SKF Thrust Ball Bearing 51124 51126 51128 High-Quality
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SKF
Deep Groove Ball Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
NSK 6900-6907DDU Deep Groove Ball Bearing High Quality
Experience smooth, reliable performance in your machinery with the NSK Deep Groove Bearing, designed to minimize friction and extend equipment lifespan. This high-quality 6900-6907DDU model maintains consistent operation even under radial loads, thanks to its single-row design and 0° contact angle—key features professionals trust for precision applications.
- Grease or oil lubrication options let you tailor maintenance to your specific working conditions
- Available precision ratings (P0-P4) ensure a perfect fit for everything from general use to high-precision systems
- Unseparated construction and bearing steel material deliver durability you can count on, reducing unexpected downtime
Technical Specifications
- Product Name
- NSK 6900-6907DDU Deep Groove Ball Bearing High Quality
- 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
Tipo de Rolamento
Rolamento de esferas de ranhura profunda
Especificação
20*47*14 mm
Material
Aço para rolamentos
Lubrificação
Graxas ou Óleo
Classificação de Precisão
P0 P6 P5 P4
Vibração
Direção de Carga
Rolamento Radial
Ângulo de contato
0°
Alinhando
Rolamento Não Alinhado
Separado
Não separado
Número de Linhas
Individual
Pacote de transporte
Palete de papelão
Origem
China
Código HS
8482102000
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de automação
Engenharia Mecânica
Maquinário industrial
Searching for the right deep groove ball bearing often means sifting through countless models with varying dimensions and quality standards. Many buyers face delays when their supplier can’t source specific NSK-compatible sizes, or end up with bearings that fail prematurely due to poor material quality. The 6404 model, with its 20x47x14 mm dimensions, is a critical component in many industrial applications—getting the right specifications matters for both performance and uptime. Projetado para oferecer desempenho consistente em ambientes exigentes
This deep groove ball bearing addresses common industry challenges through its robust design and versatile specifications. Manufactured with high-grade bearing steel and available in precision ratings from P0 to P4, it meets the needs of applications requiring tight tolerances. Whether your equipment uses grease or oil lubrication, this bearing accommodates both, reducing the need for multiple part numbers. With a radial load design and single-row configuration, it’s ideal for standard industrial machinery where reliable rotation is essential. Desempenho ideal em aplicações com carga radial
Designed for radial load environments, this bearing operates efficiently in scenarios with minimal axial forces. Its 0° contact angle ensures optimal load distribution, making it suitable for high-speed applications like electric motor shafts and conveyor rollers. The non-aligning design works best in systems with precise shaft alignment, while the unseparated structure simplifies installation and maintenance. Vibration classes Z1V1 to Z3V3 allow selection based on noise and smoothness requirements, from general industrial use to more sensitive equipment. Principais características de engenharia que influenciam a durabilidade
The bearing steel construction provides the hardness needed to resist wear under continuous operation, a critical factor in extending service life compared to lower-grade materials. Precision ratings directly affect performance—P5 and P4 grades offer tighter dimensional control for applications where runout must be minimized, such as machine tool spindles. The choice between Z1V1 to Z3V3 vibration levels lets you match the bearing to your equipment’s noise specifications, preventing premature failure from excessive vibration. Proper lubrication (grease or oil) further enhances durability by reducing friction between rolling elements and raceways. Por que a escolha do rolamento certo reduz os custos operacionais totais
Selecting a bearing with the correct precision rating and material quality directly impacts total cost of ownership. A P0 grade may suffice for general use, while P5/P4 is worth the investment for high-precision machinery to avoid costly downtime. Using bearing steel ensures resistance to deformation under load, reducing the risk of sudden failures that damage adjacent components. The ability to choose lubrication type allows adaptation to operating conditions—oil for high-temperature environments or grease for extended maintenance intervals. Overlooking these factors often leads to frequent replacements and unplanned production stops, far exceeding the initial cost of a properly specified bearing. Garantia de qualidade que você pode verificar
Our production and inspection processes follow ISO 9001 standards, ensuring consistent quality from raw material testing to final dimensional checks. Each bearing undergoes hardness testing and surface treatment inspection to meet industry specifications. We provide a warranty against manufacturing defects, with clear terms for replacement or return. Our supply chain includes both自有 brand and international brand options, allowing you to source the exact model or compatible alternatives. With substantial inventory, we support quick turnaround for urgent orders, minimizing production delays. Embalagem padrão: Caixa de papelão com palete para pedidos em grandes quantidades
Disponibilidade em estoque para envio imediato
Opções de envio flexíveis: courier expresso, frete aéreo ou frete marítimo
Whether you need the 6404 model or other sizes in the 6900-6907DDU series, we can provide pricing and availability quickly. Share your required specifications, quantity, and delivery location, and our team will prepare a tailored quote. We handle both standard orders and custom requirements, ensuring you get the right bearing for your application without unnecessary delays. Perguntas frequentes
P: Você fornece rolamentos de outras marcas além das listadas?
A: Yes, we support procurement of bearings from all major international and domestic brands. Specify your required brand and model, and we can source it for you. Q: How can I confirm if the 6404 bearing fits my equipment? A: Provide your equipment’s shaft diameter, housing bore size, and required width, and our technical team will verify compatibility with the 20x47x14 mm dimensions. P: Qual é a política de garantia para este rolamento?
A: We offer a warranty against manufacturing defects. Specific terms, including duration, are outlined in each order’s contract. Q: What is the minimum order quantity for the 6404 bearing? A: We accept low minimum order quantities, including small-batch purchases for testing or maintenance needs. P: Quanto tempo leva para o envio de rolamentos em estoque?
A: In-stock bearings ship within 1-3 business days. Delivery time depends on your location and chosen shipping method. Q: Can you produce custom bearings to specific dimensions? A: Yes, we support OEM/ODM customization. Provide your technical drawings or specifications, and we can manufacture bearings to your requirements. Ready to order or need a quote?
6404
Z1V1 Z2V2 Z3V3
Conveyor systems, electric motors
Transmission assemblies, pumps
Compressors, gearboxes
Need a Reliable NSK 6900-6907DDU Deep Groove Ball Bearing? Avoid These Common Pitfalls
Packaging & Shipping
Get Your NSK 6900-6907DDU Bearing Quote Today
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
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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
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-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.
-- 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.
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SKF Authorized Engineering Partner
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