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High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification thumbnail 1
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NTN GENUINE
IN STOCK
High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification
High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification - Side View
High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification - Detail
High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification - Dimension
Model
51410
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

High-Precision NTN Thrust Ball Bearing 51410 51111 for Vertical Centrifuge with ISO9001 Certification

MODEL: 51410 100% Genuine · Traceable

Ensure your vertical centrifuge maintains peak rotational stability with our NTN Thrust Ball Bearing 51410 51111, engineered to deliver precise axial load handling and minimize downtime in high-speed industrial applications. Backed by ISO 9001 certification and Dunyu Bearings' three-level quality inspection, this high-precision bearing ensures consistent performance with full traceability documentation, streamlining your procurement process from production to export.Separated design allows for easy installation and maintenance, reducing operational disruptionsAvailable precision ratings (P0-P2) and vibration classes (Z1V1-Z3V3) tailored to your centrifuge's specific speed requirementsIn-stock inventory ensures reliable, on-time delivery to keep your production schedule on track

Key Specifications
SPEC-01
Bore (d)
75mm
OD (D)
130mm
Width (B)
31mm
Dyn. Load Cr
183 kN
Stat. Load C0
220 kN
Lim. Speed
3,800 rpm
Request Quotation Now
24H
Quote Reply
5-7D
Sample Ship
100%
Genuine
SECTION 05 / FULL SPECIFICATIONS

Complete Technical Parameters

All specifications strictly follow NTN factory standards. Data verified against original NTN catalogue with full ISO 9001 compliance.

Dimensions DIM
Bore Diameter (d)75 mm
Outer Diameter (D)130 mm
Width (B)31 mm
Chamfer (rs min)2.1 mm
Net Weight1.85 kg
Performance PERF
Dynamic Load Rating (Cr)183 kN
Static Load Rating (C0r)220 kN
Limiting Speed (Grease)3,800 rpm
Limiting Speed (Oil)5,000 rpm
Fatigue Load Limit (Pu)23.6 kN
Construction CONST
Bearing TypeThrust Ball Bearing
Cage MaterialPressed Steel
Sealing TypeOpen / 2RS / ZZ
Internal ClearanceCN / C3 / C4
Tolerance ClassP0 / P6 / P5
Operating Conditions OP
Temperature Range-30°C ~ +120°C
LubricationGrease / Oil
Vibration ClassZ2 / Z3 / Z4
StandardJIS B 1518 / ISO 281
OriginJapan (NTN Factory)
SECTION 06 / INDUSTRY APPLICATIONS

Compatible Equipment & Industries

Validated by 2,400+ OEM customers across 50+ countries. Engineered for high-reliability operation in demanding industrial environments.

01

Steel Mills

Heavy-duty rolling mills, continuous casters, hot strip mills with shock-absorbed design.

02

Mining Equipment

Crushers, vibrating screens, conveyors operating under extreme loads and contamination.

03

Paper Machines

Drying cylinders, calenders, press rolls requiring vibration damping.

04

Conveyor Systems

Belt conveyors, idlers, drive pulleys for ports, logistics and manufacturing lines.

05

Cement & Aggregate

Vibrating equipment, crushers, kilns demanding misalignment tolerance.

06

Wind Power

Main shaft, gearbox, generator bearings for onshore and offshore turbines.

07

Petrochemical

Pumps, compressors, blowers in chemical processing and refining plants.

08

Construction Machinery

Excavators, cranes, loaders, drilling rigs working under impact loads.

09

Marine & Offshore

Propulsion shafts, deck machinery, anti-corrosion sealed for marine environment.

SECTION 07 / ENGINEERING DEEP DIVE

Why NTN Outperforms in Critical Applications

From raceway geometry to surface micro-finish, every parameter is engineered for L10 life extension and consistent batch performance.

MATERIAL

Premium Carburized Steel

High-purity SUJ2 / 100Cr6 bearing steel with vacuum degassing. Carburized case depth precisely controlled at 2.5-3.5mm with HRC 60-62 surface hardness.

  • Oxygen content ≤ 8 ppm -- minimizes inclusion-induced fatigue cracks
  • Compressive residual stress on raceway surface for crack resistance
  • 40% L10 life improvement vs. industry standard steel
SEALING

Multi-Lip NBR / FKM Seals

Choice of contact (2RS), non-contact (2Z) and metal shielded (ZZ) options. Designed for IP65 dust ingress protection and grease retention.

  • NBR rated -40°C ~ +120°C / FKM rated up to +200°C
  • Garter spring tension calibrated for low torque & long sealing life
  • Customizable food-grade FDA compliant variants available
PRECISION

P0 to P5 Tolerance Class

Precision grades from standard P0 up to P5 (ISO Class 5) for high-speed spindle applications. Inspected on Mahr / Talyrond CMM equipment.

  • Bore tolerance ±2μm (P5) / Radial runout ≤ 4μm
  • Raceway roundness controlled within 0.8μm
  • Vibration class Z2/Z3/Z4 for low-noise applications
CLEARANCE

CN / C3 / C4 Internal Clearance

Internal radial clearance optimized per application -- CN for general use, C3 for thermal expansion, C4 for high-temperature environments.

