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Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida thumbnail 1
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NTN GENUINE
IN STOCK
Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida
Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida - Side View
Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida - Detail
Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida - Dimension
Model
22215
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Distribución de Carga Optimizada <p> 22215 Rodamientos de Rodillos Esféricos para Molinos de Acero con Larga Vida

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

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

22215

Característica

Larga Vida, Alta Velocidad, Bajo Ruido

Especificación

75mm×130mm×31mm

Marca registrada

Origen

Japón

Código HS

8482300000

Personalizado

Personalizable

Muestra

Disponible

NTN

Industrias de Aplicación

Industria

Equipo Típico

Molinos de laminación, coladores continuos, molinos de banda en caliente

Automotriz

Transmisiones, Cajas de Cambios

Maquinaria General

Motores eléctricos, ventiladores, bombas

Steel & Metallurgy

Minimizar el tiempo de inactividad en los molinos de acero con rodamientos de rodillos esféricos optimizados para carga 22215

Las operaciones de los molinos de acero enfrentan desafíos críticos con fallas en los rodamientos: las paradas no planificadas en los molinos de laminación cuestan miles por hora, mientras que los rodamientos falsificados a menudo fallan dentro del 30% de la vida útil esperada. Los equipos de mantenimiento luchan con tiempos de entrega inconsistentes de distribuidores de múltiples capas, lo que dificulta la alineación con los horarios de producción. Los rodamientos de rodillos esféricos 22215 abordan estos puntos críticos directamente, diseñados para ofrecer un rendimiento confiable en entornos industriales de carga pesada.

Rodamientos genuinos 22215 con disponibilidad inmediata

Como distribuidor oficial de , garantizamos rodamientos esféricos 22215 100% genuinos con documentación de trazabilidad completa. Nuestro sistema de inventario en tiempo real WMS garantiza la disponibilidad de stock, eliminando los retrasos de tiempo de entrega del 30 al 50% comunes en los canales de distribución tradicionales. Cada rodamiento pasa por una inspección de calidad ISO 9001 de tres niveles, asegurando que cumpla con los requisitos precisos de distribución de carga del equipo de molino de acero, como los soportes de laminación y los sistemas de transporte.

Diseñado para condiciones de acero de alta resistencia en fábricas

Los rodamientos de rodillos esféricos 22215 sobresalen en aplicaciones de alta carga y alta velocidad típicas en la producción de acero. Con un diámetro de orificio de 75 mm y un diámetro exterior de 130 mm, soportan cargas radiales de hasta 290 kN y cargas axiales de hasta 95 kN, lo que los hace ideales para máquinas de colada continua y molinos de laminación en caliente. El diseño optimizado de distribución de carga reduce el estrés interno, extendiendo la vida útil hasta un 40% en comparación con rodamientos estándar en condiciones de operación similares.

Principales Ventajas Técnicas para el Rendimiento 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.

Costo Total de Propiedad: Por qué los Rodamientos Originales Importan

Los rodamientos esféricos falsificados pueden ofrecer costos iniciales más bajos, pero generalmente resultan en gastos totales de 3 a 4 veces más altos debido a fallos prematuros. Un solo fallo de rodamiento en un sistema de transporte de una acería puede causar de 8 a 12 horas de inactividad, lo que resulta en pérdidas de producción que superan los $50,000. Nuestros genuinos rodamientos 22215, respaldados por el control de calidad ISO 9001, proporcionan una vida útil predecible y reducen los costos de mantenimiento al minimizar reparaciones no planificadas. Cada rodamiento viene con documentación completa de trazabilidad, evitando retrasos en el despacho aduanero y disputas de responsabilidad por calidad.

Por qué los molinos de acero eligen nuestras soluciones de rodamientos

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

    Original embalaje con etiquetas anticopia y documentación de trazabilidad de lote

    Embalaje de palets de cartón para transporte y almacenamiento seguros

    3–7 días hábiles de entrega para pedidos en stock a través de DHL, FedEx o UPS

    Seguimiento logístico en tiempo real proporcionado para todos los envíos

    Cantidades de pedido flexibles: 1 unidad para reparaciones de emergencia, precios al por mayor para producción OEM

Obtenga sus rodamientos 22215 entregados rápidamente

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.

Preguntas Frecuentes

Q: ¿Son estos rodamientos genuinos?

A: Sí, somos un distribuidor autorizado oficial de . Cada rodamiento 22215 viene con documentación de trazabilidad completa y certificados de autorización de marca para verificar la autenticidad.

Q: ¿Cómo puedo confirmar si el 22215 es adecuado para mi equipo de molino de laminación?

A: Nuestro equipo técnico puede ayudar con la selección basada en el modelo de su equipo, parámetros de carga y condiciones de operación. Proporcione los detalles de su aplicación para una verificación de compatibilidad gratuita.

P: ¿Cuál es su política de garantía para estos rodamientos?

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.

Q: ¿Cuál es la cantidad mínima de pedido para el 22215?

A: Aceptamos pedidos a partir de 1 unidad para apoyar necesidades de mantenimiento de emergencia, con precios preferenciales para pedidos OEM al por mayor.

Q: ¿Qué tan rápido pueden enviar los rodamientos a Asia Sudoriental?

A: Los rodamientos 22215 en stock se entregan típicamente a destinos del sudeste asiático dentro de 5 a 7 días hábiles a través de mensajería exprés.

Q: ¿Cómo puedo verificar la autenticidad de los rodamientos al recibirlos?

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