Timken 30317 30318 30319 High Quality Tapered Roller Bearing
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SKF
Cylindrical Roller Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
NSK HR30303-06DJ Roller Bearing for Automobile Rolling Mill
Ensure smooth, reliable operation for your automobile rolling mill with the NSK HR30303-06DJ Roller Bearing, designed to deliver consistent performance under heavy radial loads. Crafted from high-grade bearing steel, this single-row cylindrical roller bearing minimizes downtime by maintaining precision alignment—even in demanding industrial environments.
- Open seal design allows flexible lubrication with oil, grease, or dry systems, adapting to your specific maintenance needs
- Large outer dimension (200-430mm) and separated structure enable easy installation and replacement, reducing maintenance hassle
- Precision ratings from P0 to P2 ensure compatibility with high-precision machinery, meeting strict industry standards for reliability
Technical Specifications
- Product Name
- NSK HR30303-06DJ Roller Bearing for Automobile Rolling Mill
- Category
- Cylindrical Roller 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
Tipo de Rolamento
Rolamento de rolos cilíndricos
Número do Modelo
Dimensão Externa
Grande (200-430 mm)
Especificação
Material
Aço para rolamentos
Direção de Carga
Rolamento Radial
Esférico
Rolamentos não alinháveis
Estrutura
Cilíndrico
Tipo de Vedações
Abrir
Lubrificar
Óleo, Graxa, Seco
Classificação de Precisão
P0, P6, P5, P4, P2
Número da linha
Fileira Única
Separado
Separado
Marca Registrada
BDL Origem
China
Código HS
8482500090
Adequação da Aplicação
Indústria
Aplicações Típicas
Automóvel
Laminador
Maquinário industrial
Finding the right roller bearing for high-load applications like automobile rolling mills can be challenging. Mismatched dimensions lead to installation delays, while poor material quality results in premature wear and unexpected downtime. With countless models and brands available, sourcing the exact replacement often requires contacting multiple suppliers—wasting valuable time that could be spent on production. Projetado para desempenho em serviços pesados em ambientes exigentes
Our cylindrical roller bearings address these challenges with precision-engineered solutions designed for automobile rolling mills and other high-stress industrial applications. As a专业轴承供应商 with ISO 9001 certified production processes, we ensure each bearing meets strict quality standards. With access to a comprehensive range of models—including the NJ321, NJ326, NJ328, NJ338, and NJ340EM series—we can quickly match your requirements, whether you need standard sizes or specific configurations. This cylindrical roller bearing excels in applications where radial loads are the primary force, such as rolling mill roller shafts and automobile transmission systems. The single-row design with a separated structure allows for easy mounting and dismounting, simplifying maintenance. Operating efficiently with oil, grease, or dry lubrication, it accommodates large outer dimensions (200-430mm) and maintains stability even under heavy loads, making it a reliable choice for continuous-duty machinery. Principais Características de Engenharia que Garantem Longevidade
The bearing steel construction provides exceptional hardness and wear resistance, critical for withstanding the abrasive conditions of rolling mills. Precision ratings from P0 to P2 allow for customization based on application requirements—higher precision grades (P4, P2) reduce vibration in high-speed operations, while standard grades (P0, P6) offer cost-effective solutions for general use. The open seal design facilitates lubrication replenishment, ensuring consistent performance over time, while the cylindrical structure ensures uniform load distribution across the rollers, minimizing stress concentrations. Por que a escolha do rolamento certo reduz o custo total
Selecting a high-quality cylindrical roller bearing directly impacts your equipment’s total cost of ownership. Inferior bearings with substandard materials or imprecise dimensions often fail prematurely, leading to unplanned shutdowns, replacement costs, and lost productivity. Our bearings, manufactured to strict tolerances (105×225×49 mm specification), ensure proper fit and alignment, reducing wear on adjacent components. By investing in a reliable bearing, you minimize maintenance frequency and extend equipment lifespan, ultimately lowering long-term operational expenses. Garantia de Qualidade em Que Você Pode Confiar
We stand behind our products with a comprehensive quality assurance process. Each bearing undergoes rigorous testing, including原材料 inspection, dimensional accuracy checks, and hardness testing, to ensure compliance with industry standards. Our ISO 9001 certified production and检验流程 guarantee consistent quality, while our warranty covers manufacturing defects for added peace of mind. Whether you need bearings under our BDL trademark or specific international brands, our extensive supply chain allows us to source and deliver the right product when you need it. Embalado em caixas de papelão e paletes para um transporte seguro
Disponível em estoque para entrega imediata
Opções flexíveis de envio, incluindo entrega expressa, transporte aéreo e transporte marítimo
Ready to secure the right cylindrical roller bearing for your automobile rolling mill or industrial application? Provide us with the model number, dimensions, and quantity, and our team will promptly deliver a competitive quote. With our extensive inventory and global sourcing capabilities, we can fulfill orders of any size, ensuring you get the bearings you need without unnecessary delays. Perguntas frequentes
P: Vocês fornecem rolamentos de outras marcas além da BDL?
A: Yes, we offer a full range of轴承 from international brands such as NSK, SKF, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic优质品牌. We can source and supply bearings according to your specific brand or model 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 the original model number, and our technical team will verify compatibility with the NJ series cylindrical roller bearings. P: Qual é a política de garantia para esses rolamentos?
A: We provide a质保期 for all bearings, covering manufacturing defects. Specific terms and duration are detailed in the purchase contract, and defective products can be replaced or refunded as per agreement. Q: Qual é a quantidade mínima de pedido para este rolamento?
A: We offer low minimum order quantities to accommodate both small-scale maintenance needs and large production runs. Contact us for details based on your specific requirements. Q: Quanto tempo leva o envio e quais métodos estão disponíveis?
A: For in-stock items, we ship within 1-3 business days. Shipping methods include快递 for urgent orders, 空运 for international deliveries, and 海运 for large bulk shipments, with transit times varying by destination. P: Vocês oferecem serviços de OEM ou ODM para rolamentos personalizados?
A: Yes, we support OEM and ODM定制 according to your specific drawings, specifications, or performance requirements. Our engineering team can assist in developing tailored solutions for unique applications. Ready to order or need a quote?
NJ321, NJ326, NJ328, NJ338, NJ340EM
105×225×49 mm
Transmission systems, drivetrain components
Roller assemblies, steel processing equipment
Heavy-duty gearboxes, power transmission units
Need Reliable Cylindrical Roller Bearings for Automobile Rolling Mills? Here’s What to Check
Optimal Performance in High-Radial Load Conditions
Packaging & Shipping
Get a Quote for Your NJ Series Cylindrical Roller Bearing Needs
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
[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.
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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.