• New NTN Eccentric Bearing 612 5159 YSX for Reliable Performance - NTN [1]
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NTN

New NTN Eccentric Bearing 612 5159 YSX for Reliable Performance

New NTN Eccentric Bearing 612 5159 YSX for Reliable Performance

$285.24 USD
$285.24 USD $285.24 USD
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MPN 612 5159YSX/6125159YSX
Brand NTN
Model 612 5159 YSX
Weight Varies by application
Quantity 1
Dimensions Varies by application
Compatibility Universal for compatible machines
Type Eccentric Bearing
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Description


New NTN Eccentric Bearing 612 5159 YSX for Reliable Performance

The NTN Eccentric Bearing 612 5159 YSX is designed for robust performance in various applications. As a high-quality bearing, the NTN Eccentric Bearing 612 5159 YSX ensures reliability and efficiency. With the NTN Eccentric Bearing 612 5159 YSX, you can expect enhanced durability and smooth operation, making it an excellent choice for your machinery. Choose NTN Eccentric Bearing 612 5159 YSX for optimal results and long-term satisfaction.

Engineer's Quick Brief

  • NTN 612 5159 YSX is a specialized eccentric roller bearing commonly used in cycloidal gear reducers, precision transmission assemblies, and industrial reduction systems.
  • 22 × 58 × 32 mm dimensional architecture supports compact high-load transmission mechanisms with stable eccentric motion and reduced vibration.
  • Designed for applications requiring high radial load capacity, accurate eccentric rotation, and long operational durability in heavy-duty industrial environments.
The NTN 612 5159 YSX eccentric bearing is widely associated with cyclo drive systems where precise eccentric motion is critical for torque transmission efficiency and low-noise operation.

SEO Introduction

The NTN 612 5159 YSX Eccentric Bearing is an industrial-grade eccentric roller bearing engineered for use in cycloidal reducers, gear transmission assemblies, and compact heavy-load rotational systems. Featuring a standard dimensional profile of 22 mm bore × 58 mm outer diameter × 32 mm width, the bearing supports stable eccentric motion under demanding industrial operating conditions.

Commonly referenced in searches related to cyclo drive eccentric bearings, industrial gearbox bearings, eccentric roller bearings, speed reducer maintenance, and gear reducer replacement bearings, the NTN 612 5159 YSX is widely utilized in automated machinery, heavy industrial drives, and precision transmission systems.

Technical Specifications

Parameter Specification
Manufacturer NTN
Model 612 5159 YSX
Bearing Type Eccentric Roller Bearing
Structure Cylindrical Roller / Double Row Eccentric Configuration
Inner Diameter (d) 22 mm
Outer Diameter (D) 58 mm
Width (B) 32 mm
Approximate Weight 0.6 kg
Rolling Element Type Roller
Precision Grades P0 / P5 / P6 variants depending on supplier configuration
Cage Material Steel or engineered polymer cage depending on production version
Bearing Material Chrome Bearing Steel / GCr15
Seal Configuration Open Type
Typical Lubrication Grease Lubricated
Operating Function Eccentric rotational motion transmission
Typical Operating Environment Industrial reducers, cycloidal gear drives, automated transmission systems
Associated Mechanism Cycloidal Speed Reducer / Cyclo Drive
Mounting Orientation Shaft eccentric mounting arrangement
Load Characteristics High radial load support with eccentric displacement capability
Noise Characteristics Low vibration and stable rotational motion when properly aligned
Interchange References 612 5159 YSX / 6125159YSX

Application Matrix

Industry Application Engineering Value
Industrial Automation Cycloidal speed reducers Provides accurate eccentric rotation and torque transmission stability
Packaging Machinery Servo reduction assemblies Supports compact high-load motion systems with reduced backlash
Robotics Precision reduction mechanisms Improves rotational consistency and vibration control
Material Handling Heavy-duty conveyor reducers Handles continuous radial loading under repetitive cycles
Mining & Heavy Industry Gearbox transmission systems Enhances durability in harsh operating environments
Machine Tools Precision drive systems Maintains stable eccentric motion at controlled rotational speeds

Troubleshooting & FAQ

What is the primary function of the NTN 612 5159 YSX bearing?

This bearing generates controlled eccentric rotational motion inside cycloidal or reduction drive systems. It converts rotational shaft movement into eccentric displacement required by cyclo gear mechanisms.

What are common signs of eccentric bearing wear?

  • Abnormal vibration during reducer operation
  • Increased mechanical noise
  • Excessive heat generation
  • Irregular rotational motion
  • Lubrication leakage or contamination

Can the 612 5159 YSX be used in standard radial bearing applications?

No. This bearing is specifically designed for eccentric motion systems. Standard radial bearing substitution may cause severe misalignment or transmission failure.

What lubrication method is recommended?

High-quality industrial bearing grease suitable for heavy radial loads and continuous operation is typically recommended. Lubrication intervals depend on reducer operating temperature and duty cycle.

Why is precise alignment important during installation?

Eccentric bearings operate under intentional offset geometry. Improper installation alignment can introduce excessive vibration, cage stress, and premature roller wear.

Which equipment commonly uses this bearing type?

Cycloidal gear reducers, compact industrial speed reducers, robotic transmission systems, and high-torque reduction assemblies commonly utilize this eccentric bearing architecture.

