Deep Groove Ball Bearing
Needle Roller Bearing RNAV4914-4920 High Precision
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

Needle Roller Bearing RNAV4914-4920 High Precision

Ensure smooth, high-precision machinery operation with the RNAV4914-4920 Bearing, designed to deliver reliable performance even under demanding conditions. This needle roller bearing minimizes vibration (Z1V1 to Z3V3 ratings) for quieter operation and extended equipment lifespan, addressing common concerns about wear and maintenance downtime.

  • Available with grease or oil lubrication to suit your specific application needs
  • Rich stock availability ensures 100.0% on-time delivery, so you can keep production running without delays
  • Sample available for testing, backed by a responsive team (less than 0.5h response time) for personalized support

Technical Specifications
Product Name
Needle Roller Bearing RNAV4914-4920 High Precision
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

N.º do modelo

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

Palete de papelão

Marca Registrada

BDL//

/NMB/
    /
  • /

Origem

China

Código HS

8482102000

Capacidade de produção

20.000.000 unidades/ano

WBB1-8708-2RS1 WBB1-8706-2Z
W635-2RS1 W635-2z
6*12*4mm
Z1V1 Z2V2 Z3V3

Adequação da Aplicação

Indústria

Aplicações Típicas

Equipamentos de automação

Sistemas de transporte, guias lineares de precisão

Engenharia Mecânica

Cilindros hidráulicos, caixas de engrenagens

Maquinário industrial

Bombas, compressores, máquinas têxteis

Needle Roller Bearing RNAV4914-4920: Solving Precision & Sourcing Challenges

Finding the right needle roller bearing for your machinery can feel like navigating a maze of incompatible dimensions and questionable quality. Many buyers face costly delays when specifications don’t match, or deal with premature failures from bearings that lack proper hardness and precision. Sourcing from multiple suppliers just to compare brands and lead times only adds to the frustration.

Engineered for Reliable Performance in Critical Applications

The RNAV4914-4920 high precision needle roller bearing addresses these challenges with its interchangeable dimensions and strict manufacturing standards. Backed by ISO 9001 certified production processes and rich stocks, we ensure you get the right bearing when you need it—whether for automation equipment, hydraulic systems, or industrial machinery. Our ability to source across leading brands like NTN, NSK, and Koyo means you can consolidate your采购 through a single, trusted partner.

Desempenho Ótimo em Condições Operacionais Exigentes

This needle roller bearing excels in applications with limited radial space, where high load capacity and precision are non-negotiable. Its design handles both radial loads and moderate axial forces, making it suitable for rotating components in conveyor systems and gearboxes. With vibration grades Z1V1 to Z3V3, it maintains stability even in high-speed operations, reducing noise and extending equipment lifespan.

Key Engineering Features That Deliver Value

The 6*12*4mm specification ensures precise fitting into compact assemblies, critical for maintaining alignment in precision machinery. High-grade grease technology enhances lubrication retention, while compatibility with both grease and oil allows adaptation to diverse operating environments. Surface hardness and dimensional accuracy are rigorously tested, ensuring resistance to wear and consistent performance. The bearing’s vibration control capabilities minimize energy loss and prevent damage to adjacent components, a crucial factor in high-reliability systems.

Por que os rolamentos de precisão reduzem o custo total de propriedade

Choosing the RNAV4914-4920 means investing in long-term reliability rather than short-term savings. Inferior bearings often fail early due to material inconsistencies, leading to unplanned downtime, maintenance labor costs, and potential damage to expensive equipment. This high precision needle roller bearing, with its严格的 quality control and testing, reduces these risks. By meeting international dimensional standards, it also simplifies replacement and reduces inventory costs, contributing to a lower total cost of ownership over time.

Garantia de Qualidade em Que Você Pode Confiar

Our production and inspection processes adhere to ISO 9001 standards, with thorough checks on raw materials and finished products for dimensions, hardness, and surface treatment. We stand behind the quality of our bearings with a warranty against manufacturing defects, ensuring peace of mind for your operations. With a 100% on-time delivery rate and response time under 0.5 hours, we provide the reliability and support your business needs to stay productive.

Packaging & Shipping

    Embalado em caixas de papelão e paletes para um transporte seguro

    Grande estoque disponível para envio imediato

    Opções flexíveis de frete: expresso, rodoviário, ferroviário, aéreo ou marítimo

  • Low minimum order quantity supported, ideal for both small and large scale采购

Get Your RNAV4914-4920 Needle Roller Bearing Quote Today

Whether you need the RNAV4914-4920 or other bearing models, we’re here to help. Provide your required model, quantity, and destination, and our team will quickly respond with pricing and availability. With our extensive inventory and multi-brand sourcing capabilities, we make it easy to get the bearings you need without the hassle of multiple suppliers.

Perguntas frequentes

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

A: Yes, we offer sourcing for a wide range of bearing brands and models, including both international and domestic options, to meet 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 RNAV4914-4920 specifications.

Q: Qual é a sua política de garantia para rolamentos?

A: We provide a warranty against manufacturing defects. Specific terms and duration are outlined in each sales contract to ensure clarity.

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

A: We support low minimum order quantities, making it suitable for small-scale trials or large-volume production needs.

Q: How quickly can you ship the RNAV4914-4920 bearing?

A: With rich stocks available, we can arrange shipment immediately. Delivery time depends on the chosen shipping method and destination.

Q: Você oferece serviços OEM ou ODM para rolamentos?

A: Yes, we provide OEM and ODM services, allowing customization of bearings according to your specific design requirements and technical specifications.

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 via email or phone for immediate assistance.

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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: Needle Roller Bearing RNAV4914-4920 High Precision

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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.