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<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> thumbnail 1
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Side View thumbnail 2
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Detail thumbnail 3
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Dimension thumbnail 4
NTN GENUINE
IN STOCK
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p>
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Side View
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Detail
<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p> - Dimension
Model
NTN-588
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

<strong> Rodamiento de bolas de empuje F3-8m F4-9 F4-10 para gancho de grúa con certificación <p>

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

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

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

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Vibración

Certificación

:2008

Inventario

en Stock

Servicio

OEM ODM

Alineando

Cojinete No Alineado

Separado

Separado

Número de Filas

Único

Dirección de Carga

Cojinete de empuje

Material

Acero para rodamientos

Ángulo de contacto

0°

Paquete de Transporte

Palé de Cartón

Especificación

180*300*95 mm

Origen

China

Código HS

8482102000

Z1V1 Z2V2 Z3V3

Industrias de Aplicación

Industria

Equipo Típico

Ganchos de grúa, grúas torre, grúas móviles

Manejo de Materiales

Ganchos, Cabrestantes, Equipos de Elevación

Maquinaria Industrial

Prensas, Máquinas de Forja, Reductores de Alta Resistencia

Construction & Heavy Machinery

Detenga el tiempo de inactividad de la grúa con rodamientos de bolas de empuje fiables F3-8m F4-9 F4-10

Las fallas en los ganchos de grúa debido a rodamientos de calidad inferior cuestan a los operadores un promedio de 47 horas de producción al mes, según informes de mantenimiento de la industria. Los rodamientos del mercado gris a menudo carecen de clasificaciones de carga adecuadas, lo que lleva a un desgaste prematuro y riesgos de seguridad. Los canales de distribución de múltiples niveles suelen extender los tiempos de entrega en un 30-50%, dejando a los equipos de mantenimiento esperando mientras el equipo permanece inactivo.

Rodamientos de Bolas de Empuje Originales para Ganchos de Grúa – En Stock Ahora

Como distribuidor oficial de , suministramos auténticos rodamientos de bolas de empuje

diseñados específicamente para aplicaciones de gancho de grúa. Nuestro diseño separado permite una fácil instalación y reemplazo, lo cual es crítico para minimizar el tiempo de inactividad durante el mantenimiento. Con el seguimiento de inventario en tiempo real de WMS, nuestros rodamientos F3-8m, F4-9 y F4-10 están listos para despacho inmediato, eliminando los retrasos de las cadenas de suministro tradicionales.

Diseñado para Cargas Verticales en Aplicaciones de Levantamiento Pesado

Estos rodamientos de bolas de empuje de una fila están diseñados para manejar cargas axiales en sistemas de ganchos de grúa, donde el soporte de peso vertical es primordial. El ángulo de contacto de 0° optimiza la distribución de la carga en condiciones de elevación estáticas y dinámicas, mientras que el diseño no alineante garantiza estabilidad en aplicaciones de posición fija. Construidos con acero de rodamiento de alta calidad, mantienen la integridad estructural incluso bajo las cargas de choque comunes en entornos de construcción y manejo de materiales.

Características técnicas que garantizan la seguridad operativa

Las opciones de clasificación de precisión (P0 a P2) permiten la personalización según los requisitos de la aplicación; las calificaciones P5 y P4 ofrecen tolerancias más estrictas para sistemas de elevación de alta precisión, mientras que P0 proporciona fiabilidad rentable para operaciones estándar. Las clases de vibración a

controlan el ruido y la resonancia, lo cual es crucial para la comodidad del operador y la longevidad del equipo. El diseño separado facilita la inspección y lubricación en el sitio, con soporte tanto para lubricación con grasa como con aceite para adaptarse a las diferentes temperaturas de operación y condiciones de carga.

Por qué la autenticidad es importante para los componentes de seguridad de grúas

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.

Por qué los operadores de grúas globales eligen nuestros rodamientos

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

    Embalaje de palets de cartón con revestimiento resistente a la humedad para proteger los rodamientos durante el transporte

    Artículos en stock despachados dentro de las 24 horas posteriores a la confirmación del pedido

    Opciones de logística global que incluyen DHL, FedEx, UPS, transporte aéreo y transporte marítimo

    Seguimiento en tiempo real proporcionado para todos los envíos

    Cantidad mínima de pedido de 1 unidad, apoyando tanto reparaciones de emergencia como adquisiciones al por mayor

Reciba sus rodamientos de gancho de grúa rápidamente

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.

Preguntas Frecuentes

Q: ¿Son estos rodamientos genuinos?

A: Sí, somos un distribuidor autorizado oficial de . Cada rodamiento viene con documentación de trazabilidad completa y certificados de autorización de marca para verificar la autenticidad.

Q: ¿Cómo confirmo el modelo de rodamiento correcto para el gancho de mi grúa?

A: Proporcione el modelo de su grúa, la capacidad del gancho y las dimensiones del rodamiento existentes. Nuestro equipo técnico verificará con las especificaciones de para asegurar un ajuste adecuado.

P: ¿Cuál es su política de garantía?

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: ¿Cuál es la cantidad mínima de pedido?

A: Aceptamos pedidos para 1 unidad, adecuada para reparaciones de emergencia, con descuentos por volumen disponibles para compras al por mayor.

Q: ¿Qué tan rápido pueden enviar a Asia Sudoriental?

A: Los rodamientos en stock se envían dentro de 24 horas, con tiempos de entrega promedio a Asia Sudeste de 3-5 días hábiles a través de mensajería exprés.

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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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