Double Row Cylindrical Roller Bearing NN3008/NN3009 Tn/Sp for Precision Spindle with C3 Clearance and Brass Cage

Product Specifications

Application Industries

NN3008/NN3009 Tn/Sp Double Row Cylindrical Roller Bearings: Solving Precision Spindle Downtime

Precision spindle operators know the cost of bearing failure—unplanned downtime, scrapped workpieces, and missed production deadlines. Sourcing reliable double row cylindrical roller bearings with consistent C3 clearance and durable brass cages often means coordinating with multiple suppliers, each with different lead times and quality standards. When maintenance teams need urgent replacements, cross-brand compatibility issues frequently delay repairs, extending equipment idle time.

Precision Spindle Bearings in Stock: C3 Clearance, Brass Cage, Ready to Ship

Our NN3008 Tn/Sp and NN3009 Tn/Sp double row cylindrical roller bearings address these challenges directly. As an official authorized distributor of SKF & NTN, we maintain sufficient hot-selling stock of precision spindle bearings, ensuring you get the exact C3 clearance and brass cage configuration your equipment requires without lengthy lead times. Whether for CNC machine tool spindles or high-speed motor applications, our unified ISO 9001 quality control system guarantees each bearing meets original equipment specifications.

Optimal Performance in High-Precision Rotating Applications

These double row cylindrical roller bearings excel in precision spindle environments where radial load capacity and rotational accuracy are critical. Designed for medium to large outer dimensions (120-190mm), they deliver stable performance under continuous high-speed operation, making them ideal for machinery requiring minimal vibration and maximum rigidity. The separated design allows for easy mounting and dismounting during maintenance, reducing downtime during bearing replacement.

Technical Features That Ensure Spindle Reliability

The C3 clearance rating provides the necessary internal space to accommodate thermal expansion in high-speed applications, preventing premature failure due to friction and heat buildup. Brass cages offer superior strength and heat resistance compared to standard steel alternatives, maintaining structural integrity even under extreme operating temperatures. With a hardness of 60-64 HRC, the bearing steel construction ensures excellent wear resistance, while Z1V1 to Z3V3 vibration grades allow selection based on precision requirements—from general machinery to high-end spindle applications.

Why Genuine Bearings Lower Total Cost of Ownership

Counterfeit double row cylindrical roller bearings may offer lower upfront prices, but they often fail prematurely due to substandard materials and imprecise manufacturing. A single spindle failure from a fake bearing can cost thousands in production losses, not counting repair labor and potential damage to adjacent components. Our genuine bearings, traceable to the original manufacturer, provide consistent performance over their full service life, reducing long-term maintenance costs and unplanned downtime. Each bearing comes with complete documentation, ensuring compliance with industrial quality standards.

Your Trusted Partner for Multi-Brand Bearing Solutions

Packaging & Shipping

• Carton pallet packaging with protective internal cushioning
• Stock items shipped within 3-7 working days
• Global logistics options including DHL, FedEx, UPS, air, and sea freight
• Real-time tracking number provided upon dispatch
• Minimum order quantity of 1 piece, supporting emergency maintenance needs

Get Your Precision Spindle Bearings Today

Don’t let equipment downtime erode your productivity. Whether you need NN3008 Tn/Sp or NN3009 Tn/Sp bearings for scheduled maintenance or emergency repairs, our in-stock inventory ensures quick delivery. Send us your bearing designation and application details, and our technical team will confirm compatibility and provide a quote within 24 hours.

Frequently Asked Questions