Cross-Reference Guide

The 612 5159 YSX eccentric bearing belongs to a broader family of cycloidal reducer eccentric bearings commonly found in industrial gear reduction systems.

Related Model Type Typical Size Group Application Relationship
612 2529 YSX Eccentric Bearing 22 × 58 × 32 mm Similar cyclo drive configuration class
612 43 YSX Eccentric Bearing 22 × 58 × 32 mm Related reducer architecture family
612 7187 YSX Eccentric Bearing 22 × 58 × 32 mm Industrial cycloidal gearbox interchange family
614 06-11 YSX Eccentric Bearing 25 × 68.5 × 42 mm Larger reducer platform
614 43-59 YSX Eccentric Bearing 25 × 68.5 × 42 mm Heavy-duty reduction systems
Cross-reference suitability depends on reducer manufacturer geometry, eccentric offset values, shaft configuration, and gearbox internal clearances. Always verify exact dimensional and application compatibility before replacement.

About Koeed Automation

Expert Supply Solutions for Global Industrial Electronics

At Koeed.com, we are professional architects of the industrial electronics supply chain. We specialize in providing high-performance PLCs, HMIs, Servo Motors, Drives, and Converters to ensure that modern manufacturing operations remain efficient, reliable, and future-proof in 2026’s competitive landscape.

🛡️ Certified Quality

We source only 100% authentic industrial hardware from global category leaders. Every component undergoes a rigorous verification process to meet Industry 4.0 reliability standards.

⚙️ Engineering Domain

Our experts provide more than just parts; we offer technical insight. We assist in complex product selection and compatibility audits for both legacy system upgrades and new installations.

🌐 Rapid Global Logistics

Time is money in industrial automation. Our optimized supply network ensures that critical components reach your facility quickly, significantly reducing unplanned downtime and operational loss.

Strategic Global Portfolio: Siemens, Omron, FANUC, Schneider Electric, Mitsubishi, Yaskawa, Allen-Bradley, and other elite industrial brands.

Supporting your vision for a smarter, more efficient industrial future.

Alternative Names


  • 612 5159 YSX
  • 612 5159 YS
  • NTN 612 5159 YSX

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If you have any questions about product information and prices, please feel free to contact us by email or WhatsApp. We will respond quickly.

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  • It takes up to 10 days from the time of ordering (excluding Saturdays and Sundays) to the time of delivery to your designated location. Worldwide delivery.
  • Within 3 days after placing the order, we will send you photos and videos of the product via email or WhatsApp for confirmation

International shipping - items may be subject to customs processing depending on the item's customs value.
Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:

  • Delays from customs inspection.
  • Import duties and taxes which buyers must pay.
  • Brokerage fees payable at the point of delivery.

Shipping Policy

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We ship to customers all over the world. Our primary logistics providers are DHL, UPS, TNT, FedEx, and EMS.

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Shipping charges for your order will be calculated and displayed at checkout. Delivery estimates are within 7-14 days. Please note that these shipping times are only estimates and unfortunately, cannot be guaranteed.

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We take every reasonable precaution to ensure that products are not damaged. If the item is damaged in transit, please immediately contact us. We are not liable for any products damaged or lost during shipping. If you received your order damaged, please contact the shipment carrier to file a claim. Please save all packaging materials and damaged goods before filing a claim.

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Please verify you have the correct shipping address on your order PRIOR to making payment as this is the address we will ship to.

Return Policy

For more information, visit our Return Policy page.

International shipping - items may be subject to customs processing depending on the item's customs value.

Sellers declare the item's customs value and must comply with customs declaration laws.
As the buyer, you should be aware of possible:
• Delays from customs inspection.
• Import duties and taxes which buyers must pay.
• Brokerage fees payable at the point of delivery.

Contact Us

If you have any questions about your order, please contact us at moritta@koeed.com.

Return Policy

Return and Refund Policy

We want you to be completely satisfied with your purchase on our store. If for any reason you are not entirely satisfied, we're here to help!

Returns

You have a generous 30 calendar days to return an item from the date you received it. To be eligible for a return, ensure the item is in its original, unworn, and unused condition with tags and packaging intact. Retain your receipt or proof of purchase for eligibility. Please note that certain items are non-returnable like perishables, custom products, personal care goods, hazardous materials, flammable liquids, and gases. Reach out for clarifications on specific items.

Return Process

Commence the return process by reaching out to us at moritta@koeed.com. Upon approval, we will furnish you with a return shipping label and detailed instructions for dispatching your package. Unnotified returns will not be accepted.

Damages and Issues

Kindly review your order upon delivery. Notify us promptly if it arrives defective, damaged, or incorrect. We will address the matter swiftly.

Exchanges

Facilitate a swift exchange by returning the original item once approved and making a new purchase.

EU 14-Day Cooling Off Period

EU-bound shipments allow a 14-day cancellation or return period without justification. Conditions mirror standard returns.

Refunds

Upon receiving and inspecting your return, we’ll inform you of the refund status. Approved refunds are automatically processed within 10 business days via the initial payment method. Allow time for financial institutions to finalize the refund. For delays exceeding 15 business days post-approval, contact us at moritta@koeed.com.

Shipping

You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.

Contact Us

If you have any questions on how to return your item to us, feel free to contact us at moritta@koeed.com.

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