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<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Side View thumbnail 2
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Detail thumbnail 3
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Dimension thumbnail 4
NTN GENUINE
IN STOCK
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Side View
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Detail
<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida - Dimension
Model
7220
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

<p> Rodamiento de Bolas de Contacto Angular 7220 100×180×34mm para Motores Automotrices Larga Vida

MODEL: 7220 100% Genuine · Traceable

Boost automotive motor reliability with the NTN 7220 bearing, a precision-engineered angular contact solution that delivers extended service life in high-torque applications. This single row 100×180×34mm bearing maintains consistent performance under heavy loads, minimizing unplanned downtime for manufacturers and maintenance teams.Constructed with high-grade bearing steel and optimized grease/oil lubrication compatibility to reduce friction and heat buildupOpen seal design allows for easy maintenance while ensuring precise alignment in automotive motor assembliesDirect from NTN’s authorized supply chain with full traceability documentation, eliminating compliance risks in global logistics

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 TypeAngular Contact 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

Boost automotive motor reliability with the NTN 7220 bearing, a precision-engineered angular contact solution that delivers extended service life in high-torque applications. This single row 100×180×34mm bearing maintains consistent performance under heavy loads, minimizing unplanned downtime for manufacturers and maintenance teams.

  • Constructed with high-grade bearing steel and optimized grease/oil lubrication compatibility to reduce friction and heat buildup
  • Open seal design allows for easy maintenance while ensuring precise alignment in automotive motor assemblies
  • Direct from NTN’s authorized supply chain with full traceability documentation, eliminating compliance risks in global logistics

Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

7220

Número de Filas

Único

Material

Acero para rodamientos

Lubricación

Grasa o Aceite

Tipo de Sello

Abrir

Especificación

100×180×34 mm

Marca registrada

Origen

Japón

Código HS

8482300000

Muestra

Disponible

Paquete de Transporte

Embalaje estándar o personalizado

NTN

Industrias de Aplicación

Industria

Equipo Típico

Automotriz

Motores eléctricos, sistemas auxiliares de motor, unidades de transmisión de potencia

Maquinaria Industrial

Motores Spindles, Reductores, Bombas, Compresores

Detenga el tiempo de inactividad del motor con el auténtico 7220 Rodamiento de Bolas de Contacto Angular

Los fabricantes de motores automotrices conocen la frustración: los rodamientos falsificados fallan al 30% de su vida útil nominal, causando paradas no planificadas y pérdidas en la línea de producción. Los distribuidores de múltiples niveles extienden los tiempos de entrega en un 30-50%, dejando a los equipos de mantenimiento esperando mientras las máquinas permanecen inactivas. Incluso los rodamientos genuinos a menudo carecen de la documentación de trazabilidad adecuada, creando retrasos en el despacho aduanero y riesgos de responsabilidad por calidad.

Rodamientos genuinos 7220: En stock y rastreables

Como distribuidor autorizado oficial de , eliminamos estos puntos de dolor para aplicaciones de motores automotrices. El rodamiento de bolas de contacto angular

7220 ofrece un rendimiento de larga duración con su construcción de acero de rodamiento de precisión y geometría interna optimizada. Nuestro inventario en tiempo real WMS asegura que este rodamiento de una fila de 100×180×34mm esté listo para despacho inmediato, apoyando tanto las producciones planificadas como las necesidades de mantenimiento de emergencia.

Diseñado para el Rendimiento del Motor Automotriz

Este rodamiento 7220 sobresale en entornos de motores automotrices de alta velocidad, donde las cargas radiales y axiales se combinan bajo operación continua. El diseño de sellado abierto permite flexibilidad en la lubricación con grasa o aceite, adaptándose a los requisitos específicos de temperatura y velocidad del motor. Ya sea alimentando motores de tracción de vehículos eléctricos o auxiliares de motores de combustión interna tradicionales, su diseño de contacto angular de una sola fila proporciona la rigidez necesaria para una alineación precisa del rotor y una reducción de la vibración.

Detalles técnicos que maximizan la vida del motor

The 7220 bearing’s 100mm bore diameter and 180mm outer diameter balance load capacity with compact installation, critical for space-constrained motor housings. At 34mm width, it offers optimal contact angle distribution to handle combined radial-thrust loads common in motor applications. Constructed from high-grade bearing steel, it maintains dimensional stability even under thermal expansion, ensuring consistent performance across the typical -40°C to 120°C operating range of automotive motors. The precision manufacturing ensures minimal runout, directly translating to quieter operation and extended motor bearing life.

Por qué los rodamientos genuinos reducen el costo total

Choosing genuine NTN 7220 bearings over gray market alternatives delivers measurable cost benefits. Counterfeit bearings often fail within 3,000 hours of operation, while authentic NTN units typically exceed 15,000 hours in standard motor applications. This 5x life improvement eliminates repeated replacement labor, reduces production downtime, and prevents collateral damage to motor shafts and housings. Our ISO 9001 compliant quality inspection ensures each bearing meets NTN’s exacting standards, avoiding the hidden costs of premature failure.

Su Socio de Suministro de de Confianza

With over 10 years serving automotive OEMs across 50+ countries, we’ve built our reputation on four pillars: 1) Official NTN authorization with full product traceability from factory to delivery; 2) Three-level quality inspection system verifying every bearing before shipment; 3) Dedicated technical team providing application-specific选型 guidance and failure analysis; 4) Global door-to-door logistics with real-time shipment tracking. We support OEM customization and small-batch trials, making us the preferred partner for both production lines and maintenance departments.

Packaging & Shipping

    Embalaje estándar con etiquetado personalizado opcional para requisitos de OEM

    Disponibilidad de muestras para pruebas y calificación de preproducción

    Entrega global a través de DHL, FedEx o transporte marítimo con términos de envío flexibles

    Visibilidad de inventario en tiempo real a través de nuestro sistema WMS

    Documentación completa de exportación, incluyendo certificado de origen y cumplimiento de materiales

Obtenga su cotización de rodamiento 7220 hoy

Don’t let bearing issues disrupt your production schedule. Send us your motor specifications, required quantity, and delivery timeline, and our team will provide a formal quotation with full traceability documentation within 24 hours. Whether you need a single replacement bearing or a bulk order for production, we ensure genuine NTN quality with the reliability your operation demands.

Preguntas Frecuentes

Q: ¿Son estos rodamientos genuinos?

A: Yes, we are an official NTN authorized distributor. Every bearing comes with NTN’s original packaging and full traceability documentation to ensure authenticity.

Q: ¿Cómo confirmo que este rodamiento se ajusta a mi motor?

A: Proporcione el número de modelo de su motor o los parámetros de operación (velocidad, carga, temperatura), y nuestro equipo técnico verificará la compatibilidad sin costo alguno.

P: ¿Cuál es su política de garantía?

A: We offer NTN’s standard manufacturer warranty covering material and manufacturing defects. Defective products are replaced with no restocking fees.

Q: ¿Cuál es la cantidad mínima de pedido?

A: Aceptamos pedidos a partir de 1 pieza para apoyar las necesidades de mantenimiento de emergencia, con precios por volumen disponibles para cantidades de producción.

P: ¿Qué tan rápido pueden enviar?

A: Stock items ship within 3 business days. For custom packaging or large orders, we’ll provide a specific delivery timeline in your quotation.

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
7220?

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-7220 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