Precision Miniature Bearing Manufacturer

We provide precision bearings and application support for motors, drones, smart robots, smart home appliances, and other high-demand industries worldwide.

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Custom Precision Bearings Solutions & Technical Support

Tailored precision bearings solutions for your equipment and working conditions. Send us your drawings, model, or technical requirements.

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KET Precision Bearings specialises in manufacturing various precision micro bearings

One-stop precision bearings customization solution

18＋ years of professional experience with precision bearings. Providing components compatible with original manufacturers, as well as customized support for the global industrial and maintenance markets.

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18+ Years of Expertise

Fast support for precision bearings

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300+ Types of bearings

Specializes in producing precision bearings, with an annual output of 100 million pcs

ket precision bearings global supply

Exported to 50+ Countries

Supplying reliable precision bearings to global distributors, OEMs and repair markets
PRODUCTS

Popular Bearing Products

Find the right precision bearings by product family or application requirement.

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3D Model

Application

UAV
01

UAV

KET Precision Bearings for UAV brushless motors, optical pods, and gimbals. Engineered to ABEC-5/ABEC-7 precision, offering high RPM stability, ultra-low friction, and extended flight endurance. Popular Models: MR105ZZ, MR148ZZ, 684ZZ, 685ZZ, 688ZZ, 693ZZ, and Ceramic Hybrid Series.

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Smart Home Appliances
02

Smart Home Appliances

KET Precision Bearings for smart home appliances, including robot vacuums, air purifiers, BLDC fans, and kitchen processors. Engineered to Z3/Z4 low-noise grades, offering high energy efficiency and ultra-quiet, long-life performance. Popular Models: 608ZZ, 688ZZ, 626ZZ, 696ZZ, 6000ZZ, 6201-2RS, and Ultra-Quiet Series.

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Industrial Robot
03

Industrial Robot

KET Precision Bearings for industrial robots, articulate arms, AGVs/AMRs, and joint reducers. Engineered for high rigidity, high rotation accuracy, and compact load capacity to ensure precise movement and long-term reliability. Popular Models: RU66, RB5013, CRBH508, 6810ZZ, 6812ZZ, 7005AC, and Harmonic Drive Flexible Series.

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Machine Tool
04

Machine Tool

KET Precision Bearings for CNC machine tool spindles, ball screw support systems, linear motion drives, and rotary indexing tables. Engineered to P4/P2 (ABEC-7/ABEC-9) precision grades with high rigidity, extreme speed capability, and minimal runout for high-precision machining. Popular Models: 7000/7200 Series, 71900 Series, TAC Ball Screw Series, NN3000 Series, and YRT Rotary Table Series.

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Automobile Industry
05

Automobile Industry

KET Precision Bearings for the automotive industry, including EV drive motors, electronic power steering (EPS), alternators, cooling fans, and wheel hubs. Certified to automotive standards, engineered for extreme temperatures, high speeds, and long service life. Popular Models: 6202-2RS, 6203-2RS, 6206-2RS, 6308-2RS, DAC3564, and EV Ceramic Hybrid Series.

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Office Equipment
06

Office Equipment

KET Precision Bearings for office automation equipment, including laser printers, copiers, scanners, 3D printers, and shredders. Engineered for ultra-quiet operation, low starting torque, and superior dust resistance to ensure smooth paper handling and precise motion. Popular Models: 608ZZ, 625ZZ, 688ZZ, MR106ZZ, F688ZZ (Flanged), and Miniature Series.

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Motor
07

Motor

KET Precision Bearings for industrial electric motors, including AC/DC motors, servo drives, steppers, and high-speed BLDC motors. Engineered to Z3/V3 low-noise and low-vibration standards, delivering high dynamic load capacity and energy-efficient rotation. Popular Models: 6201-2RS, 6202-2RS, 6203-2RS, 6204-2RS, 6205-2RS, 608ZZ, and Servo Precision Series.

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Motorcycle
08

Motorcycle

KET Precision Bearings for motorcycles, e-scooters, and ATVs. Specialized for wheel hubs, engine crankshafts, transmissions, and steering stems. Engineered with advanced sealing, optimized clearances, and high dynamic load capacities for superior shock resistance and all-weather durability. Popular Models: 6202-2RS, 6203-2RS, 6204-2RS, 6304-2RS, 6004-2RS, and Steering Tapered Roller Series.

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Fitness Equipment
09

Fitness Equipment

KET Precision Bearings for commercial and home fitness equipment, including treadmills, spin bikes, ellipticals, and rowing machines. Engineered for ultra-quiet operation, heavy dynamic load capacity, and sweat-resistant sealing to deliver a smooth, maintenance-free workout experience. Popular Models: 608ZZ, 6201-2RS, 6202-2RS, 6203-2RS, 6204-2RS, and Pulley Bearing Series.

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Medical Devices
10

Medical Devices

KET Precision Bearings for critical medical devices, including surgical robots, CT/MRI scanners, dental handpieces, and laboratory centrifuges. Engineered for ultra-high speeds, zero-backlash precision, and biocompatible reliability. Popular Models: SR144, S684ZZ, S6806-2RS, CRBH Series, Thin Section, and Non-Magnetic Ceramic Hybrids.

