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Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification thumbnail 1
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Side View thumbnail 2
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Detail thumbnail 3
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Dimension thumbnail 4
NTN GENUINE
IN STOCK
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Side View
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Detail
Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification - Dimension
Model
NTN-642
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Thrust Ball Bearings F5-12m F6-12 F6-12m F6-13m for Vertical Centrifuge with ISO9001 Certification

MODEL: NTN-642 100% Genuine · Traceable

Ensure uninterrupted vertical centrifuge operation with our high-precision Thrust Ball Bearings, engineered to deliver exceptional axial load support and long service life in demanding industrial environments. As an ISO 9001 certified supplier, we guarantee traceable quality and reliable bulk supply to keep your production on schedule.Precision-engineered separated design allows easy installation and maintenance, reducing downtime during component replacementAvailable in P0-P2 precision ratings with Z1V1-Z3V3 vibration levels to match your centrifuge's specific speed and load requirementsBearing steel construction ensures durability under heavy thrust loads, while flexible lubrication options (grease or oil) adapt to your operating conditionsIn-stock availability and dedicated technical support streamline your procurement process, from model selection to after-sales service

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 uninterrupted vertical centrifuge operation with our high-precision Thrust Ball Bearings, engineered to deliver exceptional axial load support and long service life in demanding industrial environments. As an ISO 9001 certified supplier, we guarantee traceable quality and reliable bulk supply to keep your production on schedule.

  • Precision-engineered separated design allows easy installation and maintenance, reducing downtime during component replacement
  • Available in P0-P2 precision ratings with Z1V1-Z3V3 vibration levels to match your centrifuge’s specific speed and load requirements
  • Bearing steel construction ensures durability under heavy thrust loads, while flexible lubrication options (grease or oil) adapt to your operating conditions
  • In-stock availability and dedicated technical support streamline your procurement process, from model selection to after-sales service

Description

Product Specifications

Parameter Details
Model NO. F5-12M F6-12 F6-12M F6-13M
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
Specification 180*300*95 mm
Origin China
HS Code 8482102000

Application Industries

Industry Typical Equipment
Chemical Processing Vertical Centrifuges, Separators, Decanters
Pharmaceutical Manufacturing Batch Processing Centrifuges, Solid-Liquid Separators
Mining & Minerals Slurry Separation Centrifuges, Dewatering Equipment
Food & Beverage Industrial Centrifuges for Juice Extraction, Oil Separation

Prevent Centrifuge Downtime with Precision Thrust Ball Bearings F5-12m F6-12 Series

Vertical centrifuge operators know the cost of unexpected shutdowns—hours of halted production, missed deadlines, and costly repairs. Many face recurring issues with bearings that fail prematurely due to misalignment, poor load distribution, or substandard materials. When replacement parts lack proper traceability, customs delays and quality disputes only compound the problem.

Genuine Thrust Ball Bearings for Vertical Centrifuges, In Stock and Ready to Ship

Our F5-12m, F6-12, F6-12m, and F6-13m Thrust Ball Bearings are engineered to address these challenges. As an ISO 9001 certified supplier with a three-level quality inspection system, we ensure each bearing meets strict performance standards for vertical centrifuge applications. With real-time WMS inventory, we maintain stock availability for immediate dispatch, eliminating the long lead times common in multi-tier distribution channels.

Optimized Performance in Vertical Centrifuge Environments

Vertical centrifuges operate under unique conditions—high axial loads, variable speeds, and continuous rotation. These Thrust Ball Bearings feature a separated design that simplifies installation and maintenance, while their single-row configuration efficiently handles pure axial loads with a contact angle of 0°, ensuring stable operation even at peak rotational speeds. The bearing steel construction provides exceptional durability, resisting wear and deformation under the heavy loads typical in centrifuge separation processes.

Technical Features That Maximize Centrifuge Reliability

Precision is critical in vertical centrifuge applications, which is why our bearings are available in accuracy classes from P0 to P2. Higher precision grades (P5, P4, P2) minimize runout and vibration, directly reducing noise and extending bearing life. The Z1V1 to Z3V3 vibration classes further ensure smooth operation, preventing excessive wear on adjacent components. With lubrication options for both grease and oil, these bearings adapt to diverse operating temperatures and contamination levels, maintaining performance in harsh industrial environments.

Avoid Hidden Costs: The Value of Traceable Bearings

Choosing non-traceable bearings from gray-market channels may seem cost-effective initially, but the risks are substantial. Counterfeit bearings often fail within months, leading to unplanned downtime that can cost thousands in lost production. Our bearings come with full traceability documentation, ensuring compliance with export regulations and providing clear liability protection in case of quality issues. By investing in genuine, certified Thrust Ball Bearings, you reduce total cost of ownership through longer service life and fewer replacements.

Why Centrifuge Operators Trust Our Bearing Solutions

With over 10 years of technical expertise, we specialize in NTN bearing OEM supply and global wholesale, serving clients in 50+ countries. Our official authorized supply chain guarantees 100% genuine products, while our dedicated technical team provides personalized support—from model selection based on centrifuge working conditions to installation guidance and failure analysis. We offer flexible OEM customization to meet specific equipment requirements, and our global door-to-door logistics ensure timely delivery, whether you need a single replacement bearing or bulk supply for ongoing production.

Packaging & Shipping

  • Carton and pallet packaging for secure transport
  • Package Size: 10.00cm * 10.00cm * 10.00cm
  • Package Gross Weight: 0.500kg per unit
  • Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
  • Real-time shipment tracking provided for all orders
  • 1 piece minimum order quantity supported for emergency repairs

Get Your Vertical Centrifuge Bearings Today

Don’t let bearing issues disrupt your centrifuge operations. Send us your model requirements, operating parameters, and order volume, and we’ll provide a formal quotation with brand authorization and traceability certificates within 24 hours. Our in-stock inventory means you can get the bearings you need without delay—minimizing downtime and keeping your production on schedule.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

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

Q: How do I confirm the correct bearing model for my vertical centrifuge?

A: Provide your centrifuge model, operating speed, load capacity, and working conditions. Our technical team will verify the optimal bearing型号 for your specific application.

Q: What is your warranty policy?

A: We offer a warranty against manufacturing defects in accordance with NTN standards. Defective products are replaced unconditionally with proper documentation.

Q: What is the minimum order quantity?

A: We accept orders for 1 piece, supporting both emergency repair needs and bulk OEM supply.

Q: How long does shipping take?

A: In-stock bearings are shipped within 3-7 business days. Delivery time depends on your location and chosen logistics method (express, air, or sea freight).

Q: How can I verify the authenticity of the bearings upon receipt?

A: Check the packaging for our official labels, verify the serial number against the traceability document, and confirm the laser-etched model markings. We provide all necessary documentation for authentication.

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
NTN-642?

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
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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