Double Row Cylindrical Roller Bearing Nu308-Nu309 EC with C3 Clearance for Industrial Machinery Precision

Product Specifications

Application Industries

Prevent Costly Downtime with Nu308-Nu309 EC Double Row Cylindrical Roller Bearings

Industrial machinery operators know the frustration of unexpected shutdowns caused by bearing failure. Sourcing reliable replacements often means coordinating with multiple suppliers, facing inconsistent quality standards, and waiting weeks for critical components. When your production line is idle, every day counts—especially when dealing with hard-to-find precision bearings like the Nu308 and Nu309 EC series.

Precision Bearings in Stock for Immediate Shipment

Our Double Row Cylindrical Roller Bearings with C3 clearance are designed to address these challenges directly. As an official authorized distributor, we maintain sufficient stock of P4/P2 grade bearings, including the Nu308 EC and Nu309 EC models, ensuring you get the right part when you need it. Each bearing undergoes precision testing procedures compliant with ISO 9001 and DIN standards, guaranteeing performance in industrial machinery applications like gearboxes and motor spindles.

Engineered for Heavy-Duty Industrial Applications

These bearings excel in high-load environments where axial rigidity and precision are critical. The separated design allows for easy mounting and dismounting, simplifying maintenance in tight spaces. With a hardness of 60-64 HRC, they withstand continuous operation under heavy loads, making them ideal for industrial machinery that operates around the clock. Whether your equipment requires medium or large outer dimensions (120-190mm), these bearings deliver consistent performance under stress.

Key Technical Features That Matter

The C3 clearance rating is particularly important for applications with temperature variations, as it allows for thermal expansion without compromising bearing integrity. This feature prevents premature failure in machinery that experiences fluctuating operating temperatures. The cage options—brass or steel—offer flexibility: brass cages provide superior strength for high-speed applications, while steel cages offer cost-effectiveness for general industrial use. Vibration class Z1V1 to Z3V3 ensures smooth operation, reducing noise and extending equipment lifespan by minimizing unnecessary wear.

Why Genuine Bearings Reduce Total Cost of Ownership

Choosing genuine Double Row Cylindrical Roller Bearings over counterfeit alternatives eliminates hidden costs. Fake bearings often fail within months, leading to repeated downtime, replacement labor, and potential damage to adjacent components. Our bearings come with full certification documents, ensuring compliance with international standards and reducing the risk of equipment failure. The initial investment in authentic bearings pays off through longer service life and fewer interruptions to your production schedule.

Your Trusted Partner for Industrial Bearings

Packaging & Shipping

• Carton pallet packaging with protective measures to prevent damage during transit
• Stock items shipped within 3-7 working days for urgent maintenance needs
• Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time logistics tracking provided for all orders
• Minimum order quantity of 1 piece, supporting both small repairs and large-scale projects

Get Your Nu308-Nu309 EC Bearings Today

Don’t let equipment downtime affect your bottom line. Send us your bearing requirements, including model, quantity, and application details, and our team will provide a unified quotation within one working day. With our stock on hand, you can minimize downtime and get your machinery back to full operation quickly.

Frequently Asked Questions