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UAV
01

UAV

Smart Home Appliances
02

Smart Home Appliances

Industrial Robot
03

Industrial Robot

Machine Tool
04

Machine Tool

Automobile Industry
05

Automobile Industry

Office Equipment
06

Office Equipment

Motor
07

Motor

Motorcycle
08

Motorcycle

Fitness Equipment
09

Fitness Equipment

Medical Devices
10

Medical Devices

WHY CHOOSE US

Why Partner with KET Bearings?

ket Precision Bearings Ningbo Kexiang Bearing Technology Co., Ltd. provides solutions for customers

Application-Specific Technical Support

Our team helps recommend suitable brearings based on your application, working conditions and technical requirements.

KET precision bearings professional dust-free automated production workshop

Fast Response & Quotation

We respond quickly to global inquiries, helping buyers confirm product compatibility, specifications and quotations with efficient technical support.

KET precision bearings Professional automated production machinery

Flexible Production Capacity

Flexible MOQ support for samples, replacement orders and bulk projects, backed by stable production capacity and reliable delivery.

ket Precision Bearings Global Shipping Supply

Global Export Support

Exported to 50+ countries, we support distributors, OEMs and repair markets with responsive communication, documentation and after-sales assistance.

TECHNICAL DOWNLOADS

Download Precision Bearings Product Catalogues

Access product Precision Bearings. Download the catalogue you need to support product selection, replacement and project planning.
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KET Precision_Bearings_Product_Catalogues
Precision Bearings factory
About KET Bearings

Precision Bearings Manufacturer & Supplier

With 18 years of precision bearing industry experience, KET manufactures and supplies deep groove ball bearings, needle bearings, flange bearings and thrust ball bearings for micro motors, medical equipment, precision instruments and global household appliance markets. From standard 1-20mm micro bearings to custom non-standard bearing solutions, our team supports distributors, OEM customers and project buyers with reliable products, complete application technology services and supply chain management.
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Our Partners

Trusted by global industry leaders

Become a Partner
KET Precision Bearings' Partner DJI
KET Precision Bearings' Partner TENON
KET Precision Bearings' Partner AIRQUALITY
KET Precision Bearings' Partner Jinba Intelligent Technology CO Ltd
KET Precision Bearings' Partner WEIZHEN MOTOR
KET Precision Bearings' Partner BYD
KET Precision Bearings' Partner Dong Cheng
KET Precision Bearings' Partner Nidec
KET Precision Bearings' Partner UNITE MOTOR
KET Precision Bearings' Partner DJI
KET Precision Bearings' Partner TENON
KET Precision Bearings' Partner AIRQUALITY
KET Precision Bearings' Partner Jinba Intelligent Technology CO Ltd
KET Precision Bearings' Partner WEIZHEN MOTOR
KET Precision Bearings' Partner BYD
KET Precision Bearings' Partner Dong Cheng
KET Precision Bearings' Partner Nidec
KET Precision Bearings' Partner UNITE MOTOR
Certification

Committed to Quality and Compliance

KET bearings have obtained ISO9001 certification and have passed multiple quality audits and product testing certifications. Our standards ensure high performance, durability, and safety across all service markets.
KET Precision Bearings Zhejiang Province Technology-based SME Certificate

Zhejiang Province Tech SME Certificate

KET Precision Bearings ISO 9001 Certificate

ISO 9001

KET Precision Bearings 25.SGS Certificate

KET 25.SGS

KET Precision Bearings 25.SGS Certificate

KET 25.SGS

ket Precision Bearings High-tech Enterprise Certificate

High-tech Enterprise Certificate

KET Precision Bearings ISO 9001 Certificate2

KET IS9001 System

KET precision bearings IATF16949 certificate

KET IATF16949 Certificate

FAQ

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.

Industry news about KET Bearings

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  • KET precision bearings in Halloween costumes beside pumpkins, with a moonlit castle in the background.

    Happy Halloween from KET: A Little Magic, a Lot...

    KET precision bearings dress up for Halloween. Discover the engineering focus, creative spirit and collaborative values behind our seasonal celebration.

    Happy Halloween from KET: A Little Magic, a Lot...

    KET precision bearings dress up for Halloween. Discover the engineering focus, creative spirit and collaborative values behind our seasonal celebration.

  • Precision Bearings for Smart Home Appliances | KET Models

    Precision Bearings for Smart Home Appliances | ...

    Abstract: The modern smart home relies on appliances that are not only intelligent but also whisper-quiet and highly durable. Ningbo Kexiang Bearing Technology Co., Ltd. (KET) supplies the essential precision...

    Precision Bearings for Smart Home Appliances | ...

    Abstract: The modern smart home relies on appliances that are not only intelligent but also whisper-quiet and highly durable. Ningbo Kexiang Bearing Technology Co., Ltd. (KET) supplies the essential precision...

  • ket-precision-bearings-product-range-overview

    KET Precision Bearings: Comprehensive Product R...

    Abstract: Precision bearings are the foundation of a better tomorrow, ensuring the smooth operation of critical machinery worldwide. Ningbo Kexiang Bearing Technology Co., Ltd. (KET), established in 2008 in Ningbo, China,...

    KET Precision Bearings: Comprehensive Product R...

    Abstract: Precision bearings are the foundation of a better tomorrow, ensuring the smooth operation of critical machinery worldwide. Ningbo Kexiang Bearing Technology Co., Ltd. (KET), established in 2008 in Ningbo, China,...

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