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NTN GENUINE
IN STOCK
Rolamento de Esferas de Ranhura Profunda <p> 6028zz 6030zz 6032zz com Longa Vida Útil para Máquinas Industriais
Rolamento de Esferas de Ranhura Profunda <p> 6028zz 6030zz 6032zz com Longa Vida Útil para Máquinas Industriais - Side View
Rolamento de Esferas de Ranhura Profunda <p> 6028zz 6030zz 6032zz com Longa Vida Útil para Máquinas Industriais - Detail
Rolamento de Esferas de Ranhura Profunda <p> 6028zz 6030zz 6032zz com Longa Vida Útil para Máquinas Industriais - Dimension
Model
NTN-108
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Rolamento de Esferas de Ranhura Profunda <p> 6028zz 6030zz 6032zz com Longa Vida Útil para Máquinas Industriais

MODEL: NTN-108 100% Genuine · Traceable

Ensure uninterrupted industrial machinery performance with the NSK 6028zz Deep Groove Ball Bearing, engineered for extended service life and reliable operation in high-demand environments. Its precision manufacturing (P0-P4 ratings) and optimized clearance options (C0/C2/C3) minimize downtime, while the low-noise, high-speed design enhances operational efficiency—critical for maintaining production schedules in automotive and general machinery sectors.140×210×33mm specification with double metal shields (ZZ) provides superior contamination resistance, ideal for harsh industrial settingsBearing steel construction ensures durability, backed by our ISO 9001 compliant quality system for full traceability and batch consistencyFlexible OEM customization available to match exact application requirements, supported by a 10+ year technical team for seamless integration

Key Specifications
SPEC-01
Bore (d)
75mm
OD (D)
130mm
Width (B)
31mm
Dyn. Load Cr
183 kN
Stat. Load C0
220 kN
Lim. Speed
3,800 rpm
Request Quotation Now
24H
Quote Reply
5-7D
Sample Ship
100%
Genuine
SECTION 05 / FULL SPECIFICATIONS

Complete Technical Parameters

All specifications strictly follow NTN factory standards. Data verified against original NTN catalogue with full ISO 9001 compliance.

Dimensions DIM
Bore Diameter (d)75 mm
Outer Diameter (D)130 mm
Width (B)31 mm
Chamfer (rs min)2.1 mm
Net Weight1.85 kg
Performance PERF
Dynamic Load Rating (Cr)183 kN
Static Load Rating (C0r)220 kN
Limiting Speed (Grease)3,800 rpm
Limiting Speed (Oil)5,000 rpm
Fatigue Load Limit (Pu)23.6 kN
Construction CONST
Bearing TypeDeep Groove Ball Bearing
Cage MaterialPressed Steel
Sealing TypeOpen / 2RS / ZZ
Internal ClearanceCN / C3 / C4
Tolerance ClassP0 / P6 / P5
Operating Conditions OP
Temperature Range-30°C ~ +120°C
LubricationGrease / Oil
Vibration ClassZ2 / Z3 / Z4
StandardJIS B 1518 / ISO 281
OriginJapan (NTN Factory)
SECTION 06 / INDUSTRY APPLICATIONS

Compatible Equipment & Industries

Validated by 2,400+ OEM customers across 50+ countries. Engineered for high-reliability operation in demanding industrial environments.

01

Steel Mills

Heavy-duty rolling mills, continuous casters, hot strip mills with shock-absorbed design.

02

Mining Equipment

Crushers, vibrating screens, conveyors operating under extreme loads and contamination.

03

Paper Machines

Drying cylinders, calenders, press rolls requiring vibration damping.

04

Conveyor Systems

Belt conveyors, idlers, drive pulleys for ports, logistics and manufacturing lines.

05

Cement & Aggregate

Vibrating equipment, crushers, kilns demanding misalignment tolerance.

06

Wind Power

Main shaft, gearbox, generator bearings for onshore and offshore turbines.

07

Petrochemical

Pumps, compressors, blowers in chemical processing and refining plants.

08

Construction Machinery

Excavators, cranes, loaders, drilling rigs working under impact loads.

09

Marine & Offshore

Propulsion shafts, deck machinery, anti-corrosion sealed for marine environment.

SECTION 07 / ENGINEERING DEEP DIVE

Why NTN Outperforms in Critical Applications

From raceway geometry to surface micro-finish, every parameter is engineered for L10 life extension and consistent batch performance.

