientific instruments.

• Heavy commercial printers, ATM machines, and automated cash counters.

• Industrial-grade fitness equipment, reliable household appliances, and heavy fishing gear.

Why Choose KET Bearings as Your Strategic Manufacturing Partner?

• World-Class Manufacturing Facility: Located at No.555 Fengshou Road, Jiaochuan Street, Zhenhai District, Ningbo, China, our factory employs cutting-edge automatic noise testing and image measuring instruments to ensure 100% precision and defect-free compliance.

• Internationally Certified Quality Systems: We operate strictly under global quality management frameworks. To ensure complete transparency with our enterprise partners, we proudly provide our official certifications upon request.

• Award-Winning Engineering Innovation: Our continuous investment in R&D is validated by our prestigious recognition as a High-Tech Enterprise and a Technology-Based SME in Zhejiang Province .

• Global Material Safety & Environmental Compliance: We utilize premium raw materials that meet strict international environmental and safety directives, fully backed by our comprehensive third-party SGS laboratory testing reports .

• OEM & Customization Capabilities: Beyond our standard catalog, our specialized R&D team is fully equipped to design, develop, and manufacture custom non-standard bearings tailored exactly to your unique engineering requirements.

Contact Us for Global Wholesale & Bulk Purchasing

Secure your supply chain with uncompromising engineering quality, reliable delivery schedules, and competitive factory-direct pricing. Contact our international business development department today for B2B quotes, comprehensive technical datasheets, or to request evaluation samples.