Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 Brass Cage for Metallurgical Machinery

Product Specifications

Application Industries

Minimize Downtime in Metallurgical Operations with NNU4936 B/Sp Double Row Cylindrical Roller Bearings

Metallurgical machinery operators face constant challenges with bearing failures—premature wear from heavy radial loads, overheating during continuous casting, and misalignment issues causing costly production halts. Sourcing reliable replacements often means coordinating with multiple suppliers, each with varying quality standards and delivery times, further delaying maintenance.

Precision-Engineered Bearings for High-Demand Metallurgical Environments

Our Double Row Cylindrical Roller Bearing NNU4936 B/Sp with brass cage is specifically designed to address these pain points. As an official authorized distributor for premium European brands, we maintain sufficient stock of P4/P2 grade bearings, ensuring you get the right component when you need it. The separated design allows for easy installation and maintenance, critical for minimizing downtime in rolling mills and continuous casting lines.

Engineered for the Rigors of Metallurgical Processes

This brass cage cylindrical roller bearing excels in environments with high radial loads and moderate axial displacement—common in metallurgical machinery like rolling mill stands and furnace conveyors. Its robust construction handles operating temperatures up to typical metallurgical process ranges, while the non-aligning design ensures stability in precision applications where shaft deflection must be controlled. The C3 clearance variant provides optimal internal space for thermal expansion during continuous operation, reducing the risk of seizure.

Technical Features That Drive Reliability

The bearing’s 60-64 HRC hardness ensures exceptional wear resistance, crucial for withstanding the abrasive particulate matter present in steel production. The brass cage offers superior heat dissipation compared to steel alternatives, maintaining structural integrity at high temperatures and preventing lubricant degradation. Available vibration grades Z1V1 to Z3V3 allow customization based on noise and precision requirements—Z3V3 for high-speed finishing mills where smooth operation is critical, or Z1V1 for heavy-duty applications prioritizing load capacity. The separated inner and outer rings simplify mounting, enabling quick更换 during emergency maintenance without disassembling adjacent components.

Why Authentic Bearings Matter in Metallurgical Operations

Using non-genuine bearings in metallurgical equipment creates hidden costs: premature failures can halt a continuous casting line for 8+ hours, resulting in thousands in lost production. Counterfeit components often lack proper heat treatment, leading to brinelling under heavy loads and catastrophic cage fracture. Our bearings comply with ISO 9001 and DIN standards, with each unit undergoing precision testing before shipment. This commitment to quality reduces the total cost of ownership by extending maintenance intervals and preventing unplanned downtime.

Your Trusted Partner for Industrial Bearings

Packaging & Shipping

• Industrial-grade carton packaging with pallet reinforcement for secure transportation
• 现货 available for delivery within 3-7 working days
• Global logistics options including DHL, FedEx, UPS, air freight, and sea freight
• Real-time tracking number provided upon shipment
• Minimum order quantity of 1 unit, supporting both maintenance and production requirements

Keep Your Metallurgical Equipment Running—Order Today

Every hour of downtime in metallurgical operations impacts your bottom line. Whether you need a single replacement bearing or a full maintenance kit, our one-stop procurement process simplifies sourcing. Send us your bearing designation, equipment details, and quantity—we’ll provide a unified quotation with complete documentation within one working day.

Frequently Asked Questions