-- SKF Authorized Engineering Partner
Keep your machinery running smoothly with reliable Timken Cylindrical Roller Bearings designed for consistent performance under radial loads. These NJ309em, NJ310em, and NJ311em models deliver the durability you need, whether lubricated with grease or oil, to minimize downtime and extend equipment life.
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
Vibração
Serviço
OEM ODM
Alinhando
Rolamento Não Alinhado
Separado
Não separado
Número de Linhas
Individual
Direção de Carga
Rolamento Radial
Material
Aço para rolamentos
Ângulo de contato
0°
Especificação
20*47*14 mm
Origem
China
Código HS
8482102000
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de automação
Sistemas de transporte, guias de movimento linear
Engenharia Mecânica
Eixos e caixas de engrenagens para máquinas-ferramentas
Maquinário industrial
Bombas hidráulicas, motores elétricos
Encontrar o rolamento de rolos cilíndricos certo para o seu equipamento pode ser um desafio. Dimensões incompatíveis causam atrasos na instalação, enquanto rolamentos de baixa qualidade costumam apresentar falhas prematuras, resultando em paradas de produção onerosas. Recorrer a vários fornecedores para marcas diferentes só aumenta a complexidade do seu processo de aquisição.
Projetado para oferecer desempenho consistente em aplicações exigentes
The Timken NJ309em, NJ310em, and NJ311em cylindrical roller bearings address these challenges with precision-engineered design. As a professional bearing supplier with ISO 9001 certified processes, we ensure each bearing meets strict quality standards. Our extensive inventory covers both自有 brands and international models, allowing you to source all required bearings from a single trusted partner. Desempenho ideal em aplicações com carga radial
These single-row cylindrical roller bearings are specifically designed for radial load applications, making them ideal for high-speed rotating machinery. With a contact angle of 0°, they excel in scenarios where axial movement is minimal but radial force is significant. The non-aligning design ensures stable operation in equipment with precise shaft alignment, such as electric motors and gearboxes. Principais características de engenharia para maior durabilidade
The bearing steel construction provides excellent durability and wear resistance, critical for extending service life in industrial environments. Precision ratings from P0 to P4 allow customization based on application requirements—higher precision grades (P4) suit machine tools, while standard grades (P0) work well in general industrial settings. Vibration classes Z1V1 to Z3V3 further refine performance, with Z3V3 offering the lowest vibration levels for noise-sensitive applications. The unseparated design simplifies installation and maintenance, reducing assembly time. Custo Total de Propriedade: Por que a Qualidade Importa
Choosing the right cylindrical roller bearing directly impacts your equipment’s total cost of ownership. Inferior bearings with substandard material hardness or imprecise dimensions lead to early wear, increased vibration, and potential equipment damage. Our bearings undergo rigorous testing, including dimensional checks and surface hardness verification, ensuring they meet performance expectations. This attention to quality reduces replacement frequency and maintenance costs, delivering better long-term value than cheaper alternatives. Qualidade em que você pode confiar
Our manufacturing and inspection processes comply with ISO 9001 standards, from raw material testing to final product verification. Each bearing undergoes dimensional accuracy, hardness, and surface treatment checks to ensure consistent quality. We provide a warranty period covering manufacturing defects, with clear terms for returns and replacements. Our comprehensive supply chain includes both standard and custom options, supporting OEM/ODM requirements to match your exact specifications. Embalado em caixas com opções de paletes para pedidos em grande quantidade
Disponível em estoque para entrega imediata
Opções flexíveis de envio por correio expresso, transporte aéreo ou marítimo
Quantidade mínima de pedido baixa suportada para requisitos de pequena escala
Solicite hoje mesmo sua cotação de rolamentos de rolos cilíndricos
Whether you need Timken NJ309em, NJ310em, NJ311em, or other cylindrical roller bearing models, we can assist. Provide your required model, dimensions, and quantity, and our team will quickly respond with pricing and availability. With our extensive brand coverage, you can consolidate your bearing采购 through a single supplier. Perguntas frequentes
P: Vocês fornecem rolamentos de outras marcas além das mencionadas?
A: Yes, we support inquiries for all bearing brands and models, providing supply according to your specified brand or technical requirements. P: Como posso verificar se este rolamento é compatível com o meu equipamento?
A: Provide your equipment’s required bearing dimensions (bore, outer diameter, width) or existing model number, and our technical team will verify compatibility. P: Qual é a política de garantia para esses rolamentos?
A: We offer a warranty period covering manufacturing defects. Specific terms are detailed in the sales contract, with options for returns or replacements as applicable. Q: Qual é a quantidade mínima de pedido para este rolamento?
A: We accept low minimum order quantities, including small batch orders suitable for testing or maintenance needs. Q: Quanto tempo leva o envio e quais métodos estão disponíveis?
A: In-stock bearings ship immediately. Shipping methods include express (3-5 days), air freight (7-10 days), or sea freight (varied by destination), with options tailored to your timeline. P: Vocês podem fabricar rolamentos personalizados de acordo com projetos específicos?
A: Yes, we support OEM/ODM customization based on your drawings, specifications, or sample requirements. Ready to order or need a quote?
6805
Z1V1 Z2V2 Z3V3
Struggling with Cylindrical Roller Bearing Selection? Timken NJ309em Series Delivers Reliability
Packaging & Shipping
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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Main shaft, gearbox, and generator bearings for onshore and offshore wind turbines. Engineered for 20+ year service life.
Crushers, conveyors, and processing equipment bearings designed to withstand shock loads and contaminated environments.
Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.
Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.
Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.
Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.
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: Timken NJ309em NJ310em NJ311em Cylindrical Roller Bearing
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