Double Row Cylindrical Roller Bearing NN3022 TN9/SP W33 for Steel Mills Machinery

Product Specifications

Application Suitability

Challenges in Sourcing Reliable Double Row Cylindrical Roller Bearings for Steel Mills

Steel mill machinery operates under extreme conditions—heavy loads, high temperatures, and continuous operation leave no room for bearing failure. Yet many procurement teams struggle with finding bearings that match original specifications, facing issues like incompatible dimensions, questionable material quality, or long lead times for specialized models like the NN3022 TN9/SP W33.

Engineered for Steel Mill Machinery's Demands

This Double Row Cylindrical Roller Bearing addresses these challenges with precision-engineered features tailored for steel mill applications. As part of our comprehensive bearing portfolio, it benefits from our ISO 9001-certified quality control processes and ability to source across major international standards. The separated design allows for easy installation and maintenance, critical in downtime-sensitive steel production environments.

Optimal Performance in Heavy-Duty Conditions

Designed to handle axial loads in medium to large machinery (120-190mm outer dimension range), this bearing excels in high-stress applications like rolling mills and conveyor systems. Its non-aligning design ensures stability under radial loads, while the 60-64 HRC hardness rating provides the wear resistance needed for continuous operation in dusty, high-temperature steel mill environments.

Key Engineering Features for Reliability

The bearing's cage options—brass or steel—offer flexibility based on operating conditions: brass cages provide better heat dissipation for high-temperature applications, while steel cages offer enhanced strength for heavy shock loads. Available clearance grades (C0 to C5) allow precise matching to equipment requirements, preventing premature failure from under/over-fitting. Vibration grades Z1V1 to Z3V3 ensure smooth operation, reducing noise and extending machinery life by minimizing unnecessary wear.

The True Cost of Bearing Selection in Steel Mills

Choosing the right Double Row Cylindrical Roller Bearing directly impacts total operational costs. A bearing with improper clearance or insufficient hardness can lead to early failure, causing unplanned downtime that costs steel mills thousands in lost production. This bearing's adherence to international dimensional standards and rigorous material testing helps avoid these hidden costs, ensuring longer service intervals and predictable maintenance schedules.

Quality Assurance You Can Verify

Packaging & Shipping

• Packaged in cartons on pallets for secure transport
• Stock availability supports prompt order fulfillment
• Flexible shipping options including express, air, and sea freight
• Low minimum order quantity to accommodate both trial and bulk purchases

Get Your Double Row Cylindrical Roller Bearing Quote Today

Whether you need the NN3022 TN9/SP W33 model or other steel mill bearings, provide your required specifications—dimensions, quantity, and application details—and our technical team will confirm compatibility and deliver pricing. With our global supply chain, we ensure you get the right bearing when you need it.

Frequently Asked Questions