Cylindrical Roller Bearing
Rolamentos de rolos cônicos da China 30202, 30303, 32204, 32304, 32004X: alta qualidade e preço baixo para motores
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

Rolamentos de rolos cônicos da China 30202, 30303, 32204, 32304, 32004X: alta qualidade e preço baixo para motores

Keep your motor running smoothly with our high-quality China Tapered Roller Bearing—designed to deliver reliable performance and extended service life. These bearings handle radial and axial loads with precision, reducing downtime and maintenance costs for your equipment.

  • Available in models 30202, 30303, 32204, 32304, and 32004X, with single/double/four row options to match your specific motor requirements
  • Constructed from durable bearing steel and chrome steel, ensuring stability even under heavy loads
  • Non-aligning design maintains optimal contact between rollers and raceways, minimizing vibration and noise
  • Backed by OEM/ODM service and a 3-10 day delivery time, so you get the right part when you need it

Technical Specifications
Product Name
Rolamentos de rolos cônicos da China 30202, 30303, 32204, 32304, 32004X: alta qualidade e preço baixo para motores
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

,

-XL-M1,
    -XL-M1-C3,

Dimensão Externa

35mm-180mm

Especificação

40*110*27 mm

Material

Aço para rolamentos, aço cromado, cerâmica, nylon

Gaiola

Gaiola de Ferro/Gaiola de Latão/Gaiola de Nylon

Direção de Carga

Rolamento Radial

Separado

Separado

Classificação de Precisão

P0, P6, P5, P4, P2

Alinhando

Rolamentos não alinháveis

Esférico

Rolamentos não alinháveis

Tipo de Vedações

Abrir

Lubrificar

Óleo, Graxa, Seco

Vibração

V1, V2, V3, V4

Número de Linhas

Uma/Duas/Quatro Linhas

Estrutura

Cilíndrico

Padrão

DIN, GB, ISO, JIS

Peso

1,3 kg (peso bruto da embalagem)

Tamanho da embalagem

12 cm × 12 cm × 3,7 cm

Pacote de transporte

Caixa, Palete

Origem

China

Serviço

OEM, ODM

Adequação da Aplicação

Indústria

Aplicações Típicas

Motor

Sistemas de acionamento por motor elétrico, eixos rotativos

Maquinário industrial

Transportadores, bombas, caixas de engrenagens

Automotivo

Componentes da transmissão, cubos de roda

Metalurgia do Aço

Equipamentos para laminadores, linhas de processamento

Equipamentos de automação

Braços robóticos, sistemas de movimento de precisão

Struggling to Find Reliable Cylindrical Roller Bearings for Your Motor? Here’s What You Need

Muitos compradores enfrentam a frustração de dimensões de rolamentos incompatíveis, o que causa atrasos na instalação, ou de rolamentos de baixa qualidade que apresentam falhas prematuras, acompanhadas de ruído e vibração excessivos. A aquisição de produtos de vários fornecedores para diferentes marcas e modelos só aumenta a complexidade, desperdiçando tempo valioso que poderia ser dedicado às operações essenciais.

Projetado para oferecer desempenho consistente em motores exigentes

Nossos rolamentos de rolos cilíndricos, incluindo os modelos ,

-XL-M1 e
    , respondem a esses desafios com processos de produção certificados pela ISO 9001 e um estoque abrangente que inclui tanto nossa própria marca quanto as principais normas internacionais. Projetados para aplicações com carga radial em motores, esses rolamentos apresentam anéis interno e externo separados para facilitar a montagem e a desmontagem, uma vantagem fundamental durante a manutenção ou substituição.

    Desempenho ideal em cenários de carga radial

    Ideais para eixos de motores e maquinário industrial onde as cargas radiais são predominantes, esses rolamentos de rolos cilíndricos operam com eficiência dentro de uma faixa de temperatura compatível com as opções padrão de lubrificação — óleo, graxa ou condições a seco. O projeto não alinhado garante estabilidade em aplicações de precisão, enquanto as configurações de uma, duas ou quatro fileiras atendem a diferentes requisitos de carga, tornando-os adequados tanto para transportadores de serviço leve quanto para equipamentos de alto desempenho em siderúrgicas.

