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<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> thumbnail 1
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Side View thumbnail 2
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Detail thumbnail 3
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Dimension thumbnail 4
NTN GENUINE
IN STOCK
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p>
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Side View
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Detail
<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <p> - Dimension
Model
NTN-588
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

<strong> Rolamento Axial de Esferas F3-8m F4-9 F4-10 para Gancho de Guindaste com Certificação <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

Especificações do Produto

Parâmetro

Detalhes

Modelo Nº

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

Lubrificação

Graxa ou Óleo

Classificação de Precisão

P0 P6 P5 P4 P2

Vibração

Certificação

:2008

Estoque

em estoque

Serviço

OEM ODM

Alinhando

Rolamento Não Alinhante

Separado

Separado

Número de Linhas

Único

Direção da Carga

Rolamento Axial

Material

Aço para Rolamentos

Ângulo de Contato

Embalagem de Transporte

Palete de Caixas

Especificação

180*300*95 mm

Origem

China

Código HS

8482102000

Z1V1 Z2V2 Z3V3

Indústrias de Aplicação

Indústria

Equipamento Típico

Ganchos de guindaste, Guindastes de torre, Guindastes móveis

Movimentação de Materiais

Talhas, Guinchos, Equipamentos de Elevação

Máquinas Industriais

Prensas, Máquinas de Forjamento, Caixas de Engrenagens para Serviço Pesado

Construction & Heavy Machinery

Pare o tempo de inatividade do guindaste com confiáveis Rolamentos Axiais de Esferas F3-8m F4-9 F4-10

Falhas em ganchos de guindaste devido a rolamentos de qualidade inferior custam aos operadores uma média de 47 horas de produção mensais, de acordo com relatórios de manutenção da indústria. Rolamentos do mercado cinza frequentemente carecem de classificações de carga adequadas, levando a desgaste prematuro e riscos de segurança. Canais de distribuição de múltiplas camadas normalmente estendem os prazos de entrega em 30-50%, deixando as equipes de manutenção esperando enquanto o equipamento fica ocioso.

Autênticos Rolamentos Axiais de Esferas para Ganchos de Guindaste – Em Estoque Agora

Como distribuidor oficial da , fornecemos rolamentos axiais de esferas

autênticos, especificamente projetados para aplicações em ganchos de guindaste. Nosso design separado permite fácil instalação e substituição, essencial para minimizar o tempo de inatividade durante a manutenção. Com o rastreamento de estoque em tempo real do WMS, nossos rolamentos F3-8m, F4-9 e F4-10 estão prontos para envio imediato, eliminando os atrasos das cadeias de suprimentos tradicionais.

Projetado para Cargas Verticais em Aplicações de Elevação Pesada

Estes rolamentos axiais de esferas de fileira única são projetados para suportar cargas axiais em sistemas de ganchos de guindaste, onde o suporte de peso vertical é fundamental. O ângulo de contato de 0° otimiza a distribuição de carga sob condições de elevação estáticas e dinâmicas, enquanto o design não autocompensador garante estabilidade em aplicações de posição fixa. Construídos em aço para rolamentos de alta qualidade, eles mantêm a integridade estrutural mesmo sob cargas de choque comuns em ambientes de construção e movimentação de materiais.

Características Técnicas Que Garantem a Segurança Operacional

As opções de classificação de precisão (P0 a P2) permitem personalização com base nos requisitos da aplicação – os graus P5 e P4 oferecem tolerâncias mais rigorosas para sistemas de elevação de alta precisão, enquanto o P0 oferece confiabilidade com boa relação custo-benefício para operações padrão. As classes de vibração a

controlam ruído e ressonância, cruciais para o conforto do operador e a longevidade do equipamento. O design separado facilita a inspeção e lubrificação no local, com suporte tanto para lubrificação a graxa quanto a óleo, para se adaptar a diferentes condições de temperatura operacional e carga.

Por que a Autenticidade Importa para Componentes de Segurança de Guindastes

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 que operadores de guindastes globais escolhem nossos Rolamentos

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

    Embalagem em palete de papelão com revestimento resistente à umidade para proteger rolamentos durante o transporte

    Itens em estoque despachados dentro de 24 horas após a confirmação do pedido

    Opções de logística global incluindo DHL, FedEx, UPS, frete aéreo e frete marítimo

    Rastreamento em tempo real fornecido para todas as remessas

    Quantidade mínima de pedido de 1 unidade, suportando tanto reparos de emergência quanto compras em grandes quantidades

Receba seus Rolamentos de Gancho de Guindaste Entregues Rapidamente

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.

Perguntas Frequentes

Q: Estes são rolamentos genuínos ?

R: Sim, somos um distribuidor autorizado oficial da . Cada rolamento vem com documentação completa de rastreabilidade e certificados de autorização da marca para verificar a autenticidade.

Q: Como confirmo o modelo correto do rolamento para o gancho do meu guindaste?

R: Forneça o modelo do seu guindaste, a capacidade do gancho e as dimensões atuais do rolamento. Nossa equipe técnica fará a verificação cruzada com as especificações para garantir o encaixe adequado.

P: Qual é a sua política de garantia?

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

P: Qual é a quantidade mínima do pedido?

A: Aceitamos pedidos para 1 unidade, adequado para reparos de emergência, com descontos por volume disponíveis para compras em grandes quantidades.

Com que rapidez vocês podem enviar para o Sudeste Asiático?

A: Rolamentos em estoque embarcam em até 24 horas, com prazos médios de entrega para o Sudeste Asiático de 3 a 5 dias úteis via transportadora expressa.

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