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Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil thumbnail 1
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil - Side View thumbnail 2
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil - Detail thumbnail 3
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NTN GENUINE
IN STOCK
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil - Side View
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil - Detail
Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil - Dimension
Model
22215
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Otimizados para Distribuição de Carga <p> 22215 Rolamentos Autocompensadores de Rolos para Usinas Siderúrgicas com Longa Vida Útil

MODEL: 22215 100% Genuine · Traceable

Minimize unplanned downtime in your steel mill operations with NTN 22215 spherical roller bearings, engineered for optimized load distribution and extended service life. These 75x130x31mm precision components reduce vibration-induced wear in heavy-duty applications, ensuring consistent performance even under fluctuating loads common in rolling mills and gearboxes.High-speed, low-noise operation maintains production efficiency while lowering maintenance costsISO 9001-certified traceability guarantees authentic NTN quality with complete documentation for seamless complianceCustomizable options available to match specific machinery requirements, supported by our 10+ years technical team

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 TypeSpherical Roller 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

Minimize unplanned downtime in your steel mill operations with NTN 22215 spherical roller bearings, engineered for optimized load distribution and extended service life. These 75x130x31mm precision components reduce vibration-induced wear in heavy-duty applications, ensuring consistent performance even under fluctuating loads common in rolling mills and gearboxes.

  • High-speed, low-noise operation maintains production efficiency while lowering maintenance costs
  • ISO 9001-certified traceability guarantees authentic NTN quality with complete documentation for seamless compliance
  • Customizable options available to match specific machinery requirements, supported by our 10+ years technical team

Description

Especificações do Produto

Parâmetro

Detalhes

Modelo Nº

22215

Característica

Vida Longa, Alta Velocidade, Baixo Ruído

Especificação

75mm×130mm×31mm

Marca

Origem

Japão

Código HS

8482300000

Personalizado

Personalizável

Amostra

Disponível

NTN

Indústrias de Aplicação

Indústria

Equipamento Típico

Laminadores, Máquinas de Fundição Contínua, Laminadores de Tiras a Quente

Automotivo

Transmissões, Caixas de Engrenagens

Máquinas Gerais

Motores Elétricos, Ventiladores, Bombas

Steel & Metallurgy

Minimize o Tempo de Inatividade em Usinas Siderúrgicas com Rolamentos Autocompensadores de Rolos 22215 Otimizados para Carga

Operações de usinas siderúrgicas enfrentam desafios críticos com falhas de rolamentos—paradas não planejadas em laminadores custam milhares por hora, enquanto rolamentos falsificados frequentemente falham dentro de 30% da vida útil esperada. Equipes de manutenção lutam com prazos de entrega inconsistentes de distribuidores multicamadas, dificultando o alinhamento com os cronogramas de produção. Os 22215 rolamentos autocompensadores de rolos abordam diretamente esses pontos críticos, projetados para oferecer desempenho confiável em ambientes industriais de alta carga.

Genuínas 22215 Rolamentos com Disponibilidade Imediata

Como distribuidor oficial , garantimos rolamentos autocompensadores de rolos 22215 100% genuínos com documentação completa de rastreabilidade. Nosso sistema de inventário em tempo real WMS assegura a disponibilidade de estoque, eliminando os atrasos de 30–50% no lead time comuns em canais de distribuição tradicionais. Cada rolamento passa por uma inspeção de qualidade ISO 9001 de três níveis, garantindo que atenda aos requisitos precisos de distribuição de carga de equipamentos de usinas siderúrgicas, como cadeiras de laminação e sistemas de transportadores.

Projetado para condições de serviço pesado em usinas siderúrgicas

Os rolamentos autocompensadores de rolos 22215 são excelentes para aplicações de alta carga e alta velocidade típicas na produção de aço. Com diâmetro do furo de 75 mm e diâmetro externo de 130 mm, eles suportam cargas radiais de até 290 kN e cargas axiais de até 95 kN, sendo ideais para máquinas de lingotamento contínuo e laminadores de tiras a quente. O design otimizado de distribuição de carga reduz a tensão interna, prolongando a vida útil em até 40% em comparação com rolamentos padrão em condições operacionais semelhantes.

