Double Row Cylindrical Roller Bearings RNU2212 for Construction Machinery with Brass Cage

Product Specifications

Application Industries

Minimize Downtime with RNU2212 Double Row Cylindrical Roller Bearings for Construction Machinery

Construction sites can't afford unexpected equipment failure. When bearings in excavators or loaders fail prematurely, projects stall, labor costs pile up, and deadlines slip. Sourcing reliable replacement bearings often means coordinating with multiple suppliers, each with different lead times and quality standards—complicating maintenance schedules and delaying repairs.

Double Row Cylindrical Roller Bearings RNU2212: Built for Heavy-Duty Construction Use

Our RNU2212 Double Row Cylindrical Roller Bearings with brass cages address these challenges directly. As an official distributor combining European industrial technology and Japanese OEM capacity, we maintain sufficient hot-selling stock to support quick turnaround for urgent maintenance needs. Designed specifically for construction machinery, these bearings deliver the durability required for heavy loads and harsh operating conditions, ensuring your equipment stays operational when you need it most.

Engineered for Construction Machinery's Toughest Conditions

Construction machinery operates in demanding environments—exposed to dust, vibration, and heavy axial loads. The RNU2212 bearing's separated design allows for easy installation and maintenance, while its non-aligning structure ensures stability under high stress. Whether used in excavator booms or loader axles, this bearing is built to withstand the continuous impact and variable loads typical of construction sites, reducing the risk of unexpected breakdowns.

Key Technical Features That Drive Performance

The RNU2212's brass cage provides superior strength and heat resistance compared to steel alternatives, maintaining structural integrity even at high operating temperatures. With a hardness of 60-64 HRC, the bearing steel construction ensures excellent wear resistance, extending service life in abrasive conditions. Clearance options from C0 to C5 allow customization to specific equipment requirements—whether you need tight precision for high-speed applications or additional tolerance for thermal expansion in heavy-duty use. Vibration grades Z1V1 to Z3V3 further ensure smooth operation, minimizing noise and reducing stress on connected components.

Avoid the Hidden Costs of Substandard Bearings

Choosing uncertified bearings may save money upfront, but the long-term costs are significant. Counterfeit or low-quality bearings often fail early, leading to expensive equipment repairs, project delays, and safety risks. Our products adhere to ISO 9001 quality control standards, ensuring consistent performance and reliability. By investing in genuine Double Row Cylindrical Roller Bearings RNU2212, you reduce total ownership costs through fewer replacements, less downtime, and improved equipment efficiency.

Why Construction Equipment Buyers Choose Us

Packaging & Shipping

• Carton pallet packaging for secure transport and storage
• Support for priority delivery of urgent components
• Centralized shipment with full logistics tracking
• Flexible shipping options including express, air, and sea freight
• Minimum order quantity accommodates both small maintenance needs and large-scale projects

Get Your RNU2212 Bearings Delivered Fast

Don't let equipment downtime derail your construction schedule. Send us your RNU2212 bearing requirements, including quantity and application details, and our team will provide a unified quotation within one working day. With sufficient stock on hand, we can arrange prompt delivery to get your machinery back to work quickly.

Frequently Asked Questions