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✅ ISO 9001:2015 Certified · 100% Genuine NTN · Full Traceability
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NTN GENUINE
IN STOCK
Máquinas Textiles Alta Velocidad <p> 6308 Rodamiento de Bolas de Surco Profundo 40x90x23mm con Servicio OEM
Máquinas Textiles Alta Velocidad <p> 6308 Rodamiento de Bolas de Surco Profundo 40x90x23mm con Servicio OEM - Side View
Máquinas Textiles Alta Velocidad <p> 6308 Rodamiento de Bolas de Surco Profundo 40x90x23mm con Servicio OEM - Detail
Máquinas Textiles Alta Velocidad <p> 6308 Rodamiento de Bolas de Surco Profundo 40x90x23mm con Servicio OEM - Dimension
Model
6308
Origin
JAPAN
Lead Time
5-7 DAYS
NTN AUTHORIZED · OEM SUPPLIER

Máquinas Textiles Alta Velocidad <p> 6308 Rodamiento de Bolas de Surco Profundo 40x90x23mm con Servicio OEM

MODEL: 6308 100% Genuine · Traceable

Ensure smooth, high-speed textile machine operation with the NTN 6308 deep groove ball bearing—designed to minimize downtime and maintain consistent production. This 40x90x23mm precision component, crafted from premium bearing steel, delivers reliable performance in demanding textile manufacturing environments, directly addressing the need for batch-stable, traceable parts that keep your lines running.Japan NTN original with full traceability documentation for seamless customs clearance and quality assuranceGrease or oil lubrication options to match specific machine requirements, ensuring optimal friction reductionCustomizable OEM service available, supported by our 10+ years technical team for tailored solutions

Key Specifications
SPEC-01
Bore (d)
40mm
OD (D)
90mm
Width (B)
23mm
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)40 mm
Outer Diameter (D)90 mm
Width (B)23 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 smooth, high-speed textile machine operation with the NTN 6308 deep groove ball bearing—designed to minimize downtime and maintain consistent production. This 40x90x23mm precision component, crafted from premium bearing steel, delivers reliable performance in demanding textile manufacturing environments, directly addressing the need for batch-stable, traceable parts that keep your lines running.

  • Japan NTN original with full traceability documentation for seamless customs clearance and quality assurance
  • Grease or oil lubrication options to match specific machine requirements, ensuring optimal friction reduction
  • Customizable OEM service available, supported by our 10+ years technical team for tailored solutions

Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

6308

Material

Acero para rodamientos

Especificación

40x90x23mm

Marca registrada

Origen

Japón

Código HS

8482300000

Personalizado

Personalizable

Muestra

Disponible

Servicio

OEM ODM

Lubricación

Grasa o Aceite

Paquete de Transporte

Palé de Cartón

Tamaño del paquete

6.00cm * 11.00cm * 4.50cm

Peso Bruto del Paquete

0.680kg

NTN

Industrias de Aplicación

Industria

Equipo Típico

Fabricación Textil

Máquinas de hilar, Telas de tejido, Equipos de teñido, Máquinas de tejer

Automotriz

Componentes de automóviles, Cajas de cambios

Maquinaria General

Ventiladores eléctricos, Motores, Bombas

Detenga el tiempo de inactividad de la máquina textil con los auténticos 6308 rodamientos de bolas de ranura profunda

Los fabricantes de textiles conocen el costo del tiempo de inactividad inesperado: cada minuto de producción detenida erosiona los márgenes de beneficio. Los rodamientos falsificados a menudo fallan prematuramente bajo las operaciones de máquinas textiles de alta velocidad, mientras que los distribuidores de múltiples niveles extienden los plazos de entrega en un 30-50%, dejando a las fábricas esperando reemplazos críticos. Incluso cuando los rodamientos llegan, los documentos de trazabilidad incompletos frecuentemente causan retrasos en el despacho aduanero y disputas de calidad.

Rodamientos genuinos 6308 para operaciones textiles de alta velocidad

Como distribuidor autorizado oficial de , proporcionamos rodamientos de bolas de surco profundo

6308 (40x90x23mm) 100% genuinos, diseñados específicamente para máquinas textiles de alta velocidad. Nuestro inventario en tiempo real WMS garantiza la disponibilidad de stock, mientras que nuestro sistema de inspección de calidad de tres niveles, conforme a ISO 9001, verifica cada rodamiento antes del envío. Ya sea para marcos de hilado, telares o maquinaria de teñido, estos componentes de acero para rodamientos ofrecen la fiabilidad necesaria para mantener sus líneas de producción en funcionamiento.

