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Minimize unplanned downtime in metallurgical machinery with our Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3, engineered to deliver exceptional durability under heavy radial loads. Crafted from high-grade bearing steel with 60-64 HRC hardness, this separated-type bearing ensures precise alignment and extended service life even in high-temperature industrial environments.
| Parameter | Details |
|---|---|
| Model NO. | Double Row Cylindrical Roller Bearing |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Spherical | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separated | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage | Brass, Steel |
| Vibration | Z1V1 Z2V2 Z3V3 |
| Hardness | 60-64 HRC |
| Transport Package | Carton Pallet |
| HS Code | 8482800000 |
| Industry | Typical Equipment |
|---|---|
| Metallurgical Machinery | Rolling Mills, Continuous Casters, Forging Presses |
| Industrial Automation | Heavy-Duty Gearboxes, Large-Scale Conveyors |
Metallurgical operations face critical challenges when bearings fail prematurely—unplanned downtime disrupts production schedules, and replacing low-quality components repeatedly increases maintenance costs. Sourcing reliable bearings for heavy-duty applications like rolling mills often means coordinating with multiple suppliers, leading to inconsistent delivery times and quality risks that affect your bottom line.
Our Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 is engineered to address these pain points. With 100% authentic products backed by official brand authorization, we maintain sufficient ready stock of precision-grade bearings to ensure rapid delivery. Each unit undergoes standardized precision testing before shipment, guaranteeing compliance with ISO 9001 and DIN standards—critical for maintaining the high performance required in metallurgical machinery.
This Double Row Cylindrical Roller Bearing excels in harsh conditions typical of metallurgical machinery, where high radial loads, shock impacts, and elevated temperatures are common. The separated design allows for easy installation and maintenance, while the 60-64 HRC hardness ensures exceptional wear resistance under continuous operation. Whether used in rolling mill stands or forging equipment, this bearing delivers stable performance to keep your production line running efficiently.
The NNU4936 B/Sp C3 bearing’s C3 clearance rating provides the necessary internal space to accommodate thermal expansion in high-temperature environments, preventing premature failure due to excessive heat buildup. Its brass or steel cage options offer durability and stability, ensuring proper roller guidance even at varying speeds. The non-aligning design is optimized for applications requiring precise shaft alignment, while the Z1V1 to Z3V3 vibration grades minimize operational noise and ensure smooth running—essential for maintaining equipment accuracy in critical metallurgical processes.
Choosing genuine 60-64 HRC Hardness Roller Bearings over counterfeit alternatives reduces long-term costs significantly. Counterfeit bearings often fail within months, leading to unplanned downtime, expensive repairs, and potential damage to adjacent components. Our bearings, however, come with full certification documentation and traceability, ensuring they meet original equipment specifications. By investing in authentic components, you avoid hidden costs associated with frequent replacements and production disruptions, ultimately lowering your total cost of ownership.
As an officially authorized premium bearing distributor, we have earned the trust of over 800 clients across 45 countries. Our senior application engineering team provides tailored support, from bearing selection to full-lifecycle technical guidance, ensuring optimal performance for your specific metallurgical application. We enforce strict quality control from incoming material verification to finished product delivery, and our professional shockproof logistics solutions preserve bearing accuracy during transportation. With a focus on long-term stable precision performance, we deliver the reliability that industrial operations demand.
Don’t let bearing failures disrupt your metallurgical production. Send us your order details, including quantity and application requirements, and our team will process your request within one working day. With our ready stock and global logistics network, you can minimize downtime and get your equipment back to peak performance quickly.
Q: Are these bearings 100% genuine?
A: Yes, we are an officially authorized distributor, and all products are 100% authentic with full traceability to the original manufacturer, including authorization certificates.
Q: How can I confirm if this bearing fits my metallurgical equipment?
A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our senior engineering team will verify compatibility and provide technical guidance at no cost.
Q: What is the warranty policy for this bearing?
A: We offer a warranty compliant with the original manufacturer’s standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: The minimum order quantity is 1 unit, allowing for emergency repairs and small-batch procurement needs.
Q: How long does shipping take?
A: For in-stock items, delivery typically takes 3-7 working days via DHL, FedEx, UPS, air, or sea freight, depending on your location.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with original packaging, laser-etched markings, and certification documents. You can cross-verify using the manufacturer’s official channels with the provided traceability information.
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