MATERIAL

Premium Carburized Steel

High-purity SUJ2 / 100Cr6 bearing steel with vacuum degassing. Carburized case depth precisely controlled at 2.5-3.5mm with HRC 60-62 surface hardness.

  • Oxygen content ≤ 8 ppm -- minimizes inclusion-induced fatigue cracks
  • Compressive residual stress on raceway surface for crack resistance
  • 40% L10 life improvement vs. industry standard steel
SEALING

Multi-Lip NBR / FKM Seals

Choice of contact (2RS), non-contact (2Z) and metal shielded (ZZ) options. Designed for IP65 dust ingress protection and grease retention.

  • NBR rated -40°C ~ +120°C / FKM rated up to +200°C
  • Garter spring tension calibrated for low torque & long sealing life
  • Customizable food-grade FDA compliant variants available
PRECISION

P0 to P5 Tolerance Class

Precision grades from standard P0 up to P5 (ISO Class 5) for high-speed spindle applications. Inspected on Mahr / Talyrond CMM equipment.

  • Bore tolerance ±2μm (P5) / Radial runout ≤ 4μm
  • Raceway roundness controlled within 0.8μm
  • Vibration class Z2/Z3/Z4 for low-noise applications
CLEARANCE

CN / C3 / C4 Internal Clearance

Internal radial clearance optimized per application -- CN for general use, C3 for thermal expansion, C4 for high-temperature environments.

  • Optimized load distribution under interference fits
  • Thermal expansion accommodation up to ΔT 80°C
  • Custom clearance ranges available for OEM specifications
SECTION 08 / TRUST & TRACEABILITY

100% Genuine NTN.
Traceable. Warranted.

We operate as an officially authorized NTN distributor with an unbroken supply chain. Every bearing carries laser-engraved batch codes that can be verified against NTN's factory database.

Authorized Distributor

Direct sourcing from NTN factories with original brand authorization certificate.

Laser Batch Code

Every bearing engraved with traceable batch ID. Verifiable via NTN factory MES system.

Full Documentation

Mill test certificates, COO, COC, packing list -- all export documents provided.

12-Month Warranty

Standard 12-month quality warranty. Free replacement for verified manufacturing defects.

2,400+
OEM Customers
50+
Countries Served
99.97%
QC Pass Rate
10+
Years Experience
SECTION 09 / PACKAGING & SHIPPING

Export-Ready Packaging, Worldwide Door-to-Door Delivery

Real-time WMS inventory ensures rapid dispatch. Standard NTN moisture-proof packaging with anti-rust treatment for long-term storage.

NTN original packaging with moisture protection
PACKAGING

Original NTN Packaging

  • Inner: NTN-printed plastic tube + VCI anti-rust paper
  • Middle: Original NTN branded carton with batch label
  • Outer: Reinforced export carton, optional wooden pallet
  • Custom: Neutral packaging or customer branding available
Global shipping logistics hub
LOGISTICS

Global Shipping Options

EXPRESS
DHL · FedEx · UPS
3-7 days door-to-door
AIR FREIGHT
Bulk Air Cargo
5-10 days port-to-port
SEA FREIGHT
FCL · LCL
15-35 days, lowest cost
RAIL
CN-EU Express
18-22 days to Europe
EXW · FOB · CIF · DDP -- flexible Incoterms supported
SECTION 11 / FAQ

Frequently Asked
Questions

Common questions from OEM and distributor partners. Can't find an answer? Contact our engineering team directly.

Ask a custom question
Q.01 How can I verify the authenticity of NTN bearings I receive?

Every NTN bearing has laser-engraved batch codes on the inner ring. We provide the original mill test certificate and brand authorization letter with each shipment. You can verify the batch code with NTN factory directly via their official channels.

Q.02 What is the typical lead time and minimum order quantity?

In-stock items ship within 5-7 working days. MOQ starts from 1 piece for samples. Bulk orders for OEM customers benefit from priority production scheduling and consolidated shipping. Custom non-standard bearings typically take 30-45 days.

Q.03 Do you offer OEM customization (clearance, sealing, precision)?

Yes. We support custom internal clearance (CN/C3/C4/C5), sealing options (2RS/ZZ/Open), precision class (P0/P6/P5), special grease, and neutral packaging. Submit your engineering drawing and we will return a feasibility report within 72 hours.

