Angular Contact Ball Bearing
NACHI NTN NSK 6903 6904 6905 Deep Groove Ball Bearing for Mine Machine
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NACHI NTN NSK 6903 6904 6905 Deep Groove Ball Bearing for Mine Machine

Ensure uninterrupted mine machine performance with our premium Mine Machine Bearing, engineered to deliver long life and high speed even in harsh industrial environments. Crafted from durable bearing steel with precision ratings from P0 to P2, these deep groove ball bearings minimize downtime by reducing noise and vibration (Z1V1 to Z3V3 options available), letting your equipment run smoother for longer.

  • Trusted brands including NACHI, NTN, NSK for reliable performance you can count on
  • Customizable specifications to fit your exact machinery requirements
  • Radial load design optimized for the heavy-duty demands of mining operations

Technical Specifications
Product Name
NACHI NTN NSK 6903 6904 6905 Deep Groove Ball Bearing for Mine Machine
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

N.º do modelo

Separado

Personalizado

Número de Linhas

Personalizado

Direção de Carga

Rolamento Radial

Material

Aço para rolamentos

Nome do produto

/

/
    /
  • /
  • Rolamento de rolos

Classificação de Precisão

P0 P6 P5 P4 P2

Vibração

Recurso

Longa vida útil, alta velocidade, baixo ruído

Transporte

por via marítima ou aérea

Serviço

OEM ODM

Pacote de transporte

Palete de papelão

Especificação

Marca Registrada

/

/
    /
  • /

Origem

China

Código HS

8482102000

Capacidade de produção

1.000.000

7307 7308
Z1V1 Z2V2 Z3V3
customized

Adequação da Aplicação

Indústria

Aplicações Típicas

Mine Machine Mining equipment, conveyor systems, processing machinery

Finding the Right Deep Groove Ball Bearing for Mine Machines? Key Factors to Consider

Mine machine operators often face challenges with bearing selection—from navigating complex model systems across brands to ensuring components can withstand harsh conditions. The wrong bearing can lead to unexpected downtime, increased maintenance costs, and production delays, making reliable sourcing critical for operational efficiency.

Engineered for Demanding Mining Environments

Our deep groove ball bearings, including models 6903, 6904, and 6905, are designed to address these challenges. With ISO 9001-certified production processes and access to major international brands like NACHI, NTN, and NSK, we provide options that meet the rigorous demands of mine machinery. Whether for conveyor rollers, pumps, or gearboxes, these bearings deliver long life, high speed, and low noise operation in dusty, heavy-load environments.

Desempenho Ideal em Condições de Trabalho Pesadas

These deep groove ball bearings excel in radial load applications, making them ideal for rotating components in mining equipment. With bearing steel construction and precision ratings from P0 to P2, they maintain stability even under high speeds and variable loads. The Z1V1 to Z3V3 vibration grades ensure smooth operation, reducing wear on adjacent parts and minimizing maintenance interruptions.

Technical Details That Impact Reliability

The material selection—high-quality bearing steel—directly contributes to fatigue resistance and durability, essential for extending service life in abrasive mining conditions. Precision ratings (P0-P2) ensure dimensional accuracy, allowing for seamless interchangeability with existing components. Vibration control (Z1V1-Z3V3) is critical in reducing noise and preventing premature failure, while the option for customized specifications means bearings can be tailored to specific machine requirements, from load capacity to operating temperature ranges.

Custo Total de Propriedade: Por que a Qualidade Importa

Choosing a precision-engineered deep groove ball bearing reduces long-term costs compared to lower-quality alternatives. Inferior bearings often fail early due to material inconsistencies or poor manufacturing, leading to unplanned downtime, replacement parts, and labor expenses. Our bearings, backed by strict quality control and material testing, align with ISO standards to minimize these risks. By focusing on reliability and performance, we help operators lower total ownership costs through extended service intervals and reduced maintenance needs.

Qualidade em que você pode confiar

Our production and inspection processes adhere to ISO 9001 standards, ensuring consistent quality from raw material testing to final dimensional checks. Each bearing undergoes hardness and surface treatment evaluations to meet industry specifications. We offer a warranty period covering manufacturing defects, with clear return and replacement procedures. With access to a wide range of international and domestic brands, we can source or customize bearings to match exact customer requirements, and our substantial inventory supports quick turnaround for urgent orders.

Packaging & Shipping

    Embalagem em caixa e palete para transporte seguro

    Estoque disponível para envio imediato

  • Flexible shipping options including sea and air freight
  • Low minimum order quantities to support both small and large-scale requirements

Get a Quote for Your Mine Machine Bearings

Whether you need standard models like 6903, 6904, 6905 or customized deep groove ball bearings, we can provide competitive pricing and availability. Share your required model, dimensions, and quantity, and our team will assist with product selection and delivery timelines to keep your mining operations running smoothly.

Perguntas frequentes

P: Você fornece rolamentos de outras marcas ou modelos?

A: Yes, we support inquiries for all bearing brands and models, and can supply according to your specific brand or dimensional requirements.

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

A: Provide the bearing model number or key dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with your machine specifications.

P: Qual é a política de garantia para esses rolamentos?

A: We offer a warranty period covering manufacturing defects. Specific terms and conditions are detailed in the purchase contract.

Q: Qual é a quantidade mínima de pedido?

A: We accept low minimum order quantities to accommodate both small-scale trials and large-volume purchases.

Q: Quanto tempo leva o envio e quais métodos estão disponíveis?

A: In-stock items ship immediately. We offer sea freight for large orders and air freight for urgent requirements, with delivery times varying by destination.

Q: Você pode fornecer serviços OEM ou ODM?

A: Yes, we support OEM and ODM customization based on customer drawings or technical specifications.

Ready to order or need a quote?
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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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: NACHI NTN NSK 6903 6904 6905 Deep Groove Ball Bearing for Mine Machine

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

SKF Authorized Engineering Partner

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