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Spherical Roller Bearing
Self-Aligning Roller Bearing 21317EK with Steel/Brass Cage for Construction Machinery
<p>Minimize construction machinery downtime with the reliable <strong>Self-Aligning Roller Bearing 21317EK</strong>, engineered to maintain peak performance in heavy-duty applications. Its self-aligning design compensates for shaft misalignment, reducing wear and extending equipment lifespan—so your projects stay on schedule without unexpected interruptions.</p> <ul> <li>Choose between steel or brass cages to optimize for your specific load conditions and operating environment</li> <li>Precision-engineered 41mm width ensures stable power transmission in high-torque construction equipment</li> <li>Backed by our dual-brand quality control system, ensuring consistent reliability across your entire bearing inventory</li> </ul>
- Category
- Spherical Roller Bearing
- Lead Time
- 7-15 Days
- MOQ
- 1 Piece
- Supply
- In Stock
- Auth.
- Official Dist.
Product Description
Product Specifications
| Parameter | Details |
|---|---|
| Model NO. | 21317EK |
| Width | 41mm |
| Specification | 21317EK |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Construction Machinery | Excavators, Loaders, Bulldozers, Cranes |
| Mining | Conveyors, Crushers, Screening Equipment |
| Heavy Machinery | Industrial Gearboxes, Material Handling Systems |
Minimize Downtime with Reliable Self-Aligning Roller Bearing 21317EK for Construction Machinery
Construction sites can't afford unexpected equipment failures. When a bearing in your excavator or loader fails prematurely, it leads to costly downtime, missed deadlines, and increased maintenance expenses. Sourcing genuine bearings often means dealing with multiple suppliers, inconsistent lead times, and uncertainty about product authenticity—challenges that slow down your operations.
21317EK Bearing: In Stock and Ready for Immediate Shipment
Our Self-Aligning Roller Bearing 21317EK is designed to address these pain points directly. As an official authorized distributor of SKF & NTN, we maintain sufficient hot-selling stock to support urgent maintenance needs. This 21317EK bearing, available with both steel and brass cages, is engineered to perform in the demanding conditions of construction machinery, where misalignment, heavy loads, and shock forces are common.
Engineered for Construction Machinery's Toughest Conditions
The Self-Aligning Roller Bearing 21317EK excels in applications where shaft misalignment occurs, such as in the gearboxes and pivot points of construction equipment. Its self-aligning capability compensates for angular errors, reducing stress on the bearing and extending service life. Whether operating under heavy radial loads, moderate axial loads, or in dusty, vibrating environments, this bearing delivers consistent performance to keep your machinery running.
Key Technical Features That Matter
The 21317EK bearing's 41mm width provides a stable platform for load distribution, critical for withstanding the dynamic forces in construction machinery. The choice between steel and brass cages offers flexibility: steel cages provide durability in high-temperature environments, while brass cages offer superior strength and heat dissipation for heavy-load applications. As a self-aligning roller bearing, it accommodates misalignment up to 2-3 degrees, reducing wear on shafts and housings compared to fixed bearings.
Avoid the Hidden Costs of Counterfeit Bearings
Choosing non-genuine 21317EK bearings may seem cost-effective initially, but the risks are significant. Counterfeit bearings often fail prematurely due to poor material quality and imprecise manufacturing, leading to equipment breakdowns. The resulting downtime can cost thousands in lost productivity, not to mention repair costs and safety risks. Our bearings, sourced through official channels, adhere to ISO 9001 quality standards, ensuring you pay for reliability, not replacement.
Why 1,100+ Clients Across 50+ Countries Trust Us
We stand behind every bearing we supply with dual-brand official authorization from SKF and NTN, ensuring full traceability from manufacturer to end-user. Our unified ISO 9001 quality control system includes incoming inspections and pre-shipment checks to guarantee performance. With 1,100+ clients in over 50 countries, we offer cross-brand selection guidance and flexible OEM customization to meet specific project needs. Our centralized procurement process reduces supplier management costs, making us a preferred partner for multi-brand bearing sourcing.
Packaging & Shipping
- Secure packaging to prevent damage during transit
- Stock availability for 3-7 business day delivery
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece to support emergency repairs
Restore Your Machinery's Performance Today
Don’t let bearing issues delay your construction projects. The longer your equipment is down, the more revenue you lose. Contact us with your 21317EK bearing requirements, and we’ll confirm stock availability and provide a quotation within one working day. Get genuine, reliable bearings delivered when you need them.
Frequently Asked Questions
Q: Are these 21317EK bearings genuine?
A: Yes, we are an official authorized distributor of SKF & NTN, and every bearing can be traced to the original manufacturer with complete authorization documentation.
Q: How do I confirm if the 21317EK is suitable for my equipment?
A: Provide your equipment model or operating conditions (load, speed, misalignment), and our technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: We offer the manufacturer’s standard warranty, covering manufacturing defects with unconditional replacement if issues arise.
Q: What is the minimum order quantity for the 21317EK?
A: We accept orders starting from 1 piece, ideal for emergency maintenance needs.
Q: How quickly can you ship the 21317EK bearing?
A: In-stock bearings are shipped within 3-7 business days, with flexible logistics options to meet your urgency.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with original packaging, serial numbers, and documentation. We can also provide verification support through official brand channels.
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Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
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Self-Aligning Roller Bearing 21317EK with Steel/Brass Cage for Construction Machinery
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Headquarters
SHANDONG YOKO BEARING CO., LTD.
Jinan Pilot FTZ, Shandong, China
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