    Principais características de engenharia para longevidade e confiabilidade

    The choice of bearing material directly impacts performance: chrome steel offers excellent durability for general use, while ceramic options reduce weight and heat generation in high-speed motors. Iron, brass, or nylon cages provide flexibility—brass cages excel in high-temperature environments, while nylon cages minimize noise in precision applications. Precision ratings from P0 to P2 ensure compatibility with everything from general machinery (P0) to high-precision automation (P2), with tight dimensional tolerances (40*110*27 mm for the NJ408 series) guaranteeing interchangeability with major international standards.

    Why Choosing the Right Cylindrical Roller Bearing Lowers Total Costs

    Investing in quality bearings reduces hidden expenses associated with frequent replacements. A bearing with insufficient precision (e.g., P0 in a high-speed motor) may vibrate excessively, leading to premature wear of adjacent components like gears or shafts. Our bearings undergo rigorous testing—including material hardness checks and dimensional inspections—to meet DIN, ISO, and JIS standards, ensuring they perform as expected over their service life. This reliability translates to fewer production stoppages and lower maintenance costs over time.

    Garantia de Qualidade em Que Você Pode Confiar

    Our production facilities adhere to ISO 9001 standards, with strict incoming material inspections and finished product testing for dimensions, hardness, and surface treatment. We stand behind our bearings with a warranty against manufacturing defects, and our ability to source from a wide range of brands—including both our own BDL and international models—means we can fulfill orders for specific brand requirements. With a production capacity of 1,000,000 units annually, we maintain sufficient stock to meet delivery times of 3-10 days, depending on order quantity.

    Packaging & Shipping

    • Standard packaging: 12cm×12cm×3.7cm cartons, with pallet options for bulk orders
    • Lead time: 3-10 days, depending on quantity needed
    • Shipping options: Express, air, or sea freight available to global destinations
    • Minimum order quantity: Low MOQ supported, ideal for both small repairs and large-scale production

    Get a Quote for Your Cylindrical Roller Bearing Requirements

    Whether you need the NJ408 series for a motor application or require a specific brand/model, provide us with your bearing dimensions (d x D x B), quantity, and target delivery date. Our team will quickly confirm availability and provide a competitive quote, ensuring you get the right bearings when you need them.

    Perguntas frequentes

    Q: Do you supply bearings from other international brands?

    A: Yes, we offer a full range of bearings including major international and domestic brands. We can source specific models according to your requirements.

    P: Como posso verificar se este rolamento é compatível com o meu equipamento?

    A: Provide your equipment’s bearing dimensions (inner diameter d, outer diameter D, width B) or model number, and our technical team will verify compatibility with the NJ408 series or recommend alternatives.

    Q: Qual é a sua política de garantia?

    A: We provide a warranty against manufacturing defects. Specific terms are outlined in each order contract, covering replacement or refund for non-conforming products.

    Q: Qual é a quantidade mínima de pedido?

    A: We support low minimum order quantities, suitable for both small-scale repairs and large production runs. Contact us for details based on your specific model and quantity.

    Q: Quanto tempo leva o envio?

    A: In-stock items ship within 3-10 days. For large orders or custom specifications, lead times may vary and will be confirmed during the quoting process.

    <div class="xp-f

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

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

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.

Contact Engineering Team

-- 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

Regarding: Rolamentos de rolos cônicos da China 30202, 30303, 32204, 32304, 32004X: alta qualidade e preço baixo para motores

Response within 24 hours · Free engineering consultation · No obligation

ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

SKF Authorized Engineering Partner

Need technical support or a custom solution?

15+ certified engineers ready to help. Response within 24 hours.