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<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung thumbnail 1
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Side View thumbnail 2
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Detail thumbnail 3
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Dimension thumbnail 4
NTN GENUINE
IN STOCK
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Side View
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Detail
<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung - Dimension
Model
NTN-588
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

<strong> Axialkugellager F3-8m F4-9 F4-10 für Kranhaken mit <p> Zertifizierung

MODEL: NTN-588 100% Genuine · Traceable

Ensure reliable crane hook performance with NTN Thrust Ball Bearing F3-8m F4-9 F4-10, engineered to deliver stable axial load handling in heavy-duty lifting operations. As an official NTN distributor, we guarantee 100% genuine bearings with full traceability, eliminating risks of counterfeit products and simplifying customs clearance for global shipments.Separated design allows easy installation and maintenance, reducing downtime during component replacementISO9001 certified quality with P0-P2 precision ratings ensures consistent performance under varying load conditionsAvailable ex-stock for prompt delivery, supporting your production scheduling needs with minimal lead time

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 reliable crane hook performance with NTN Thrust Ball Bearing F3-8m F4-9 F4-10, engineered to deliver stable axial load handling in heavy-duty lifting operations. As an official NTN distributor, we guarantee 100% genuine bearings with full traceability, eliminating risks of counterfeit products and simplifying customs clearance for global shipments.

  • Separated design allows easy installation and maintenance, reducing downtime during component replacement
  • ISO9001 certified quality with P0-P2 precision ratings ensures consistent performance under varying load conditions
  • Available ex-stock for prompt delivery, supporting your production scheduling needs with minimal lead time

Description

Produktspezifikationen

Parameter

Details

Modell-Nr.

F3-8M F4-9 F4-9M F4-10

Schmierung

Fett oder Öl

Präzisionsbewertung

P0 P6 P5 P4 P2

Vibration

Zertifizierung

:2008

Bestand

auf Lager

Service

OEM ODM

Ausrichten

Nicht selbstausrichtendes Lager

Getrennt

Getrennt

Zeilenanzahl

Einzel

Lastrichtung

Axiallager

Material

Wälzlagerstahl

Kontaktwinkel

0°

Transportverpackung

Kartonpalette

Spezifikation

180*300*95 mm

Ursprung

China

HS-Code

8482102000

Z1V1 Z2V2 Z3V3

Anwendungsindustrien

Industrie

Typische Ausrüstung

Krankaken, Turmkrane, Mobilkrane

Materialhandhabung

Hebezüge, Winden, Hebeausrüstung

Industriemaschinen

Pressen, Schmiedemaschinen, Schwerlastgetriebe

Construction & Heavy Machinery

Stoppen Sie Kranausfallzeiten mit zuverlässigen Axialkugellagern F3-8m F4-9 F4-10

Kranhakenausfälle aufgrund minderwertiger Lager kosten Betreiber laut Branchenwartungsberichten durchschnittlich 47 Produktionsstunden pro Monat. Lager aus dem Graumarkt haben oft keine korrekten Lastangaben, was zu vorzeitigem Verschleiß und Sicherheitsrisiken führt. Mehrstufige Vertriebskanäle verlängern die Lieferzeiten in der Regel um 30-50 %, sodass Wartungsteams warten müssen, während die Ausrüstung stillsteht.

Original Axialkugellager für Kranhaken – Jetzt auf Lager

Als offizieller -Vertriebspartner liefern wir originale

Axial-Rillenkugellager, die speziell für Kranhakenanwendungen entwickelt wurden. Unsere geteilte Bauweise ermöglicht eine einfache Montage und Demontage, was für die Minimierung von Ausfallzeiten bei Wartungsarbeiten entscheidend ist. Mit Echtzeit-Inventarverfolgung via WMS sind unsere Lager F3-8m, F4-9 und F4-10 sofort versandbereit, wodurch Verzögerungen traditioneller Lieferketten vermieden werden.

Entwickelt für vertikale Lasten in Schwerlastanwendungen

Diese einreihigen Axial-Rillenkugellager sind für die Aufnahme von Axiallasten in Kranhakensystemen ausgelegt, bei denen die vertikale Gewichtsunterstützung von größter Bedeutung ist. Der Kontaktwinkel von 0° optimiert die Lastverteilung unter statischen und dynamischen Hebevorgängen, während die nicht ausrichtbare Konstruktion die Stabilität in fest positionierten Anwendungen gewährleistet. Hergestellt aus hochwertigem Lagerstahl, bewahren sie ihre strukturelle Integrität selbst unter den Stoßbelastungen, die in Bau- und Materialtransportumgebungen üblich sind.