Rendimiento Optimizado en Entornos de Máquinas Textiles

El rodamiento 6308 sobresale en las altas velocidades de rotación y cargas moderadas típicas de las aplicaciones de maquinaria textil. Operando a velocidades hasta sus límites nominales, este rodamiento de bolas de surco profundo mantiene la estabilidad incluso bajo operación continua, reduciendo la vibración y el ruido que pueden afectar la calidad de la tela. Su diámetro de orificio de 40 mm y diámetro exterior de 90 mm se ajustan a los ejes de máquinas textiles estándar, lo que lo convierte en un reemplazo directo para componentes desgastados sin necesidad de modificación.

Características técnicas que garantizan la longevidad y eficiencia

The 6308’s bearing steel construction provides exceptional durability, withstanding the rigors of textile production environments. Its 23mm width balances load capacity and compact design, while precision manufacturing ensures proper clearance for thermal expansion during high-speed operation. The bearing accommodates both grease and oil lubrication, allowing customization based on specific machine requirements. Dynamic load ratings support consistent performance under cyclic stresses, while the deep groove design enables radial load handling essential for spindle and pulley applications.

Evite Costos Ocultos de Rodamientos Textiles Falsificados

Los rodamientos no genuinos pueden ofrecer precios iniciales más bajos, pero a menudo resultan en costos totales más altos. Los materiales de calidad inferior conducen a fallos prematuros, lo que requiere reemplazos frecuentes y mantenimiento no planificado. Cada avería de la máquina textil puede costar miles en producción perdida, sin contar los gastos de reparación. Nuestros rodamientos genuinos 6308 vienen con documentación de trazabilidad completa, eliminando problemas aduaneros y proporcionando una clara responsabilidad. Al invertir en componentes auténticos, los fabricantes de textiles reducen el riesgo de tiempo de inactividad y aseguran horarios de producción predecibles.

Por qué los fabricantes de textiles eligen nuestros rodamientos

With over 10 years serving textile industry clients across 50+ countries, we bring specialized expertise in bearing applications for textile machinery. Our official NTN authorization guarantees direct access to the manufacturer’s supply chain, ensuring batch consistency and authenticity. A dedicated technical team provides free model selection support based on your specific textile machine working conditions, from spindle speed to operating temperature. We offer flexible OEM customization to meet unique machine requirements, and our global door-to-door logistics delivers bearings directly to your facility, bypassing unnecessary distribution layers.

Packaging & Shipping

    Empaque original con certificación del producto y documentos de trazabilidad

    Embalaje de palets de cartón para transporte y almacenamiento seguros

    Pruebas de muestra disponibles para verificación de calidad antes de pedidos masivos

    Logística global puerta a puerta a través de DHL, FedEx, UPS o transporte de carga

    Seguimiento de pedidos en tiempo real proporcionado desde el despacho del almacén hasta la entrega

Obtenga sus rodamientos 6308 enviados en 24 horas

Don’t let bearing issues disrupt your textile production schedule. Send us your NTN 6308 bearing requirements, including quantity and application details, and we’ll issue a formal quotation with certification documents within 24 hours. Our inventory is ready for immediate dispatch, ensuring you receive replacement bearings quickly to minimize downtime.

Preguntas Frecuentes

Q: ¿Son estos rodamientos genuinos?

A: Sí, somos un distribuidor autorizado oficial de . Cada rodamiento 6308

viene con documentación de trazabilidad completa y certificados de autorización de marca.

Q: ¿Cómo confirmo si el 6308 es adecuado para mi máquina textil?

A: Proporcione el modelo de su máquina, la velocidad de operación y las condiciones de carga. Nuestro equipo técnico verificará la compatibilidad y recomendará configuraciones apropiadas.

P: ¿Cuál es su política de aseguramiento de calidad?

A: All bearings undergo ISO 9001 compliant three-level inspection. Manufacturing defects are covered by NTN’s original warranty with unconditional replacement.

Q: ¿Cuál es la cantidad mínima de pedido?

A: Aceptamos pedidos a partir de 1 pieza para apoyar reparaciones de emergencia, con descuentos por volumen disponibles para compras al por mayor.

Q: ¿Cuánto tiempo tarda el envío a Asia Sudeste?

A: La entrega estándar a Asia Sudoriental tarda de 3 a 5 días hábiles a través de logística exprés; opciones de flete marítimo disponibles para pedidos grandes.

Ready to order or need a quote?
Send your NTN 6308 bearing quantity and textile machine details — we’ll respond within 24 hours with pricing and availability.

SECTION 12 / GET QUOTATION

Ready to Order
6308?

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-6308 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