SKF China
NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings
ISO 9001 Certified
TS 16949
Genuine SKF
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Thrust Self-aligning Roller Bearing

NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings

Keep your machinery running smoothly with reliable Self-Aligning Roller Bearings designed to minimize downtime and reduce maintenance headaches. The NSK Timken 21305-21309EAE4 series automatically compensates for shaft misalignment, ensuring consistent performance even in challenging operating conditions.

  • Engineered with EAE4 cage technology for enhanced durability and heat resistance during high-load operations
  • Reduces friction-related wear to extend equipment lifespan, lowering long-term replacement costs
  • Precision-machined raceways ensure quiet operation, ideal for noise-sensitive environments

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

Spécifications du produit

Paramètre

Détails

Adéquation de l'application

Industrie

Applications typiques

Machines de construction

Points de pivotement de vérin hydraulique, systèmes de convoyage

Énergie éolienne

Exploitation minière

Métallurgie de l'acier

Cages de laminoir, équipement de coulée continue

Pitch control mechanisms, yaw drives
Crusher bearings, vibrating screens

Need Reliable Self-Aligning Roller Bearings? Here’s What You Should Know

Selecting the right self-aligning roller bearing can mean the difference between smooth operation and costly downtime. Many buyers struggle with finding accurate replacements across different brand specifications, while others face premature failures due to poor material quality. Sourcing from multiple suppliers to compare options only adds unnecessary complexity to the procurement process.

Your Solution for Diverse Bearing Requirements

The NSK Timken 21305-21309EAE4 self-aligning roller bearings address these challenges through our comprehensive supply capabilities. As a professional bearing supplier with ISO 9001 certified quality processes, we maintain extensive inventory covering both international brands and domestic equivalents. Whether your application requires the precision of NSK, the durability of Timken, or another specific brand, our one-stop procurement service eliminates the need for multiple vendor relationships.

Performance optimale dans des conditions exigeantes

These self-aligning roller bearings excel in applications with misalignment, heavy radial loads, and moderate axial loads. Their design accommodates angular deviations up to 2-3 degrees, making them ideal for equipment like vibrating screens in mining operations or conveyor systems in steel plants. Operating temperatures typically range from -30°C to 120°C, ensuring reliability in both indoor industrial environments and outdoor construction sites.

Caractéristiques techniques clés expliquées

The 21305-21309EAE4 series incorporates several critical design elements that impact performance. Their double-row construction distributes loads evenly across rolling elements, enhancing load-carrying capacity compared to single-row designs. The crowned outer ring raceway allows for the self-aligning functionality that compensates for shaft deflection and mounting errors. Precision-ground surfaces ensure proper load distribution and minimize vibration, while the EAE4 suffix indicates enhanced internal geometry optimized for high-speed applications. These engineering details directly contribute to longer service life and reduced maintenance requirements.

Le coût total de possession est le plus important

Choosing the right self-aligning roller bearing affects more than just initial purchase price. Inferior bearings with substandard material hardness or imprecise dimensions often lead to early wear, resulting in unplanned maintenance, production downtime, and potential damage to adjacent components. Our bearings undergo rigorous testing for dimensional accuracy, surface hardness, and load capacity, aligning with international standards to ensure predictable performance. By investing in quality bearings, you reduce the total cost of ownership through extended service intervals and fewer replacements.

Qualité sur laquelle vous pouvez compter

Our quality assurance process begins with raw material inspection and continues through every production stage. Finished bearings undergo comprehensive testing including dimensional verification, hardness testing, and surface treatment evaluation. We provide a standard warranty covering manufacturing defects, with clear terms outlined in each sales agreement. Our supply chain includes both direct factory channels and authorized distributors, ensuring genuine products that meet original equipment specifications. With substantial inventory across major bearing types, we can fulfill most standard orders within 24-48 hours.

Packaging & Shipping

    Emballage industriel standard avec protection pour éviter les dommages pendant le transport

  • Same-day shipping for in-stock items upon order confirmation
  • Options logistiques flexibles comprenant le transport express, le fret aérien et le fret maritime

  • Low minimum order quantity allowing for both trial samples and full production runs

Get Your Bearing Requirements Met Today

Whether you need the NSK Timken 21305-21309EAE4 series specifically or other self-aligning roller bearings, we can provide competitive pricing and reliable delivery. Share your exact model number, required dimensions (bore x outer diameter x width), and quantity, and our technical team will confirm availability and specifications to ensure proper fit for your application.

Foire aux questions

Q : Fournissez-vous des roulements d'autres marques que et

?

A: Yes, we offer procurement services for all major international brands including SKF, NTN, Koyo, NACHI, IKO, FAG as well as domestic quality brands, according to customer specifications.

Q: How can I confirm if this bearing will fit my equipment?

A: Provide your equipment model or existing bearing dimensions (d x D x B), and our engineering team will cross-verify with manufacturer specifications to ensure compatibility.

Q : Quelle couverture de garantie offrez-vous ?

A: We offer a standard warranty against manufacturing defects. Specific terms and duration are detailed in each sales contract, with replacement or refund available for confirmed quality issues.

Q : Quelle est la quantité minimale de commande pour ces roulements ?

A: We support low minimum order quantities, starting from single units for emergency replacements up to full container loads for regular production needs.

Q: Dans quels délais pouvez-vous expédier et quels modes de livraison sont disponibles?

A: In-stock items ship within 1-2 business days. We offer express courier for urgent orders, air freight for medium-volume shipments, and sea freight for cost-effective large quantities.

Q: Proposez-vous des solutions de roulements personnalisées ?

A: Yes, we support OEM/ODM customization based on customer-provided drawings, specifications, or sample requirements for specialized applications.

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 our online form for prompt assistance.

Product Summary
Product Name
NSK Timken 21305-21309EAE4 Self-Aligning Roller Bearings
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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