Technische Merkmale, die die Betriebssicherheit gewährleisten

Optionen der Präzisionsklasse (P0 bis P2) ermöglichen eine Anpassung basierend auf den Anwendungsanforderungen – P5- und P4-Klassen bieten engere Toleranzen für hochpräzise Hebesysteme, während P0 eine kosteneffiziente Zuverlässigkeit für Standardanwendungen bietet. Vibrationsklassen bis

kontrollieren Lärm und Resonanz, entscheidend für den Bedienkomfort und die Langlebigkeit der Ausrüstung. Das getrennte Design erleichtert die Inspektion und Schmierung vor Ort, mit Unterstützung für sowohl Fett- als auch Ölschmierung, um sich an unterschiedliche Betriebstemperaturen und Lastbedingungen anzupassen.

Warum Authentizität für Kran-Sicherheitskomponenten wichtig ist

Counterfeit thrust bearings for crane hooks pose severe risks: inadequate material quality can lead to sudden component failure, endangering personnel and causing catastrophic equipment damage. Our ISO9001:2008 certified three-level quality inspection system ensures each F3-8m F4-9 F4-10 bearing meets NTN’s exacting standards. Full product traceability documentation eliminates customs clearance issues and provides liability protection – critical for compliance in global construction projects.

Warum weltweit Kranbetreiber unsere Lager wählen

With over 10 years of technical expertise, our team specializes in matching NTN bearings to specific crane models and operating conditions. As an authorized distributor, we maintain direct access to NTN’s OEM supply chain, ensuring 100% genuine products with complete traceability. Our global door-to-door logistics network serves clients in 50+ countries, with dedicated account managers overseeing every order from warehouse to installation. We support flexible OEM customization, including special lubrication and packaging options, to meet unique project requirements.

Packaging & Shipping

    Karton-Palettenverpackung mit feuchtigkeitsbeständiger Auskleidung zum Schutz der Lager während des Transports

    Lagerartikel werden innerhalb von 24 Stunden nach Auftragsbestätigung versandt

    Globale Logistikoptionen einschließlich DHL, FedEx, UPS, Luftfracht und Seefracht

    Echtzeitverfolgung für alle Sendungen bereitgestellt

    Mindestbestellmenge von 1 Stück, unterstützt sowohl Notfallreparaturen als auch Großeinkäufe

Erhalten Sie Ihre Kranhakenlager schnell geliefert

Don’t let bearing availability delay your crane operations. Send us your exact model requirements (F3-8m, F4-9, F4-10 or other variants), operating conditions, and quantity – our technical team will confirm compatibility and provide a formal quotation within 24 hours, including brand authorization and traceability certificates.

Häufig gestellte Fragen

F: Sind das echte Lager?

A: Ja, wir sind ein offizieller autorisierter Händler. Jedes Lager wird mit vollständigen Rückverfolgbarkeitsdokumenten und Markenautorisierungszertifikaten zur Echtheitsprüfung geliefert.

F: Wie kann ich das richtige Lagermodell für meinen Kranhaken bestätigen?

A: Geben Sie Ihr Kranmodell, die Hakenkapazität und die vorhandenen Lagerabmessungen an. Unser technisches Team wird die Angaben mit den Spezifikationen von abgleichen, um eine korrekte Passform sicherzustellen.

F: Wie lautet Ihre Garantiepolitik?

A: All NTN bearings come with the manufacturer’s standard warranty covering manufacturing defects. We provide full after-sales support for any quality issues.

Q: Wie lautet die Mindestbestellmenge?

A: Wir akzeptieren Bestellungen für 1 Stück, geeignet für Notreparaturen, mit Mengenrabatten für Großeinkäufe.

F: Wie schnell können Sie nach Südostasien versenden?

A: Standardlager werden innerhalb von 24 Stunden versandt, mit durchschnittlichen Lieferzeiten nach Südostasien von 3-5 Werktagen per Expresskurier.

Q: How can I verify the bearing’s authenticity upon receipt?

A: Each bearing includes NTN’s original packaging with holographic labels. We also provide batch traceability reports and can assist with verification through NTN’s official channels.

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-588?

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