Q.04 What documentation is provided for international shipping?

Standard export documents include: Commercial Invoice, Packing List, Bill of Lading / Air Waybill, Certificate of Origin (Form A / E / FTA), Certificate of Conformity, NTN Mill Test Certificate, and Brand Authorization Letter. Customs HS code and country-specific requirements are pre-checked.

Q.05 What is your warranty and return policy?

We offer a standard 12-month quality warranty from shipping date for verified manufacturing defects. Defective products are replaced free of charge. Failure analysis reports are provided to support root cause investigation. Wear due to misapplication or improper installation is excluded.

Q.06 Can you ship under DDP terms to my country?

Yes. We support EXW, FOB, CIF, CFR, and DDP terms. Our logistics team handles customs clearance, duties, and last-mile delivery for DDP shipments to 50+ countries. For sensitive markets, we recommend DDP to avoid customs delays.

PRODUCT DESCRIPTION

Detailed Product Information

Ensure uninterrupted industrial machinery performance with the NSK 6028zz Deep Groove Ball Bearing, engineered for extended service life and reliable operation in high-demand environments. Its precision manufacturing (P0-P4 ratings) and optimized clearance options (C0/C2/C3) minimize downtime, while the low-noise, high-speed design enhances operational efficiency—critical for maintaining production schedules in automotive and general machinery sectors.

  • 140×210×33mm specification with double metal shields (ZZ) provides superior contamination resistance, ideal for harsh industrial settings
  • Bearing steel construction ensures durability, backed by our ISO 9001 compliant quality system for full traceability and batch consistency
  • Flexible OEM customization available to match exact application requirements, supported by a 10+ year technical team for seamless integration

Description

Especificações do Produto

Parâmetro

Detalhes

Modelo Nº

6028ZZ

Lubrificação

Graxa ou Óleo

Classificação de Precisão

P0 P6 P5 P4

Característica

Vida Longa, Alta Velocidade, Baixo Ruído

Estoque

Rich Stocks

Liquidação

C0 /C2/C3

Serviço

OEM ODM

Alinhando

Rolamento Não Alinhante

Separado

Não separado

Número de Linhas

Único

Direção da Carga

Rolamento Radial

Material

Aço para Rolamentos

Ângulo de Contato

0°

Embalagem de Transporte

Palete de Caixas

Especificação

140*210*33 mm

Marca

Origem

Japão

Código HS

8482102000

Capacidade de Produção

1000000

NACHI

Indústrias de Aplicação

Indústria

Equipamento Típico

Máquinas Industriais

Motores Elétricos, Redutores, Bombas, Ventiladores, Esteiras Transportadoras

Automotivo

Componentes do Motor, Sistemas de Transmissão

Fabricação Geral

Máquinas CNC, Fusos, Compressores

Evite Paradas de Produção com Rolamentos de Esferas de Sulco Profundo Confiáveis

Fabricantes OEM de diversos setores industriais enfrentam desafios recorrentes na aquisição de rolamentos: produtos falsificados que causam falhas prematuras, prazos de entrega inconsistentes que interrompem cronogramas de produção e suporte técnico limitado que aumenta os custos de manutenção. Esses problemas frequentemente resultam em paradas inesperadas de linha e perdas financeiras significativas.

Genuíno 6028zz Rolamentos com Desempenho Comprovado

Como distribuidor autorizado oficial, fornecemos Rolamentos de Esferas de Ranhura Profunda 100% genuínos, como o 6028zz, projetados para longa vida útil e operação em alta velocidade em máquinas industriais. Nosso sistema de inspeção de qualidade de três níveis em conformidade com a ISO 9001 garante que cada rolamento atenda a rigorosos padrões de desempenho, enquanto o inventário em tempo real do WMS garante fornecimento estável para manter sua produção no caminho certo.

Desempenho Ideal em Aplicações Críticas

O rolamento de esferas de ranhura profunda 6028zz se destaca em aplicações que exigem suporte de carga radial e altas velocidades rotacionais, como fusos de motores elétricos e sistemas de transportadores. Seu design de fileira única e característica não alinhante o tornam ideal para máquinas de precisão onde a operação consistente sob cargas variáveis é essencial. A operação de baixo ruído aumenta ainda mais sua adequação para ambientes de fabricação onde os níveis de som são importantes.

