Double Row Cylindrical Roller Bearing NNU4920 B/Sp C3 W33 for Industrial Machinery with Brass Cage

Product Specifications

Application Suitability

Finding the Right Double Row Cylindrical Roller Bearing NNU4920 B/Sp for Your Machinery?

Industrial machinery operators often face challenges with bearing selection—size mismatches leading to installation delays, unclear clearance requirements causing premature wear, and limited supplier options forcing compromise on quality. When critical equipment relies on precise bearing performance, these issues can result in costly downtime and maintenance.

Double Row NNU4920 B/Sp Bearing: Engineered for Industrial Reliability

This Double Row Cylindrical Roller Bearing with brass cage addresses common industrial pain points through its robust design and versatile specifications. With ISO 9001 certified production processes, our bearings meet strict quality standards, ensuring compatibility with industrial machinery across sectors like steel mills and mining equipment. The separated structure allows for easy mounting and dismounting, simplifying maintenance procedures in heavy-duty applications.

Optimal Performance in Demanding Industrial Conditions

Designed for axial load handling in medium to large machinery (120-190mm outer dimension), this bearing excels in high-torque environments where precision and durability are critical. Its non-aligning design makes it suitable for applications with minimal shaft misalignment, while the C3 clearance option provides flexibility for thermal expansion in high-temperature operating conditions common in steel production and industrial processing.

Key Engineering Features That Enhance Machinery Performance

The brass cage construction offers superior strength and heat dissipation compared to standard steel cages, reducing friction and extending service life in continuous operation. Bearing steel material with 60-64 HRC hardness ensures excellent wear resistance, critical for handling heavy loads in mining and construction equipment. The availability of multiple clearance grades (C0-C5) allows precise matching to specific application requirements, from tight tolerance machinery to those needing thermal expansion allowance. Vibration grades Z1V1 to Z3V3 provide options for noise-sensitive environments, ensuring smooth operation in precision industrial settings.

Why Choosing the Right Cylindrical Roller Bearing Lowers Total Costs

Selecting a properly specified bearing directly impacts machinery uptime and maintenance expenses. A bearing with incorrect clearance can lead to overheating and early failure, while substandard materials result in frequent replacements. This Industrial Machinery Bearing, with its brass cage and precise manufacturing, minimizes these risks by maintaining consistent performance under load. By following ISO 281 fatigue life standards, it reduces the likelihood of unplanned downtime, lowering long-term operational costs compared to cheaper alternatives that compromise on material quality or dimensional accuracy.

Quality Assurance You Can Trust

Packaging & Shipping

• Packaged in carton pallets to ensure safe transportation and storage
• Spot inventory available for prompt dispatch of standard specifications
• Flexible shipping options including express courier, air freight, and sea freight
• Low minimum order quantity supported, accommodating both small-scale maintenance and large production requirements

Get Pricing for Your NNU4920 B/Sp Bearing Requirement

Whether you need a single replacement or bulk order of the Double Row Cylindrical Roller Bearing NNU4920 B/Sp, provide your specific requirements including quantity and delivery location. Our team will promptly confirm availability and provide a competitive quote, ensuring you get the right bearing when you need it.

Frequently Asked Questions