KET MR117 / MR117ZZ Metric Miniature Ball Bearing (5x11x3mm) - High-Speed Precision Micro Bearing

Product Description:

Core Selling Points

• Exact Metric Specifications: Precision engineered with a 5 mm inner diameter and an 11 mm outer diameter, specifically designed for seamless integration into global metric-based mechanical assemblies.

• Extreme High-Speed Stability: Capable of reaching up to 50,000 RPM with oil lubrication and 43,000 RPM with grease, ensuring flawless operational stability under rapid rotational stress.

• Reliable Load Capacity: Delivers a robust 455 N basic dynamic load rating and 201 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 MR117 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 MR117 model provides the ultimate balance of a compact 5 mm shaft size and incredible rotational speed. 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: MR117 (Open Type) / MR117ZZ (Shielded Type)

• Inner Diameter (d): 5 mm

• Outer Diameter (D): 11 mm

• Width / Thickness (B/B1): 3 mm (Open) / 2.5 mm (Shielded)

• Chamfer (r): 0.15 mm (Open) / 0.1 mm (Shielded)

• Basic Dynamic Load Rating (Cr): 455 N

• Basic Static Load Rating (Cor): 201 N

• Limiting Speed (Grease Lubrication): Up to 43,000 RPM

• Limiting Speed (Oil Lubrication): Up to 50,000 RPM

Primary Industrial Applications The KET Metric Miniature Series is highly versatile and globally trusted by precision engineers. Featuring an industry-standard 5 mm bore profile, the MR117 bearing is specifically ideal for:

• High-speed industrial micro motors, precision cooling fans, and delicate robotic actuators.

• 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 performance. Contact our international business development department today for B2B quotes, comprehensive technical datasheets, or to request free evaluation samples.

• Global Sales Representative: Ryan Fan

• Direct Email: ryan.fan@ketprecisionbearings.com

• WhatsApp: +86-18067291918

• Official Website: www.ketprecisionbearings.com