Cylindrical Roller Bearing
100% Genuine SKF · Original Factory Certificate
Lead Time
7-15 Days
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In Stock
SKF · Cylindrical Roller Bearing
Double Row Cylindrical Roller Bearing NNU4938 B/Sp W33 for Heavy-Duty Industrial Machinery
<p>Ensure peak performance in heavy-duty industrial machinery with the <strong>Double Row Cylindrical Roller Bearing NNU4938 B/Sp W33</strong>, engineered to deliver exceptional load capacity and durability for critical operations. This precision component minimizes downtime in demanding environments like steel mills and mining equipment, thanks to its separated inner/outer ring design and brass/steel cage options that accommodate high radial loads and axial displacement.</p><ul><li>Hardness rating of 60-64 HRC ensures long service life even under extreme conditions</li><li>Available clearance grades (C0-C5) and vibration levels (Z1V1-Z3V3) for customized application needs</li><li>100% genuine SKF quality with full traceability, backed by official factory warranty and technical support</li></ul>
| Parameter | Value |
|---|---|
| Model Number | Double Row Cylindrical Roller Bearing NNU4938 B/Sp W33 for Heavy-Duty Industrial Machinery |
| Brand | SKF |
| Category | Cylindrical Roller Bearing |
| Quality System | SKF Global QMS · COC · Traceability |
| Origin | SKF Official Factory |
| Delivery | 7-15 days door-to-door |
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Product Details
Double Row Cylindrical Roller Bearing NNU4938 B/Sp W33 for Heavy-Duty Industrial Machinery -- Full Specifications
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 Suitability
| Industry | Typical Applications |
|---|---|
| Heavy-Duty Industrial | Machinery components requiring axial load handling |
Need a Reliable NNU4938 B/Sp W33 Double Row Cylindrical Roller Bearing? Here's What Matters
Selecting the right double row cylindrical roller bearing for heavy-duty machinery can be challenging. Many procurement teams face issues with incorrect load direction specifications leading to premature failure, or struggling to find suppliers that offer the exact clearance and cage material combinations needed for their specific operating conditions.
Built for Heavy-Duty Industrial Machinery Performance
This NNU4938 B/Sp W33 double row cylindrical roller bearing addresses these challenges with its separated design and axial load handling capability, making it suitable for demanding industrial applications. Our comprehensive inventory covers a wide range of bearing types, including this heavy-duty cylindrical roller bearing, ensuring you can source the exact specifications required without multiple supplier inquiries.
Optimal Performance in Medium to Large Industrial Equipment
Designed for medium and large machinery with outer dimensions between 120-190mm, this bearing excels in applications where axial loads are primary. The non-aligning design ensures stability in systems with minimal misalignment, while the 60-64 HRC hardness provides the durability needed for continuous operation in heavy-duty industrial environments.
Key Engineering Features for Reliable Operation
The separated construction allows for easy mounting and dismounting, simplifying maintenance procedures. Available clearance options (C0, C2, C3, C4, C5) ensure proper fit for different operating conditions—tighter clearances for precision applications and larger clearances for thermal expansion scenarios. Cage options of brass or steel provide flexibility, with brass offering better heat conductivity and steel for higher load capacity requirements. Vibration grades Z1V1 to Z3V3 allow matching to machinery noise and precision specifications, ensuring smooth operation in critical equipment.
Why Proper Bearing Selection Reduces Total Cost
Choosing the correct double row cylindrical roller bearing directly impacts equipment uptime and maintenance costs. A bearing with improper clearance can lead to excessive heat generation and early fatigue, while incorrect cage material may fail under high-temperature conditions. This W33 cylindrical roller bearing's adherence to industrial standards ensures compatibility with existing machinery, reducing the risk of unplanned downtime and the associated costs of emergency repairs and production losses.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, including material verification and hardness testing to ensure 60-64 HRC standards are met. Each unit is inspected to confirm dimensional accuracy and performance characteristics. We provide comprehensive documentation for traceability, and offer a warranty against manufacturing defects. With our extensive supply chain network, we can source and deliver this NNU4938 B/Sp W33 bearing efficiently, supporting both small and large volume requirements.
Packaging & Shipping
- Packaged in carton pallets for secure transportation
- Available for prompt shipment from inventory
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantities supported
Request a Quote for NNU4938 B/Sp W33 Bearing
To get started with your purchase of the NNU4938 B/Sp W33 double row cylindrical roller bearing, please provide the required quantity and delivery location. Our team can also assist with verifying compatibility with your specific machinery requirements. Contact us today to receive pricing and availability information.
Frequently Asked Questions
Q: Do you support procurement of other bearing brands and models?
A: Yes, we offer a full range of bearings across various brands and models. We can source according to your specific brand or model requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment's bearing specifications including dimensions (d x D x B) or OEM part number, and our technical team will verify compatibility.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. Specific warranty terms are detailed in our sales agreement.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, including small batch purchases for maintenance or testing purposes.
Q: How long does shipping take and what methods are available?
A: In-stock items ship immediately. Shipping time depends on destination and method—express (2-5 days), air (5-10 days), or sea (20-40 days).
Q: Can you provide custom bearing solutions?
A: Yes, we support OEM/ODM customization based on provided drawings or technical specifications.
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Double Row Cylindrical Roller Bearing NNU4938 B/Sp W33 for Heavy-Duty Industrial Machinery
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