NTN 21309 Self-Aligning Roller Bearing cde4 cdke4 came4 camke4
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing

NTN 21309 Self-Aligning Roller Bearing cde4 cdke4 came4 camke4

Ensure smooth, reliable performance in your machinery with the NTN 21309 Bearing, designed to minimize vibration and extend equipment lifespan even under heavy loads. Its self-aligning roller design compensates for misalignment, reducing stress on shafts and housings to keep your operations running without costly interruptions.

  • Engineered with precision cde4, cdke4, came4, and camke4 variants to match specific application needs, ensuring optimal fit for industrial gearboxes, conveyors, and agricultural machinery.
  • NTN’s advanced manufacturing ensures consistent load distribution, lowering maintenance needs and maximizing uptime for your critical systems.

7
Day Prototype
vs. 8-12 wks standard
50+
Countries Served
Global logistics network
12h
Quote Response
Expert engineers on call
Typical Applications
Wind Power
Mining
Steel & Metallurgy
Automotive / EV
Rail Transit
Precision Machinery
Genuine SKF Bearings
NDA Protected
Free Sample for Orders > $50K
Global Shipping
Product Details

Especificações do Produto

Parâmetro

Detalhes

Tipo de Rolamento

Rolamento Autocompensador de Rolos

Número do Modelo

NTN 21309 cde4 cdke4 came4 camke4

Adequação de Aplicação

Indústria

Aplicações Típicas

Máquinas de Engenharia

Pontos de articulação do cilindro hidráulico, sistemas de transporte

Mineração

Metalurgia do Aço

Suportes de laminador, equipamento de lingotamento contínuo

Crusher eccentric shafts, vibrating screens

Need a Reliable NTN 21309 Self-Aligning Roller Bearing? Avoid These Common Pitfalls

Many buyers struggle with bearing replacement delays due to mismatched dimensions or poor quality alternatives that fail prematurely. Sourcing from multiple suppliers to compare brands and lead times only adds complexity to maintenance schedules.

Engineered for Heavy-Duty Performance in Misaligned Conditions

The NTN 21309 self-aligning roller bearing addresses these challenges with its ability to accommodate shaft misalignment, a critical feature in industrial machinery. As a supplier with ISO 9001 certified quality processes and access to full brand portfolios, we ensure you get the exact specifications you need—whether matching existing NTN components or cross-referencing with other major brands.

Optimal Performance in High-Load Rotating Applications

This bearing excels in applications with radial loads and moderate axial loads, operating effectively within typical industrial temperature ranges. Its self-aligning capability compensates for installation errors or shaft deflection, making it ideal for heavy machinery like conveyors, crushers, and hydraulic systems where precise alignment is difficult to maintain.

Principais Características de Engenharia para Longa Vida Útil

The 21309 series incorporates a robust roller design that distributes load evenly across the raceway, reducing stress concentrations and extending fatigue life. The cage configuration maintains proper roller spacing during operation, minimizing friction and heat generation. Precision manufacturing ensures consistent dimensional tolerances, allowing for straightforward interchangeability with original equipment specifications. This attention to detail translates to reliable performance in demanding industrial environments where equipment downtime is costly.

Why Proper Bearing Selection Lowers Total Ownership Costs

Choosing the right self-aligning roller bearing directly impacts operational efficiency. A correctly specified bearing reduces unplanned downtime caused by premature failure, while its load-handling capacity prevents overloading of adjacent components. Following ISO 281 standards for bearing life calculation helps predict maintenance intervals, allowing for scheduled replacements that minimize production disruptions. Investing in quality bearings ultimately lowers long-term costs by reducing repair frequency and associated labor expenses.

Qualidade em que você pode confiar

Our NTN 21309 bearings undergo comprehensive quality checks, including material verification and dimensional accuracy testing, as part of our ISO 9001 compliant processes. Each bearing comes with a manufacturer-backed warranty covering manufacturing defects. With access to extensive inventory and multiple brand options, we can fulfill orders ranging from single units to large-scale requirements, ensuring consistent supply for both maintenance and production needs.

Packaging & Shipping

    Embalagem industrial padrão adequada para transporte seguro

  • Available for immediate dispatch from stock
  • Opções de envio flexíveis, incluindo courier expresso, frete aéreo e frete marítimo

  • Low minimum order quantity supported for small maintenance requirements

Get Your NTN 21309 Bearing Quote Today

Provide your exact model requirements, quantity, and delivery location, and we’ll promptly send you a competitive quote. Whether you need the NTN 21309 or equivalent specifications from other brands, our cross-referencing service ensures you get the right bearing for your application. Early order confirmation helps secure stock and expedite delivery.

Perguntas Frequentes

Q: Do you supply bearings from other brands besides NTN?

A: Yes, we provide bearings across all major international and domestic brands. We can source specific models as per your requirements.

Q: Como posso confirmar se este rolamento se encaixa no meu equipamento?

A: Share your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility.

P: Qual cobertura de garantia vocês oferecem?

A: We provide a standard warranty against manufacturing defects. Specific terms are detailed in our sales agreement.

Q: Qual é a quantidade mínima de pedido?

A: We accept small orders, including single units, to support maintenance needs.

Q: Com que rapidez você pode enviar este rolamento?

A: Stock items ship within 1-2 business days. Shipping time depends on your location and chosen delivery method.

Q: Você pode fornecer soluções personalizadas de rolamentos?

A: Yes, we support OEM/ODM requirements based on provided drawings or technical specifications.

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.

Product Summary
Product Name
NTN 21309 Self-Aligning Roller Bearing cde4 cdke4 came4 camke4
Category
Thrust Self-aligning Roller Bearing
Brand
SKF
Certification
ISO 9001 · TS 16949
Lead Time
7 Working Days
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Our engineers will respond within 12 hours with a tailored solution.

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Why SKF China

The engineering partner advantage

7 Days
Prototype Lead Time
vs. 8-12 weeks via standard channels
15+
Certified Engineers
SKF-certified, on-call for your project
50+
Countries Delivered
Reliable global logistics network
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