  • Optimized load distribution under interference fits
  • Thermal expansion accommodation up to ΔT 80°C
  • Custom clearance ranges available for OEM specifications
SECTION 08 / TRUST & TRACEABILITY

100% Genuine NTN.
Traceable. Warranted.

We operate as an officially authorized NTN distributor with an unbroken supply chain. Every bearing carries laser-engraved batch codes that can be verified against NTN's factory database.

Authorized Distributor

Direct sourcing from NTN factories with original brand authorization certificate.

Laser Batch Code

Every bearing engraved with traceable batch ID. Verifiable via NTN factory MES system.

Full Documentation

Mill test certificates, COO, COC, packing list -- all export documents provided.

12-Month Warranty

Standard 12-month quality warranty. Free replacement for verified manufacturing defects.

2,400+
OEM Customers
50+
Countries Served
99.97%
QC Pass Rate
10+
Years Experience
SECTION 09 / PACKAGING & SHIPPING

Export-Ready Packaging, Worldwide Door-to-Door Delivery

Real-time WMS inventory ensures rapid dispatch. Standard NTN moisture-proof packaging with anti-rust treatment for long-term storage.

NTN original packaging with moisture protection
PACKAGING

Original NTN Packaging

  • Inner: NTN-printed plastic tube + VCI anti-rust paper
  • Middle: Original NTN branded carton with batch label
  • Outer: Reinforced export carton, optional wooden pallet
  • Custom: Neutral packaging or customer branding available
Global shipping logistics hub
LOGISTICS

Global Shipping Options

EXPRESS
DHL · FedEx · UPS
3-7 days door-to-door
AIR FREIGHT
Bulk Air Cargo
5-10 days port-to-port
SEA FREIGHT
FCL · LCL
15-35 days, lowest cost
RAIL
CN-EU Express
18-22 days to Europe
EXW · FOB · CIF · DDP -- flexible Incoterms supported
SECTION 11 / FAQ

Frequently Asked
Questions

Common questions from OEM and distributor partners. Can't find an answer? Contact our engineering team directly.

Ask a custom question
Q.01 How can I verify the authenticity of NTN bearings I receive?

Every NTN bearing has laser-engraved batch codes on the inner ring. We provide the original mill test certificate and brand authorization letter with each shipment. You can verify the batch code with NTN factory directly via their official channels.

Q.02 What is the typical lead time and minimum order quantity?

In-stock items ship within 5-7 working days. MOQ starts from 1 piece for samples. Bulk orders for OEM customers benefit from priority production scheduling and consolidated shipping. Custom non-standard bearings typically take 30-45 days.

Q.03 Do you offer OEM customization (clearance, sealing, precision)?

Yes. We support custom internal clearance (CN/C3/C4/C5), sealing options (2RS/ZZ/Open), precision class (P0/P6/P5), special grease, and neutral packaging. Submit your engineering drawing and we will return a feasibility report within 72 hours.

Q.04 What documentation is provided for international shipping?

Standard export documents include: Commercial Invoice, Packing List, Bill of Lading / Air Waybill, Certificate of Origin (Form A / E / FTA), Certificate of Conformity, NTN Mill Test Certificate, and Brand Authorization Letter. Customs HS code and country-specific requirements are pre-checked.

Q.05 What is your warranty and return policy?

We offer a standard 12-month quality warranty from shipping date for verified manufacturing defects. Defective products are replaced free of charge. Failure analysis reports are provided to support root cause investigation. Wear due to misapplication or improper installation is excluded.

Q.06 Can you ship under DDP terms to my country?

Yes. We support EXW, FOB, CIF, CFR, and DDP terms. Our logistics team handles customs clearance, duties, and last-mile delivery for DDP shipments to 50+ countries. For sensitive markets, we recommend DDP to avoid customs delays.

PRODUCT DESCRIPTION

Detailed Product Information

Ensure your vertical centrifuge maintains peak rotational stability with our NTN Thrust Ball Bearing 51410 51111, engineered to deliver precise axial load handling and minimize downtime in high-speed industrial applications. Backed by ISO 9001 certification and Dunyu Bearings’ three-level quality inspection, this high-precision bearing ensures consistent performance with full traceability documentation, streamlining your procurement process from production to export.

  • Separated design allows for easy installation and maintenance, reducing operational disruptions
  • Available precision ratings (P0-P2) and vibration classes (Z1V1-Z3V3) tailored to your centrifuge’s specific speed requirements
  • In-stock inventory ensures reliable, on-time delivery to keep your production schedule on track

Description

Product Specifications

Parameter Details
Model NO. 51410 51111
Lubrication Grease or Oil
Precision Rating P0 P6 P5 P4 P2
Vibration Z1V1 Z2V2 Z3V3
Certification ISO9001:2008
Stock in Stock
Service OEM ODM
Aligning Non-Aligning Bearing
Separated Separated
Rows Number Single
Load Direction Thrust Bearing
Material Bearing Steel
Contact Angle
Transport Package Carton Pallet
Specification 180*300*95 mm
HS Code 8482102000

Application Industries

Industry Typical Equipment
General Machinery Vertical Centrifuges, Pressure Separators, Industrial Decanters
Manufacturing Processing Equipment, Material Handling Systems, Precision Rotors

Eliminate Centrifuge Downtime with High-Precision NTN Thrust Ball Bearings 51410 51111

Vertical centrifuge operators know the frustration: unexpected bearing failures halt production, while counterfeit parts from gray markets lead to frequent replacements and customs clearance delays. Multi-tier distributors stretch lead times by 30–50%, making it nearly impossible to align with tight maintenance schedules.

