Product Specifications
| 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 |
| HS Code |
8482800000 |
Application Industries
| Industry |
Typical Equipment |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters, Furnace Equipment |
| Industrial Machinery |
Heavy Duty Gearboxes, Press Machines, Extruders |
Minimize Downtime with Reliable NNU4936 B/Sp C3 Double Row Cylindrical Roller Bearing for Metallurgical Machinery
Metallurgical operations face critical challenges when bearings fail—unplanned shutdowns of rolling mills or continuous casters can cost thousands in lost production. Many buyers struggle with inconsistent quality from generic suppliers, where non-standard clearances or subpar materials lead to premature wear under high-temperature, heavy-load conditions. Sourcing specialized bearings like the NNU4936 B/Sp C3 often means navigating high minimum order quantities and long lead times, delaying urgent repairs.
Engineered for Metallurgical Machinery’s Toughest Conditions
Our Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 is specifically designed to address these pain points. As a professional bearing manufacturer with decades of export experience, we produce this non-aligning double row bearing to meet the rigorous demands of metallurgical equipment. The separated design allows for easy installation and maintenance, while the C3 clearance ensures optimal performance under thermal expansion common in steel mill environments. Whether for rolling mill stands or continuous casting machines, this bearing delivers the stability needed to keep your production line running.
Optimal Performance in High-Load, High-Temperature Environments
This NNU4936 B/Sp C3 cylindrical roller bearing excels in the harsh conditions of metallurgical machinery, where it withstands heavy radial loads and moderate axial loads. Operating temperatures in steel mills often exceed 100°C, making the 60-64 HRC hardness of our bearing steel crucial for maintaining dimensional stability. The Z2V2 vibration grade minimizes noise and ensures smooth operation, even at high rotational speeds typical in rolling applications. Choosing the right bearing directly impacts equipment uptime—our double row cylindrical roller bearing is engineered to handle these extreme工况 without compromise.
Technical Features That Ensure Long Service Life
The performance of the NNU4936 B/Sp C3 stems from critical technical details. The C3 clearance is specifically selected to accommodate thermal expansion in metallurgical processes, preventing excessive internal stress that leads to early failure. Brass or steel cages provide robust guidance for the rollers, ensuring even load distribution and reducing friction. With vibration levels controlled to Z2V2 standards, the bearing operates quietly, minimizing wear on adjacent components. The separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance in tight machinery spaces—key for reducing downtime during scheduled repairs.
Why Authenticity Matters for Metallurgical Bearings
Using counterfeit or substandard cylindrical roller bearings in metallurgical equipment carries hidden costs. A single bearing failure can halt a rolling mill, resulting in production losses that far exceed the initial savings on a cheap component. Our bearings meet ISO international industrial standards, with strict incoming material inspection and full-process production supervision. Each NNU4936 B/Sp C3 bearing undergoes dimensional detection and performance testing in our in-house laboratory, ensuring it meets the load and speed requirements of your machinery. Investing in genuine, high-quality bearings reduces total cost of ownership by extending service intervals and preventing catastrophic failures.
Saifan Bearings: Your Trusted Partner for Industrial Bearings
With over 18 years of manufacturing experience, we supply bearings to brand owners, distributors, and industrial buyers across Europe, North America, and Southeast Asia. Our ISO 9001:2015 certified quality management system ensures consistent production standards, from raw material selection to finished product inspection. We offer flexible order policies, including 1 piece MOQ for standard bearings, making us ideal for both emergency repairs and bulk orders. Our professional technical team provides free guidance on bearing selection and installation, ensuring you get the right component for your metallurgical machinery. Backed by a 12-month warranty and responsive after-sales service, we stand behind every bearing we supply.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including air and sea freight
- 1 piece MOQ available for standard bearings, supporting urgent maintenance needs
Get Your NNU4936 B/Sp C3 Bearing Today
Don’t let bearing issues disrupt your metallurgical production. Send us your requirements—including quantity and application details—and our team will provide a prompt quote. With our efficient delivery and technical support, you can minimize downtime and keep your machinery operating at peak performance.
Frequently Asked Questions
Q: Is this bearing suitable for high-temperature metallurgical applications?
A: Yes, the bearing steel material with 60-64 HRC hardness ensures stability in high-temperature environments typical of steel mills and metallurgical equipment.
Q: How do I confirm if the NNU4936 B/Sp C3 is compatible with my machinery?
A: Provide your equipment model or specific dimensional requirements, and our technical team will verify compatibility and offer free selection guidance.
Q: What is the warranty period for this bearing?
A: We offer a 12-month warranty from the date of delivery, covering manufacturing defects with free replacement or refund options.
Q: What is the minimum order quantity for this bearing?
A: Standard bearings like the NNU4936 B/Sp C3 have a 1 piece MOQ, supporting both small emergency orders and large bulk purchases.
Q: How quickly can I receive my order?
A: Sample orders ship within 3-5 working days, while bulk orders are delivered in 5-15 working days, depending on quantity and logistics.
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