Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 Brass Cage for Industrial Machinery
ISO 9001 · DIN Certified
<p>Ensure uninterrupted precision in high-load industrial machinery with our <strong>Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33</strong>—engineered to minimize downtime while delivering consistent performance under heavy radial loads. The brass cage design reduces friction and heat buildup, extending service life in critical applications like CNC machine tools and wind power equipment, while C3 clearance accommodates thermal expansion for reliable operation in variable temperature environments.</p><ul><li>Non-aligning construction maintains stability in high-speed rotations, ideal for precision-driven industrial setups</li><li>60-64 HRC hardness ensures durability against wear, supporting long-term operational efficiency</li><li>Unified sourcing simplifies your procurement process, eliminating the hassle of coordinating with multiple suppliers for critical components</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
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 |
| Transport Package | Carton Pallet |
| HS Code | 8482800000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Machine Tools | CNC Spindles, Lathe Chucks, Milling Machines |
| Wind Power | Generator Gearboxes, Main Shafts |
| Automation | Robotic Arms, Conveyor Systems |
| Aerospace | Actuators, Landing Gear Components |
| Medical Equipment | Imaging Machines, Precision Motors |
Reduce Downtime with Reliable NNU4944 B/Sp Double Row Cylindrical Roller Bearings
Industrial machinery operators know the frustration of unexpected downtime caused by bearing failures. When a critical component like a double row cylindrical roller bearing fails prematurely, it halts production, increases maintenance costs, and disrupts project timelines. Sourcing high-quality bearings that meet exact specifications often requires coordinating with multiple suppliers, leading to delays and inconsistent quality.
Precision Bearings in Stock for Immediate Delivery
Our NNU4944 B/Sp Double Row Cylindrical Roller Bearing with Brass Cage and C3 Clearance is designed to address these challenges. As an official authorized distributor for premium European bearing brands, we maintain sufficient stock of P4/P2 grade bearings, including the NNU4944 B/Sp model, ensuring you get the components you need without unnecessary delays. Our precision-oriented inspection system, compliant with ISO 9001 and DIN standards, guarantees that every bearing meets strict quality requirements before it reaches you.
Optimal Performance in Demanding Industrial Applications
This double row cylindrical roller bearing excels in applications requiring high radial load capacity and precise axial guidance. Its separated design allows for easy mounting and dismounting, making maintenance procedures more efficient. The brass cage provides excellent durability and heat resistance, ensuring reliable performance even in high-speed operations typical of machine tools, wind turbines, and automation systems. With a hardness of 60-64 HRC, this bearing delivers the long-term stability needed for continuous industrial use.
Key Technical Features That Enhance Equipment Reliability
The NNU4944 B/Sp bearing’s C3 clearance rating is specifically engineered to accommodate thermal expansion in high-temperature environments, reducing the risk of premature failure due to excessive internal stress. Its non-aligning design ensures precise operation where shaft and housing alignment is critical, such as in CNC machine spindles. The Z1V1 to Z3V3 vibration grades allow selection based on noise and precision requirements, with higher grades suitable for sensitive applications like medical equipment. The combination of bearing steel construction and brass cage material provides an optimal balance of strength, wear resistance, and weight distribution during rotation.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing genuine high-precision bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely, leading to unplanned downtime that can cost thousands in lost production. Our brass cage bearing, sourced through official European supply chains, undergoes rigorous testing to ensure it meets dynamic load requirements and operational specifications. By investing in authentic components, you reduce the risk of secondary equipment damage, lower maintenance frequency, and extend the overall service life of your machinery—ultimately reducing the total cost of ownership.
Our Commitment to Reliable Bearing Solutions
With over 800 clients across 45+ countries, we’ve built our reputation on delivering reliable bearing solutions. Our dual European brand official authorization ensures every product can be traced back to authentic manufacturing sources. Our team of senior application engineers provides expert support for选型 and technical consultation, helping you select the right bearing for your specific application. Our premium shockproof logistics ensure bearings arrive in perfect condition, while our one-stop procurement process simplifies ordering by handling cross-brand model matching and consolidated delivery—all through a single dedicated contact.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for secure transport
- Stock availability ensures dispatch within 3-7 working days
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both emergency repairs and planned maintenance
Get Your NNU4944 Bearing Today
Don’t let equipment downtime impact your productivity. Whether you need a single replacement bearing or are planning a large-scale maintenance project, our in-stock NNU4944 B/Sp Double Row Cylindrical Roller Bearing is ready to ship. The sooner you place your order, the sooner you can restore your machinery to full operation and avoid unnecessary production losses.
Frequently Asked Questions
Q: Are these bearings genuine original products?
A: As an official authorized premium European bearing distributor, every product we supply is sourced through authentic supply chains and can be traced to original manufacturers. We provide complete authorization and quality inspection documents with each order.
Q: How can I confirm if the NNU4944 bearing fits my equipment?
A: Our senior application engineers can assist with型号 verification. Provide your equipment model, operating conditions, or existing bearing specifications, and we’ll confirm compatibility within one working day.
Q: What is your warranty policy for this bearing?
A: We stand behind the quality of our products. All bearings come with manufacturer-backed warranty coverage against manufacturing defects, with unconditional replacement for verified issues.
Q: What is the minimum order quantity for the NNU4944 bearing?
A: We accept orders for 1 piece, making us ideal for emergency repair situations as well as regular maintenance and production requirements.
Q: How long does shipping take and what methods are available?
A: In-stock bearings are shipped within 3-7 working days. We offer DHL, FedEx, UPS, air freight, and sea freight options to accommodate different urgency and budget requirements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing comes with complete certification documents and packaging that includes manufacturer-specific identifiers. Our team can guide you through verification steps, including cross-referencing serial numbers with official databases when applicable.
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Submit your inquiry for Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 Brass Cage for Industrial Machinery and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
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ISO 9001, DIN 620, material certs available