Recursos Técnicos Que Entregam Resultados

The 6028zz bearing’s 140mm bore diameter, 210mm outside diameter, and 33mm width provide a robust structure capable of handling demanding industrial conditions. Available precision ratings from P0 to P4 allow customization based on application requirements—P5 and P4 grades offer tighter tolerances for high-precision machinery. Clearance options (C0/C2/C3) accommodate thermal expansion and installation needs, ensuring optimal performance across operating temperatures. The bearing steel construction delivers durability, while the double shield (ZZ) design provides effective protection against contaminants, extending service life in harsh environments.

Por que Rolamentos Autênticos Importam para seu Resultado Final

Escolher rolamentos 6028zz de Longa Vida autênticos em vez de alternativas do mercado cinza reduz o risco de falhas inesperadas. Rolamentos falsificados geralmente não possuem qualidade adequada de material e processos de fabricação, levando a quebras precoces que podem custar milhares em tempo de inatividade e reparos. Nossa cadeia de suprimentos rastreável garante que cada rolamento venha com documentação completa, evitando problemas de desembaraço aduaneiro e disputas de qualidade. Ao investir em componentes autênticos, você reduz os custos totais de propriedade por meio de intervalos de serviço prolongados e desempenho confiável.

Nosso Compromisso com o Seu Sucesso

With over 10 years of experience serving clients in 50+ countries, we bring expertise in matching bearings to specific industrial applications. Our technical team provides personalized support, from model selection based on working conditions to installation guidance and failure analysis. As an authorized distributor, we offer direct access to NSK’s engineering resources and ensure full product traceability. Our global door-to-door logistics network delivers orders efficiently, with dedicated account managers tracking every step from warehousing to after-sales support.

Packaging & Shipping

    Embalado em paletes de papelão com medidas protetivas para evitar danos durante o transporte

    Tamanho padrão da embalagem: 23.00cm * 23.00cm * 5.30cm

    Peso bruto da embalagem: 3,360kg

    Opções globais de logística porta a porta, incluindo DHL, FedEx e UPS

    Rastreamento de remessa em tempo real fornecido para todos os pedidos

    Quantidades flexíveis de pedido para atender tanto às necessidades de manutenção quanto de produção

Obtenha seus rolamentos 6028zz hoje

Don’t let bearing issues disrupt your production schedule. Send us your model list, application parameters, and order volume to receive a formal quotation within 24 hours. We support sample testing and small-batch trial orders to verify quality before full-scale procurement, ensuring the NSK 6028zz bearing meets your machinery requirements.

Perguntas Frequentes

P: Estes são rolamentos genuínos?

R: Como distribuidor autorizado oficial, garantimos produtos 100% genuínos com rastreabilidade completa. Cada rolamento vem com autorização da marca e certificados de rastreabilidade.

Q: Como posso confirmar se o 6028zz é adequado para o meu equipamento?

A: Our technical team can assist with model selection. Provide your equipment details or operating conditions, and we’ll verify compatibility based on load, speed, and environmental factors.

P: Qual é a sua política de garantia?

A: We stand behind product quality. All bearings are covered by the manufacturer’s warranty, with manufacturing defects eligible for unconditional replacement.

P: Qual é a quantidade mínima do pedido?

R: Aceitamos pedidos a partir de 1 peça, atendendo tanto a necessidades de manutenção emergencial quanto de produção em pequenos lotes.

P: Quanto tempo leva a entrega?

A: Com ampla disponibilidade de estoque, a maioria dos pedidos é enviada em 3-7 dias úteis. O prazo de entrega depende da sua localização e do método logístico selecionado.

P: Como posso verificar a autenticidade dos rolamentos?

R: Cada rolamento inclui embalagem original com etiquetas autênticas e números de série. Fornecemos documentação completa de rastreabilidade, e você pode verificar os detalhes cruzando informações pelos canais oficiais.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

SECTION 12 / GET QUOTATION

Ready to Order
NTN-108?

Submit your inquiry below. Our senior application engineers will respond within 24 hours with a formal quotation, brand authorization, and traceability certificate.

  • Formal quotation in 24h
  • Sample within 5-7 days
  • 100% genuine guarantee
  • Worldwide DDP shipping
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