Thrust Ball Bearing
639/6 Deep Groove Ball Bearing 639/6-Z 639/6-2z Discount
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

639/6 Deep Groove Ball Bearing 639/6-Z 639/6-2z Discount

Keep your machinery running smoothly with the reliable 639/6 Deep Groove Ball Bearing, designed to minimize downtime and maintain consistent performance in high-precision applications. Available in 639/6-Z and 639/6-2Z variants, this bearing ensures reduced friction and extended service life whether lubricated with grease or oil.

  • Precision ratings from P0 to P2 meet strict industrial standards, while Z1V1 to Z3V3 vibration levels guarantee quiet operation
  • 17*30*9 mm specification fits seamlessly into compact assemblies, backed by ISO9001:2008 certification for quality you can trust
  • In-stock availability means fast shipping, so you can get back to work without unnecessary delays

Technical Specifications
Product Name
639/6 Deep Groove Ball Bearing 639/6-Z 639/6-2z Discount
Category
Thrust Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable
Request a Quote WhatsApp Inquiry

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

Lubrificação

Graxas ou Óleo

Classificação de Precisão

P0, P6, P5, P4, P2

Vibração

,

,

Certificação

    :2008

Estoque

Em estoque

Serviço

OEM, ODM

Alinhando

Rolamento Não Alinhado

Separado

Separado

Número de Linhas

Individual

Direção de Carga

Rolamento axial

Material

Aço para rolamentos

Pacote de transporte

Palete de papelão

Especificação

Marca Registrada

Origem

Japão

Código HS

8482102000

51103, 51208
17*30*9 mm
NSK

Adequação da Aplicação

Indústria

Aplicações Típicas

Equipamentos de automação

Máquinas-ferramentas

Maquinário industrial

Linear actuators, hydraulic cylinder end supports
Spindle assemblies, vertical turret lathes
Presses, injection molding machines, gearboxes

Need Reliable 639/6 Deep Groove Ball Bearings? Avoid Common Selection Mistakes

Finding the right bearing for your equipment often means sifting through countless models and brands, only to face delays from suppliers with limited stock. Many buyers end up with mismatched dimensions or subpar materials that cause premature wear, leading to unexpected downtime and repair costs. When precision and availability matter, a trusted supplier with a comprehensive inventory can make all the difference.

Projetado para oferecer desempenho consistente em aplicações críticas

The 639/6 deep groove ball bearing series—including 639/6-Z and 639/6-2Z variants—addresses these challenges with reliable design and ready availability. As a supplier with ISO 9001:2008 certified processes, we ensure each bearing meets strict quality standards, from raw material inspection to final dimensional checks. Whether you need standard sealed versions or custom configurations, our in-stock inventory supports quick turnaround for industries ranging from automation to industrial machinery.

Optimal Performance in Radial and Light Thrust Load Scenarios

Designed for single-row radial applications, this deep groove ball bearing excels in environments with moderate speeds and combined radial and axial loads. Its non-aligning design requires precise shaft alignment, making it ideal for compact assemblies where space is limited. The 17x30x9 mm规格 ensures compatibility with standard equipment, while options for grease or oil lubrication allow adaptability to operating temperatures and contamination levels.

Principais características de engenharia que influenciam a durabilidade

The bearing’s bearing steel construction provides high surface hardness and wear resistance, critical for withstanding cyclic loading in machinery. Precision ratings from P0 to P2 allow selection based on application requirements—P5 or higher for machine tools requiring minimal runout, and P0 for general industrial use. Vibration classes Z1V1 to Z3V3 further tailor performance: Z3V3 variants reduce noise and vibration in precision equipment, while Z1V1 offers a cost-effective solution for less demanding applications. Sealed versions (639/6-Z, 639/6-2Z) extend maintenance intervals by preventing lubricant loss and contaminant ingress.

Por que a escolha do rolamento certo reduz o custo total

Selecting a bearing based solely on upfront cost often leads to higher long-term expenses. A bearing with insufficient precision or material quality may fail early, causing production halts and damage to adjacent components. Our 639/6 series, built to international standards, minimizes these risks through rigorous testing, including hardness checks and dimensional verification. By matching the bearing’s specifications—such as precision class and lubrication type—to your application, you reduce unplanned downtime and extend equipment life, ultimately lowering total ownership costs.

Qualidade que Você Pode Verificar Através de Processos Transparentes

Our commitment to trustworthiness starts with ISO 9001:2008 certified production and inspection protocols. Each bearing undergoes dimensional testing to ensure compliance with stated specifications, and material certificates are available upon request. We stand behind our products with a warranty against manufacturing defects, and our ability to source from leading brands like NSK ensures consistent quality. For customized needs, OEM/ODM services allow adaptation to unique application requirements, backed by the same strict quality controls.

Packaging & Shipping

  • Standard packaging: Carton with pallet for bulk orders, ensuring secure transport
  • Stock availability: In-stock items ship within 1-2 business days
  • Logistics options: Flexible shipping via express courier, air freight, or sea freight

    • Quantidade mínima de pedido: MOQ baixo suportado, ideal tanto para pequenos reparos quanto para produção em grande escala

Get a Quote for Your 639/6 Bearing Requirements

Whether you need the standard 639/6, sealed 639/6-Z, or double-sealed 639/6-2Z variant, we can provide pricing and availability within hours. Share your required model, quantity, and delivery location, and our team will confirm stock and lead time. For cross-referencing or替代型号 recommendations, include your equipment details, and we’ll assist in ensuring compatibility.

Perguntas frequentes

P: Você pode fornecer outras marcas ou modelos de rolamentos além dos listados?

A: Yes, we support procurement of all major international and domestic brands, including SKF, NTN, Koyo, and FAG, as well as custom models to your specifications.

Q: How do I confirm if the 639/6 bearing fits my equipment?

A: Provide your equipment’s bearing dimensions (inner diameter x outer diameter x width) or original part number, and our technical team will verify compatibility with the 639/6 series.

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

A: We offer a warranty against manufacturing defects; specific terms are detailed in each order’s contract. Defective products may be returned or replaced at our discretion.

Q: What is the minimum order quantity for the 639/6 bearing?

A: We accept low minimum orders, including single units for emergency repairs, with volume discounts available for larger quantities.

Q: Com que rapidez vocês podem enviar os rolamentos em estoque?

A: In-stock items are typically shipped within 1-2 business days via your preferred logistics method (courier, air, or sea).

Q: Do you offer OEM/ODM services for custom bearing requirements?

A: Yes, we provide OEM/ODM services, including custom dimensions, materials, and packaging, tailored to your application needs.

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

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: 639/6 Deep Groove Ball Bearing 639/6-Z 639/6-2z Discount

Response within 24 hours · Free engineering consultation · No obligation

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

-- Related Products

More Thrust Ball Bearing Products

SKF Authorized Engineering Partner

Need technical support or a custom solution?

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

Request a Quote WhatsApp Us