Deep Groove Ball Bearing
N304em NJ304em Cylindrical Roller Bearing China Supplier
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

N304em NJ304em Cylindrical Roller Bearing China Supplier

Ensure smooth machinery operation with the reliable N304em Cylindrical Roller Bearing, designed to minimize downtime and enhance performance in industrial applications. This high-quality bearing from China delivers consistent rotation with its precision engineering, supported by rich stocks for quick fulfillment—so you never have to wait to get your equipment back up and running.

  • Available with Z1V1 to Z3V3 vibration grades for tailored performance in sensitive systems
  • Flexible lubrication options (grease or oil) adapt to your specific operating conditions
  • 100% on-time delivery and 0.5-hour response ensure your production stays on schedule
  • OEM/ODM services available to meet custom requirements seamlessly

Technical Specifications
Product Name
N304em NJ304em Cylindrical Roller Bearing China Supplier
Category
Deep Groove Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Especificações do Produto

Parâmetro

Detalhes

Número do Modelo

Especificação

Estoque

Ações Ricas

Tecnologia de graxas

Alto

Lubrificação

Graxas ou Óleo

Vibração

,

,

Serviço

OEM, ODM

Entrega

por correio expresso, rodoviário, ferroviário, aéreo, marítimo

Amostra

Disponível

Taxa de entrega dentro do prazo

100,0%

Tempo de resposta

Menos de 0,5 h

Pacote de transporte

Caixa, Palete

Marca Registrada

BDL, ,

, NMB,
    ,
  • ,

Origem

China

Código HS

8482102000

Capacidade de produção

20.000.000 unidades/ano

W61905-2RS1, W61905-2Z, W6205
25*42*9mm

Adequação da Aplicação

Indústria

Aplicações Típicas

Equipamentos de automação

Sistemas de transporte, maquinário de precisão

Automotivo

Cubos de roda, componentes de transmissão

Máquinas Gerais

Motores elétricos, bombas, caixas de engrenagens

Need Reliable Cylindrical Roller Bearings? Avoid Common Procurement Pitfalls

Finding the right cylindrical roller bearing for your equipment can be challenging. Mismatched dimensions lead to installation delays, while substandard bearings cause premature wear and unexpected downtime. With countless models and brands in the market, sourcing the exact specification you need often means juggling multiple suppliers and long lead times.

Your One-Stop Solution for N304em NJ304em Cylindrical Roller Bearings

We address these challenges by offering a comprehensive range of cylindrical roller bearings, including the N304em and NJ304em models, with interchangeable dimensions following international standards. Our ISO 9001 certified production and inspection processes ensure consistent quality, while our rich stock availability means you get the bearings you need without unnecessary delays. Whether for industrial machinery, automotive applications, or precision equipment, we provide the right bearing for your specific operating conditions.

Desempenho ideal em condições exigentes

This cylindrical roller bearing excels in applications with high radial loads and moderate speeds, such as electric motors, gearboxes, and conveyor systems. Its design accommodates lubrication with either grease or oil, making it versatile for various operating environments. The vibration grades Z1V1 to Z3V3 allow selection based on precision requirements, ensuring smooth operation even in sensitive machinery.

Principais características de engenharia para maior durabilidade

The 25x42x9mm specification ensures proper fit in standard housing designs, with tight dimensional tolerances for reliable interchangeability. High-grade grease technology enhances lubrication retention, reducing friction and extending service life. The bearing’s vibration control capabilities minimize noise and energy loss, critical for precision equipment. Available with seals (2RS1) or shields (2Z), it offers protection against contaminants, making it suitable for both clean and moderately harsh environments.

Total Cost of Ownership Matters More Than Purchase Price

Choosing a quality cylindrical roller bearing reduces long-term costs significantly. Inferior bearings with poor material hardness or imprecise dimensions lead to frequent replacements, unplanned downtime, and potential damage to adjacent components. Our bearings undergo rigorous testing, including dimensional checks and surface hardness verification, ensuring they meet performance standards and reduce maintenance needs. By focusing on reliability, we help you avoid the hidden costs of equipment failure.

Qualidade em que você pode confiar

Our production facilities follow ISO 9001 standards, with strict原材料检验 and成品 testing for dimensions, hardness, and surface treatment. We provide a质保期 for manufacturing defects, ensuring peace of mind with every purchase. With access to both our own brand and international brands like NTN, NSK, and Timken, we can source or produce bearings to your exact specifications. Our 100% on-time delivery rate and less than 0.5-hour response time mean you get the support you need when you need it.

Packaging & Shipping

    Embalado em caixas e paletes para transporte seguro

  • Rich stock availability for immediate dispatch
  • Opções flexíveis de frete: expresso, rodoviário, ferroviário, aéreo ou marítimo

    Aceita pedidos com quantidade mínima baixa, ideal tanto para necessidades em pequena quanto em grande escala

Solicite hoje mesmo sua cotação de rolamentos de rolos cilíndricos

Whether you need the N304em, NJ304em, or any other cylindrical roller bearing model, provide us with your required specifications, quantity, and delivery location. Our team will promptly respond with pricing and lead time, ensuring you get the right bearings without delay.

Perguntas frequentes

P: Vocês oferecem suporte para a aquisição de outras marcas e modelos de rolamentos?

A: Yes, we offer comprehensive sourcing for all major brands and models, including both international and domestic options, tailored to your specific requirements.

P: Como posso verificar se este rolamento é compatível com o meu equipamento?

A: Provide your equipment’s bearing dimensions (d x D x B) or model number, and our technical team will verify compatibility with the N304em/NJ304em specifications.

P: Qual é a política de garantia para esses rolamentos?

A: We provide a warranty against manufacturing defects; specific terms are outlined in each order contract, ensuring coverage for material and workmanship issues.

Q: Qual é a quantidade mínima de pedido para este rolamento?

A: We support low minimum order quantities, allowing small-scale trials or urgent replacements, with competitive pricing for bulk orders.

Q: Com que rapidez vocês podem enviar os rolamentos após a confirmação do pedido?

A: With rich stock availability, we dispatch orders promptly; shipping time depends on your chosen method, with express options for urgent needs.

Q: Do you offer OEM or ODM customization for cylindrical roller bearings?

A: Yes, we provide OEM and ODM services, manufacturing bearings to your exact specifications, including custom dimensions, materials, and branding.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us now for prompt assistance.

Wind Power

Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.

Mining & Heavy Industry

Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.

Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: N304em NJ304em Cylindrical Roller Bearing China Supplier

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.