Self-Aligning Ball Bearing
NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings

Ensure smooth, long-lasting operation in your machinery with our reliable Self-Aligning Roller Bearings, designed to minimize downtime and reduce maintenance headaches. Crafted from high-grade Bearing Steel, these single-row radial bearings deliver exceptional performance with low noise and high-speed capabilities, making them ideal for demanding industrial applications.

  • Features a 0° contact angle for optimized radial load handling, ensuring precise alignment even in challenging conditions
  • Unseparated design enhances stability and simplifies installation, saving you valuable time during setup
  • Backed by OEM/ODM service options to meet your specific equipment requirements, backed by a production capacity of 1,000,000 units for consistent supply

Technical Specifications
Product Name
NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings
Category
Self-Aligning Ball Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable
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15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Especificaciones del Producto{{ZKF_1}} Parámetro{{ZKF_1}} Detalles{{ZKF_1}}

N.º de modelo

Característica

Larga vida útil, alta velocidad, bajo nivel de ruido

Servicio{{ZKF_1}} OEM ODM{{ZKF_1}} Alineando{{ZKF_1}} Rodamiento No Alineado{{ZKF_1}} Separado{{ZKF_1}}

Sin separar

 Número de Filas{{ZKF_1}}

Individual

 Dirección de Carga{{ZKF_1}} Rodamiento Radial{{ZKF_1}}

Material

Acero para rodamientos

Ángulo de contacto

0

Paquete de transporte

Palé de cartón

Marca registrada{{ZKF_1}}

BDL

Origen{{ZKF_1}} China{{ZKF_1}} Código HS{{ZKF_1}}

8482102000

Capacidad de producción

1000000

29356.9039356.
Idoneidad de la Aplicación{{ZKF_1}} Industria{{ZKF_1}} Aplicaciones Típicas{{ZKF_1}} maquinaria de ingeniería {{ZKF_1}} automóviles {{ZKF_1}}
液压系统，自动化设备
传动系统部件
工业机械 输送机，钢铁冶金设备

Need Reliable NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings? Avoid Common Pitfalls

Finding the right bearing for your equipment can be frustrating—especially when dealing with multiple brands and complex specifications. Many buyers face delays from suppliers with limited inventory, or worse, receive bearings that fail prematurely due to poor material quality. When your production line depends on reliable components, these issues aren’t just inconvenient—they cost time and money.

Construido para un Rendimiento Consistente en Entornos Exigentes

Our self-aligning roller bearings are engineered to deliver long life, high speed, and low noise—key features for critical applications in工程机械 and industrial machinery. As a professional bearing supplier with ISO 9001 certified processes, we ensure each unit meets strict quality standards, from raw material inspection to final dimensional checks. Whether you need a single replacement or bulk orders, our extensive inventory supports quick turnaround, so you can keep your operations running without unnecessary downtime.

Dónde Este Rodamiento Funciona Mejor

Designed as a single-row radial bearing with a 0° contact angle, this model excels in applications with moderate radial loads and where shaft misalignment is minimal. Its unseparated design provides stability in rotating machinery, making it suitable for hydraulic systems, conveyors, and automotive传动 components. The bearing steel construction ensures durability even under continuous operation, reducing the risk of unexpected failures.

Detalles de ingeniería que influyen en la fiabilidad

Several key specifications contribute to this bearing’s performance. The use of high-grade bearing steel enhances surface hardness and wear resistance, directly affecting service life. The non-aligning design, while not suitable for significant shaft misalignment, offers precise load distribution for radial applications. With a focus on low noise operation, the bearing is ideal for equipment where sound levels are a concern, such as automated production lines. Additionally, the 0° contact angle optimizes radial load capacity, ensuring efficient power transmission in rotating systems.

Por qué elegir el rodamiento adecuado reduce el coste total

Opting for a quality bearing might seem like a higher upfront investment, but it pays off in the long run. Inferior bearings often fail early due to substandard materials or imprecise manufacturing, leading to unplanned downtime, maintenance costs, and potential damage to adjacent components. Our bearings, backed by rigorous testing, reduce these risks. By following ISO 281 standards for life calculation, we help you predict performance and plan maintenance, ultimately lowering your total cost of ownership.

Calidad en la que puedes confiar, respaldada por normas rigurosas

We stand behind our products with a comprehensive quality assurance process. All bearings undergo dimensional, hardness, and surface treatment inspections to ensure compliance with industry standards. Our ISO 9001 certification covers every step of production, from material selection to packaging. We offer a warranty against manufacturing defects, and our flexible OEM/ODM services allow customization to meet specific application requirements. With access to both international brands and our own BDL trademark, we can source or produce the exact bearing you need.

Packaging & Shipping

    Empaquetado en cajas de cartón sobre palés para garantizar un transporte seguro

  • Stock availability ensures prompt dispatch for urgent orders
  • Multiple shipping options: courier, air freight, or sea freight to match your timeline

    • Se admite un pedido mínimo reducido, ideal tanto para pequeñas reparaciones como para proyectos a gran escala

Get a Quote for NSK Timken 21305-21309EAE4 Bearings Today

Whether you need this specific model or another bearing type, we’re here to help. Provide us with the model number, required quantity, and delivery location, and our team will quickly prepare a competitive quote. With our extensive network of suppliers and in-house production capabilities, we can fulfill orders of any size—so don’t wait to secure the components your equipment needs.

Preguntas Frecuentes{{ZKF_1}}

P: ¿Suministran rodamientos de otras marcas o modelos?

A: Yes, we support inquiries for all bearing brands and models, including international brands like SKF, NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands. We can source or produce according to your specified brand or dimensions.

P: ¿Cómo puedo comprobar si este rodamiento es compatible con mi equipo?

A: Provide your equipment’s required bearing dimensions (bore diameter, outside diameter, width) or existing model number, and our technical team will verify compatibility with the NSK Timken 21305-21309EAE4 specifications.

P: ¿Cuál es su política de garantía?

A: We offer a warranty against manufacturing defects. Specific terms are outlined in each order contract, and defective products can be replaced or refunded upon inspection.

P: ¿Cuál es la cantidad mínima de pedido?

A: We support low minimum order quantities, including single-unit purchases, making it easy to source both small replacement parts and large bulk orders.

P: ¿Cuánto tiempo tarda el envío?

A: In-stock items ship immediately. Delivery time depends on the shipping method: courier (3-7 days), air freight (5-10 days), or sea freight (20-40 days), depending on your location.

Q: Can you customize bearings (OEM/ODM)?

A: Yes, we offer OEM/ODM services. We can produce bearings according to your drawings, specifications, or brand requirements.

Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or phone for immediate assistance.

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Mining & Heavy Industry

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Steel & Metallurgy

Rolling mill and continuous casting bearings rated for extreme temperatures, heavy loads, and aggressive lubricants.

Automotive & EV

Hub units, transmission, and electric motor bearings meeting TS 16949 requirements for passenger and commercial vehicles.

Precision Machinery

Machine tool spindle and robotics bearings with P4/P2 accuracy class for ultra-precise positioning and minimal vibration.

General Industrial

Pumps, fans, compressors, and conveyor systems across all manufacturing sectors requiring reliable, cost-effective bearing solutions.

01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

-- Get In Touch

Request a Technical Consultation & Quote

Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.

Address

No. 377 Bansongyuan Road, Huangpu District, Shanghai, China

Free Sample Program

Orders over $50K qualify for free product samples

Test against your KPIs before full production commitment. Ask our engineers for details.

Product Inquiry Form

Regarding: NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

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