Product Specifications
| Parameter |
Details |
| Model NO. |
21317EK |
| Width |
41mm |
| Transport Package |
10*10*10 |
| Specification |
21317EK |
Application Industries
| Industry |
Typical Equipment |
| Construction Machinery |
Excavators, Loaders, Bulldozers, Cranes |
Minimize Downtime with Self-Aligning Roller Bearing 21317EK for Construction Machinery
Construction sites can’t afford unexpected equipment failures. When bearings in excavators or loaders fail prematurely, projects get delayed, labor costs rise, and deadlines slip. Sourcing reliable replacement parts often means coordinating with multiple suppliers, each with different lead times and quality standards—adding unnecessary complexity to already tight schedules.
Genuine 21317EK Bearings, Available for Immediate Dispatch
The Self-Aligning Roller Bearing 21317EK with steel or brass cage is engineered to handle the heavy loads and misalignment common in construction machinery. As an official distributor for leading bearing brands, we maintain centralized inventory across 55+ countries, ensuring this critical component is ready for same-day processing. Our ISO 9001 quality inspection system verifies every bearing before shipment, eliminating the risk of receiving substandard parts.
Engineered for Heavy-Duty Construction Environments
This 21317EK Bearing is designed to perform in the harshest construction conditions. Its self-aligning capability compensates for shaft deflection and mounting errors, a frequent issue in equipment like hydraulic excavators and wheel loaders. The steel or brass cage options provide durability under high radial loads, while the 41mm width ensures stable operation even during extended periods of heavy use—essential for machinery that runs around the clock on major projects.
Key Technical Features That Maximize Equipment Reliability
The 21317EK’s specification as a self-aligning roller bearing means it can accommodate both radial loads and moderate axial loads, a critical combination for construction equipment axles and gearboxes. The choice between steel and brass cages allows optimization for specific operating conditions: steel cages offer higher temperature resistance for continuous operation, while brass cages provide smoother performance in high-speed applications like conveyor systems. Every unit undergoes precision testing to ensure dimensional accuracy, directly contributing to longer bearing life and reduced maintenance intervals.
Why Cutting Corners on Bearings Costs More in the Long Run
Non-genuine bearings may save money upfront, but they often fail within months in construction machinery. A single bearing failure in a critical component like an excavator arm can halt work for days, costing far more than the price of a quality replacement. Our 21317EK Bearings for Construction Machinery meet strict ISO standards, ensuring consistent performance and reducing the risk of unscheduled downtime. By investing in genuine parts, you protect your equipment’s integrity and keep your projects on track.
Your Trusted Partner for Industrial Bearings Since 2010
With over 12 years of experience serving 1,200+ clients across 55+ countries, we stand behind every bearing we supply. Our dual-brand authorization from top manufacturers guarantees traceability from production to delivery. Our cross-brand technical team provides free选型 support, helping you confirm the 21317EK is the right fit for your equipment. We offer unified quality certification for mixed orders, simplifying compliance for large-scale projects. When you need reliable bearings fast, our global logistics network ensures delivery within 3-7 business days.
Packaging & Shipping
- Original manufacturer packaging with product labels and batch information
- Reinforced outer cartons to prevent damage during transit
- Dispatch within 24 hours for in-stock items
- Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
- Full tracking provided from warehouse to delivery
- Minimum order quantity of 1 unit, ideal for emergency repairs
Keep Your Construction Equipment Running—Order Today
Every day your machinery is down costs time and money. The 21317EK Self-Aligning Roller Bearing is in stock and ready to ship. Send us your order details now, and we’ll handle the rest—from verification to delivery. Don’t let bearing issues slow your project down.
Frequently Asked Questions
Q: Are these genuine 21317EK bearings?
A: Yes, we are an officially authorized distributor, and every 21317EK bearing can be traced back to the original manufacturer. We provide complete authorization documentation upon request.
Q: How do I confirm if the 21317EK fits my construction equipment?
A: Provide your equipment model or technical specifications, and our cross-brand technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: All bearings come with the manufacturer’s standard warranty, covering manufacturing defects with unconditional replacement.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency repairs and bulk procurement.
Q: How long does shipping take?
A: In-stock 21317EK bearings are dispatched within 24 hours, with delivery in 3-7 business days via your choice of logistics.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with original packaging featuring security labels and laser markings. We also provide traceability documents for verification through the manufacturer’s official channels.
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