NSK Cylindrical Roller Bearing NJ420em NJ421em NJ422em
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SKF
Angular Contact Ball Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
NSK 6028zz 6030zz 6032zz Deep Groove Ball Bearing
Ensure smooth, reliable rotation in your machinery with this NSK Deep Groove Ball Bearing—designed to minimize friction and extend equipment lifespan even under continuous use. Perfect for applications requiring consistent performance, it handles radial loads with ease while supporting high-speed operations, so you can trust your setup to run without costly interruptions.
- Available in models 6028zz, 6030zz, and 6032zz with Zz, 2RS, or Open seals to suit your environment—whether you need dust protection or easy lubrication access
- Precision-engineered from high-quality bearing steel with P0-P2 precision ratings, ensuring tight tolerances and reduced vibration (Z1V1-Z3V3 options) for quieter, more stable operation
Technical Specifications
- Product Name
- NSK 6028zz 6030zz 6032zz Deep Groove Ball Bearing
- Category
- Angular Contact 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
Número de Linhas
Individual
Direção de Carga
Rolamento Radial
Material
Aço para rolamentos
Tipo de Vedações
Zz, 2RS, Aberto
Lubrificação
Graxas ou Óleo
Classificação de Precisão
P0, P6, P5, P4, P2
Vibração
, Especificação
Origem
China
Código HS
8482102000
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de automação
Sistemas de transporte, maquinário de precisão
Maquinário industrial
Bombas hidráulicas, motores elétricos
Automotivo
Cubos de roda, componentes de transmissão
Finding the right deep groove ball bearing can be frustrating. Mismatched dimensions lead to installation delays, while poor material quality causes premature wear and unexpected downtime. Sourcing from multiple suppliers for different brands only adds complexity to your procurement process. Projetado para oferecer desempenho consistente em aplicações exigentes
Our deep groove ball bearings address these challenges with ISO 9001-certified production processes and comprehensive quality checks. Available in models 6028zz, 6030zz, and 6032zz, they feature bearing steel construction and multiple seal options (Zz, 2RS, Open) to suit diverse operating conditions. With a full range of international and domestic brand coverage, we simplify your sourcing by offering one-stop access to the bearings you need. Desempenho Ótimo em Ambientes de Carga Radial
Designed as single-row radial bearings, these units excel in applications with primarily radial loads, such as electric motor shafts and conveyor rollers. The precision rating options (P0 to P2) ensure compatibility with both standard and high-precision machinery, while vibration classes (Z1V1 to Z3V3) allow selection based on noise and smoothness requirements. Proper lubrication with grease or oil further extends service life in temperatures typical of industrial environments. Principais características de engenharia que afetam a confiabilidade
The bearing steel material provides excellent hardness and wear resistance, critical for withstanding continuous operation under load. Seal types directly affect maintenance needs: Zz metal shields offer basic protection against contaminants, while 2RS rubber seals provide enhanced sealing for dusty or moist conditions. Precision ratings determine dimensional accuracy—P5 and above are ideal for high-speed applications where minimal runout is essential. The 3*10*4 mm specification (inner diameter x outer diameter x width) follows international standards, ensuring interchangeability with major brands. Por que a escolha do rolamento certo reduz o custo total
Investing in quality deep groove ball bearings minimizes long-term expenses. Inferior bearings with substandard material hardness often fail early, leading to production stoppages, replacement costs, and potential damage to adjacent components. Our bearings, tested for dimensional accuracy and surface hardness, deliver consistent performance that reduces unplanned maintenance. By selecting the appropriate seal type and precision class upfront, you optimize bearing life and lower total cost of ownership. Qualidade em que você pode confiar em cada remessa
Our production and inspection processes adhere to ISO 9001 standards, with rigorous testing of raw materials and finished products for size, hardness, and surface treatment. We stand behind our bearings with a warranty against manufacturing defects, ensuring you receive reliable components. With access to both our own BDL brand and international models like NSK, we can fulfill orders for specific brands or equivalent specifications. Our substantial inventory allows for quick turnaround, even for small batches. Embalagem padrão: Caixa de papelão e palete para um transporte seguro
Whether you need the exact NSK models or equivalent deep groove ball bearings, we can provide competitive pricing and availability. Simply share the required model, quantity, and delivery location, and our team will respond promptly with details to help you proceed with your order. Perguntas frequentes
Q: Can you supply bearings from other brands besides NSK? A: Yes, we offer a full range of international brands including SKF, NTN, Koyo, NACHI, IKO, FAG, Timken, as well as domestic Chinese brands and our own BDL brand. We can source specific brands or equivalent specifications as needed. P: Como posso verificar se este rolamento é compatível com o meu equipamento?
A: Provide your equipment model or the required dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the 6028zz, 6030zz, 6032zz series or recommend alternatives. P: Qual é a política de garantia para esses rolamentos?
R: Oferecemos garantia contra defeitos de fabricação. Os termos específicos estão detalhados em nosso contrato de venda, garantindo cobertura para problemas relacionados a materiais e mão de obra.
Q: Qual é a quantidade mínima de pedido?
A: We support low minimum order quantities, making it feasible for small-scale trials or urgent replacements, as well as large-volume orders. Q: Quanto tempo leva o envio?
A: For in-stock items, we dispatch within 1-3 business days. Shipping time depends on the method: express (3-7 days), air freight (5-10 days), or sea shipping (20-40 days). P: Vocês oferecem personalização OEM/ODM?
R: Sim, oferecemos serviços de OEM e ODM, incluindo dimensões, materiais e embalagens personalizadas, com base em seus desenhos técnicos ou especificações.
Ready to order or need a quote?
623, 624, 625, 626, 627, 628, 629
3*10*4 mm
Need Reliable NSK 6028zz, 6030zz, 6032zz Deep Groove Ball Bearings? Here’s What Matters
Packaging & Shipping
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[Contact Information]
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.
Product Inquiry Form
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SKF Authorized Engineering Partner
Need technical support or a custom solution?
15+ certified engineers ready to help. Response within 24 hours.