Self-Aligning Roller Bearing 21317EK with Steel/Brass Cage for Construction Machinery

Product Specifications

Application Industries

Minimize Downtime with Reliable Self-Aligning Roller Bearing 21317EK for Construction Machinery

Construction sites face costly delays when equipment bearings fail prematurely. Misalignment issues in heavy machinery often lead to uneven wear, while low-quality bearings struggle to handle the shock loads of construction environments. Sourcing the right replacement bearings can mean coordinating with multiple suppliers, each with different lead times and quality standards—wasting valuable time when every hour of downtime impacts project deadlines.

Self-Aligning Roller Bearing 21317EK: Engineered for Heavy-Duty Performance

Our 21317EK self-aligning roller bearing is designed to address these challenges head-on. With a steel or brass cage option, it accommodates shaft misalignment common in construction machinery, reducing stress on adjacent components. As an official European bearing distributor, we maintain sufficient stock of precision bearings, ensuring you get the 21317EK bearing when you need it—without the delays of direct manufacturer minimum order quantities.

Optimal Performance in Demanding Construction Environments

The 21317EK self-aligning roller bearing excels in applications with heavy radial loads and moderate axial loads, typical of construction equipment like excavator booms and loader arms. Its self-aligning capability compensates for shaft deflection up to 2 degrees, maintaining performance even in uneven operating conditions. Whether operating in dusty job sites or under fluctuating temperatures, this bearing delivers consistent reliability where standard bearings fail.

Key Technical Features That Matter for Your Machinery

The 21317EK’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 allows customization: steel cages offer high strength for heavy shock loads, while brass cages provide better heat dissipation in continuous operation. As a self-aligning roller bearing, its design reduces friction compared to fixed bearings, lowering energy consumption and extending service life in equipment like conveyor systems and mixer drums.

Why Genuine 21317EK Bearings Reduce Total Cost of Ownership

Counterfeit bearings may offer lower upfront prices, but they often fail within months, leading to repeated replacements, unplanned downtime, and potential damage to expensive machinery. Our 21317EK bearings come with full certification documents, ensuring compliance with ISO 9001 and DIN standards. The precision testing procedures we implement—including dimensional checks and material verification—guarantee that each bearing meets original equipment specifications, reducing long-term maintenance costs and avoiding the hidden expenses of substandard parts.

Your Trusted Partner for Construction Machinery Bearings

Packaging & Shipping

• Original factory packaging with protective inner casing to prevent damage during transit
• Stock availability for prompt dispatch—typically within 3-7 working days for urgent orders
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight to match your timeline
• Full logistics tracking provided from warehouse to delivery, with real-time updates
• Minimum order quantity of 1 piece, ideal for emergency repairs or small-batch maintenance

Get Your 21317EK Bearing Shipped Today

Don’t let bearing issues slow down your construction project. Send us your 21317EK bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With our sufficient stock and streamlined procurement process, you can get the bearings you need to resume operations quickly—minimizing downtime and keeping your project on schedule.

Frequently Asked Questions