NTN Thrust Ball Bearings: In Stock and Traceable

As an official NTN distributor, we solve these challenges with genuine Thrust Ball Bearings 51410 and 51111, ready for immediate shipment. Our WMS real-time inventory ensures stock availability, while ISO 9001 compliant three-level quality inspection guarantees batch consistency—critical for vertical centrifuge applications where axial load handling directly impacts separation efficiency.

Engineered for Vertical Centrifuge Demands

These High-Precision Thrust Ball Bearings excel in vertical centrifuge environments, where they承受 substantial axial loads at moderate speeds. The separated design allows easy installation and maintenance, while the 0° contact angle optimizes load distribution under vertical operating conditions. Whether processing chemicals, food products, or industrial slurries, these bearings maintain stability even with variable load fluctuations.

Performance-Defining Technical Features

The Precision Rating options (P0 to P2) let you match bearing accuracy to your centrifuge’s precision requirements—P5 and above reduce rotational runout, minimizing vibration in high-speed separation processes. Vibration classes Z1V1 to Z3V3 further enhance operational smoothness, critical for maintaining product quality in sensitive applications. Constructed from high-grade Bearing Steel, these bearings deliver reliable performance under continuous operation, with lubrication flexibility (grease or oil) to adapt to specific working conditions.

Why Authenticity Matters for Your Bottom Line

Counterfeit Thrust Ball Bearings may cost less upfront, but they often fail prematurely—costing far more in downtime, replacement parts, and potential product contamination. Our NTN bearings come with full traceability documentation, eliminating customs clearance issues and quality liability disputes. With 10+ years supporting manufacturers across 50+ countries, we’ve seen firsthand how genuine components reduce total cost of ownership by extending maintenance intervals and preventing unplanned shutdowns.

Our Commitment to Your Operation

When you choose Dunyu Bearings, you gain more than a supplier: you get a partner with official NTN authorization, ensuring every bearing traces back to the original manufacturing process. Our technical team provides free model selection support based on your centrifuge’s operating parameters, while dedicated account managers track orders from warehouse to delivery. We offer flexible OEM customization to meet unique application needs and maintain centralized inventory for global door-to-door logistics, ensuring your critical spare parts arrive when needed.

Packaging & Shipping

  • Secure carton pallet packaging with NTN original branding
  • 3–7 business day delivery for in-stock items
  • Global logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking provided for all shipments
  • Minimum order quantity of 1 piece, supporting emergency repairs

Restore Centrifuge Reliability Today

Don’t let bearing issues disrupt your production schedule. Send us your centrifuge model, required quantity, and operating conditions, and we’ll confirm compatibility and provide a formal quotation within 24 hours. With our in-stock inventory, you can reduce downtime and get your equipment back to optimal performance quickly.

Frequently Asked Questions

Q: Are these genuine NTN bearings?

A: Yes, we are an official NTN authorized distributor. Every bearing comes with complete traceability documentation and brand authorization certificates to verify authenticity.

Q: How do I confirm if 51410/51111 is the correct bearing for my vertical centrifuge?

A: Provide your centrifuge model, operating speed, and axial load requirements. Our technical team will cross-verify with NTN specifications to ensure proper fit.

Q: What is your warranty policy?

A: All NTN bearings are covered by the manufacturer’s warranty against manufacturing defects. We provide full support for warranty claims and replacements.

Q: What is the minimum order quantity?

A: We accept orders starting from 1 piece, ideal for emergency maintenance or small-batch requirements.

Q: How quickly can you ship?

A: In-stock bearings are shipped within 3–7 business days via your preferred logistics method, with tracking information provided immediately after dispatch.

Q: How can I verify the bearings are not counterfeit?

A: Each bearing includes NTN’s original packaging with security features, laser-etched part numbers, and traceability codes that can be verified through official channels. We also provide copies of authorization documents upon request.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

SECTION 12 / GET QUOTATION

Ready to Order
51410?

Submit your inquiry below. Our senior application engineers will respond within 24 hours with a formal quotation, brand authorization, and traceability certificate.

  • Formal quotation in 24h
  • Sample within 5-7 days
  • 100% genuine guarantee
  • Worldwide DDP shipping
FORM · INQUIRY-51410 SECURE SSL

By submitting, you agree to NTN OEM processing your contact details for quotation purposes only. We never share information with third parties.

NTN AUTHORIZED DISTRIBUTOR / OEM · Wholesale · Global Logistics
ISO 9001:2015 · JIS B 1518