Double Row Cylindrical Roller Bearing NN3020 K TN9/SP for High-Precision Industrial Machinery

Product Specifications

Application Suitability

NN3020 K TN9/SP Double Row Cylindrical Roller Bearing: Solving Precision Machinery Challenges

Selecting the right high-precision bearing often means the difference between smooth operation and unexpected downtime. Many buyers struggle with finding bearings that maintain accuracy under heavy loads, or face delays when sourcing specific models. When a double row cylindrical roller bearing fails prematurely, it can disrupt entire production lines—not just the single machine it supports.

Engineered for High-Precision Industrial Machinery Performance

This Double Row Cylindrical Roller Bearing NN3020 K TN9/SP addresses these challenges with its robust design and precise manufacturing. As part of our comprehensive bearing range, it benefits from our ISO 9001 certified quality control processes, ensuring consistent performance. With dimensions in the medium and large range (120-190mm), it fits seamlessly into various high-precision industrial machinery applications, where reliability and load capacity are critical.

Optimal Conditions for This High-Precision Bearing

The NN3020 K TN9/SP Roller Bearing excels in environments requiring axial load support and precise alignment. Its non-aligning design makes it ideal for machinery where shaft deflection is minimal, such as precision lathes, milling machines, and industrial gearboxes. Operating within standard industrial temperature ranges, it maintains its 60-64 HRC hardness and load-bearing capabilities, ensuring stable performance even during extended use.

Key Engineering Features for Reliable Operation

The bearing's separated design allows for easy installation and maintenance, a critical advantage in high-precision setups where component handling must be precise. Its brass or steel cage options provide durability—brass offering better heat dissipation for high-speed applications, while steel provides enhanced strength for heavy-load scenarios. The availability of clearance grades (C0 to C5) ensures compatibility with different operating conditions, from tight tolerance requirements to applications needing thermal expansion allowance. Vibration classes Z1V1 to Z3V3 further allow customization based on noise and smoothness demands.

Total Cost Impact of Choosing the Right Bearing

Investing in a high-quality Double Row Cylindrical Roller Bearing reduces long-term costs significantly. Inferior bearings with inconsistent hardness or poor clearance control often lead to premature wear, requiring frequent replacements and unplanned downtime. This bearing's 60-64 HRC hardness ensures resistance to wear, while its precision manufacturing minimizes vibration-related stress on machinery components. By meeting ISO standards for dimensional accuracy, it avoids the costs of misalignment damage and ensures interchangeability with major international standards, simplifying future replacements.

Quality Assurance You Can Trust

Packaging & Shipping

• Packaged in carton pallets to ensure protection during transit
• Available for same-day shipping for in-stock items
• Flexible delivery options including express courier, air freight, and sea freight
• Low minimum order quantity supported, accommodating both small and large scale requirements

Get Your NN3020 K TN9/SP Bearing Quote Today

To ensure you receive the correct Double Row Cylindrical Roller Bearing for your application, provide us with the model number, required quantity, and delivery location. Our team will confirm availability and provide a competitive quote promptly. With our extensive network, we can also assist with sourcing other bearing types or brands to meet all your industrial needs.

Frequently Asked Questions