-- SKF Authorized Engineering Partner
Ensure smooth, reliable performance in your machinery with our high-quality Deep Groove Ball Bearing, designed to minimize friction and extend equipment lifespan. Crafted from durable Bearing Steel and available in precision ratings P0 to P2, this single-row bearing handles radial loads with ease, making it ideal for applications where consistent operation is non-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 rolos cilíndricos
Dimensão Externa
35 mm-400 mm
Especificação
Material
Aço para rolamentos
Esférico
Rolamentos não alinháveis
Direção de Carga
Rolamento Radial
Separado
Separado
Estrutura
Cilíndrico
Tipo de Vedações
Abrir
Lubrificar
Óleo, graxa, seco
Classificação de Precisão
P0 P6 P5 P4 P2
Número da linha
Fileira Única
Marca Registrada
BDL Origem
China
Código HS
8482500090
Adequação da Aplicação
Indústria
Aplicações Típicas
máquinas de engenharia
Pontos de pivô de cilindro hidráulico, sistemas de transporte
metalurgia do aço
equipamentos de automação
Mesas rotativas de precisão, sistemas de movimento linear
máquinas de mineração
Finding the right cylindrical roller bearing for your machinery can be a hassle—whether it’s matching dimensions across different standards or ensuring the bearing can handle your application’s radial loads without early failure. Many buyers face costly downtime due to misaligned specifications or low-quality bearings that wear prematurely. With the Nj309m cylindrical roller bearing, we address these common pain points through precise engineering and industry expertise. Projetado para oferecer desempenho consistente em ambientes exigentes
Designed as a radial bearing with a separated structure, the Nj309m cylindrical roller bearing excels in applications requiring high radial load capacity. Its single-row design and open seal type make it suitable for environments where lubrication access is straightforward, while the bearing steel construction ensures durability under heavy loads. As a professional supplier with ISO 9001-certified production processes, we ensure each unit meets strict quality standards, from raw material inspection to final dimension testing. Desempenho ideal em aplicações com carga radial
This cylindrical roller bearing is specifically engineered to handle radial loads, making it ideal for rotating machinery in industries like steel冶金 and矿山. With a precision rating range from P0 to P2, it accommodates applications requiring varying levels of rotational accuracy, from general-purpose machinery to precision automation systems. The 45*100*25mm specification fits common industrial shaft sizes, ensuring compatibility with existing equipment setups. Principais características de engenharia que influenciam a durabilidade
The Nj309m’s separated structure allows for easy mounting and dismounting, simplifying maintenance procedures. Its cylindrical roller design distributes radial loads evenly across the raceway, reducing stress concentrations and extending service life. The bearing steel material undergoes heat treatment to achieve optimal hardness, balancing wear resistance with toughness to prevent brinelling under shock loads. Available lubrication options—oil, grease, or dry—provide flexibility to match specific operating conditions, from high-speed machinery to low-maintenance applications. Por que a escolha do rolamento de rolos cilíndricos certo reduz o custo total
Selecting a precision cylindrical roller bearing like the Nj309m reduces long-term costs by minimizing downtime and replacement frequency. Inferior bearings often fail prematurely due to material inconsistencies or imprecise manufacturing, leading to unplanned maintenance and production losses. This bearing’s compliance with international standards ensures interchangeability with major品牌型号 systems, eliminating the need for costly equipment modifications. By focusing on quality and precision, we help customers avoid the hidden costs of frequent replacements and operational disruptions. Garantia de Qualidade em Que Você Pode Confiar
Our Nj309m cylindrical roller bearings are produced under ISO 9001-certified processes, with rigorous testing at every stage—from raw material verification to成品尺寸, hardness, and surface treatment checks. We stand behind our products with a warranty covering manufacturing defects, providing peace of mind for your critical applications. With access to a wide range of international and domestic brands, we can source or produce bearings to your exact specifications, ensuring compatibility and performance. Embalagem padrão: Caixa de papelão e palete para um transporte seguro
Whether you need the Nj309m or another cylindrical roller bearing model, we can provide competitive pricing and reliable delivery. Share your requirements—including quantity, application details, and any specific品牌 preferences—and our team will prepare a tailored quote. The sooner you confirm your order, the faster we can arrange shipment to keep your operations running smoothly. Perguntas frequentes
P: Vocês fornecem rolamentos de outras marcas ou apenas da BDL? A: We support inquiries for all bearing brands and models, including international主流品牌 and domestic优质品牌. We can source or produce according to your specified brand and standards. Q: How can I confirm if the Nj309m fits my equipment? A: Provide your equipment’s shaft diameter, housing bore, and required load capacity. Our technical team will cross-verify the Nj309m’s specifications (45*100*25mm) to ensure compatibility. P: Qual é a política de garantia para este rolamento?
A: We offer a warranty against manufacturing defects. The specific duration and terms are outlined in our sales contract, ensuring coverage for material and workmanship issues. Q: What is the minimum order quantity for the Nj309m? R: Aceitamos quantidades mínimas de pedido, incluindo pequenos lotes para testes ou manutenção, bem como pedidos de grande volume para produção.
Q: Quanto tempo leva o envio e quais métodos estão disponíveis?
A: In-stock bearings ship immediately. Delivery time depends on your location—we offer快递 for urgent orders,空运 for international shipments, and海运 for cost-effective large quantities. Q: Can you produce custom cylindrical roller bearings to specific dimensions? A: Yes, we support OEM/ODM customization. Provide your technical drawings or specifications, and we can manufacture bearings tailored to your requirements. Ready to order or need a quote?
Nj309m
45*100*25mm
Rolling mill machinery, material handling equipment
Crusher components, conveyor rollers
Struggling with Cylindrical Roller Bearing Selection? The Nj309m Delivers Reliability
Packaging & Shipping
Get a Quote for the Nj309m Cylindrical Roller Bearing
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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Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
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.
Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
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.
-- Get In Touch
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.
Regarding: Bdl 6211-6217 Deep Groove Ball Bearing High Quality
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