KET HF0406KFR Precision One-Way Needle Roller Bearing Clutch | 4x8x6mm | Global B2B Industrial Parts

Product Overview: Welcome to the official catalog of Ningbo Kexiang Bearing Technology Co., Ltd., a trusted manufacturer established in 2008. The KET HF0406KFR is a premium one-way needle roller bearing clutch engineered for minimal radial space environments that demand reliable unidirectional rotation and precise torque control. This specific model operates seamlessly alongside compatible drawn cup needle roller bearings, specifically the HK0408TN. Optimized for seamless B2B integration across European and international markets, this component delivers reliable mechanical performance for advanced industrial applications requiring immediate lock-up and freewheeling capabilities.

Key Technical Specifications:

• Model: HF0406KFR

• Inner Diameter (Fw): 4 mm

• Outer Diameter (D): 8 mm

• Width (C): 6 mm

• Torque Moment: 0.1 N.m

• Limiting Speed (Shaft Rotating): 8,000 rpm

• Limiting Speed (Outer Ring Rotating): 34,000 rpm

• Unit Weight: 1 g

Ideal Industrial Applications:

• Compact machine tools and variable speed devices.

• High-efficiency electric power tools and automotive variable speed mechanisms.

• Advanced robotics, UAV propulsion systems, and smart home appliances.

The KET Quality Assurance: Every KET bearing undergoes stringent quality control using advanced testing equipment, including Vickers hardness testers, spectrometers, and automated noise testing. With an annual production capacity of 100 million sets, we ensure scalable, high-quality supply chain solutions for global manufacturing partners.

Why Choose KET Bearings?

Produced by Ningbo Kexiang Bearing Technology Co., Ltd., the KET brand stands for uncompromising quality and global compliance. Backed by ISO9001:2015 and IATF 16949:2016 quality management certifications, as well as rigorous RoHS and SVHC testing (verified by SGS), KET ensures every bearing meets strict international standards. Recognized as a High-Tech Enterprise and a Science and Technology SME in Zhejiang Province, KET provides reliable, secure supply chain management with an annual production capacity of over 100 million sets, tailored to support businesses throughout the United States.

Order your KET Thrust Roller Bearing 51204 today to experience industry-leading load support, precision, and longevity for your critical mechanical systems.

Global Supply & B2B Wholesale

As a leading factory-direct supplier, KET Bearings provides robust supply chain management and reliable fulfillment for wholesale distributors and manufacturing hubs worldwide. Whether your production facilities are located in European industrial centers, the expanding Russian markets, or Central Asian manufacturing zones, we offer scalable bulk ordering, custom OEM/ODM packaging, and dedicated logistical support to keep your assembly lines moving seamlessly.

Contact our B2B sales team today to request a quote, access technical 3D CAD files, or discuss custom non-standard bearing modifications tailored to your specific project.