Principais Vantagens Técnicas para Performance Industrial

The 22215’s 31mm width provides enhanced stability under heavy radial loads, critical for gearbox and motor applications. Its low noise operation (≤65 dB at 3000 r/min) improves workplace conditions, while high-speed capability (up to 4500 r/min) suits dynamic machinery. The bearing’s spherical design allows for misalignment compensation up to 2°, reducing installation stress and extending equipment life. NTN’s precision manufacturing ensures consistent performance batch after batch, a critical factor for maintaining production uniformity in steel mills.

Custo Total de Propriedade: Por que Rolamentos Genuínos Importam

Rolamentos de rolos esféricos falsificados podem oferecer custos iniciais mais baixos, mas geralmente resultam em despesas totais 3 a 4 vezes maiores devido a falhas prematuras. Uma única falha de rolamento em um sistema de esteira transportadora de usina siderúrgica pode causar de 8 a 12 horas de paralisação, resultando em perdas de produção superiores a US$ 50.000. Nossos rolamentos genuínos 22215, respaldados pelo controle de qualidade ISO 9001, fornecem vida útil previsível e reduzem os custos de manutenção ao minimizar reparos não planejados. Cada rolamento vem com documentação completa de rastreabilidade, evitando atrasos na liberação alfandegária e disputas de responsabilidade por qualidade.

Por que as siderúrgicas escolhem nossas soluções de rolamentos

With over 10 years of technical expertise serving 50+ countries, we offer more than just products. Our dedicated engineering team provides application-specific guidance, from bearing selection to installation support. As an authorized distributor, we maintain direct access to NTN’s OEM supply chain, ensuring batch consistency for large-scale projects. Our global door-to-door logistics network delivers bearings to your facility in 3–7 days, with real-time tracking. We support flexible OEM customization, including specialized lubrication and packaging options, to meet unique steel mill requirements.

Packaging & Shipping

    Embalagem original com etiquetas antifalsificação e documentação de rastreabilidade de lote

    Embalagem em palete de papelão para transporte e armazenamento seguros

    Entrega em 3–7 dias úteis para pedidos em estoque via DHL, FedEx ou UPS

    Rastreamento de logística em tempo real fornecido para todas as remessas

    Quantidades flexíveis de pedido: 1 unidade para reparos de emergência, preço por atacado para produção OEM

Obtenha Seus 22215 Rolamentos Entregues Rapidamente

Don’t let bearing issues disrupt your steel mill operations. Send us your bearing model list, equipment details, and required quantity today. Our team will provide a formal quotation with traceability certificates within 24 hours, including sample testing options for quality verification. With our ready inventory and technical support, you can minimize downtime and keep your production lines running efficiently.

Perguntas Frequentes

Q: Estes são rolamentos genuínos ?

R: Sim, somos um distribuidor autorizado oficial . Cada rolamento 22215 vem com documentação completa de rastreabilidade e certificados de autorização da marca para verificar a autenticidade.

P: Como confirmar se o 22215 é adequado para o meu equipamento de laminador?

A: Nossa equipe técnica pode auxiliar com选型 baseado no modelo do seu equipamento, parâmetros de carga e condições operacionais. Forneça os detalhes da sua aplicação para uma verificação gratuita de compatibilidade.

Q: Qual é a sua política de garantia para esses rolamentos?

A: All NTN bearings come with the manufacturer’s warranty, covering manufacturing defects. We provide full after-sales support for warranty claims and technical issues.

P: Qual é a quantidade mínima do pedido para o 22215?

A: Aceitamos pedidos a partir de 1 unidade para atender às necessidades de manutenção de emergência, com preços preferenciais para pedidos OEM em grandes quantidades.

Q: Com que rapidez vocês podem enviar os rolamentos para o Sudeste Asiático? A: Rolamentos 22215 em estoque são normalmente entregues a destinos do Sudeste Asiático dentro de 5–7 dias úteis via correio expresso.

Q: Como posso verificar a autenticidade dos rolamentos no recebimento?

A: Each bearing includes NTN’s original packaging with holographic labels, laser-etched part numbers, and a batch traceability certificate. You can cross-verify details through NTN’s official channels with the provided documentation.

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
22215?

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
FORM · INQUIRY-22215 SECURE SSL

By submitting, you agree to NTN OEM processing your contact details for quotation purposes only. We never share information with third parties.

NTN AUTHORIZED DISTRIBUTOR / OEM · Wholesale · Global Logistics
ISO 9001:2015 · JIS B 1518