Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | 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 Suitability
| Industry | Typical Applications |
|---|---|
| Power Transmission | Industrial gearboxes, shaft transmission systems |
| Heavy Machinery | Steel mills, mining equipment |
Looking for a Reliable NNU4924 B/Sp C3 W33 Double Row Cylindrical Roller Bearing? Here’s What Matters
Power transmission equipment operators often face challenges with bearing selection—either struggling to find precise replacements for worn components or dealing with premature failures due to incorrect clearance or material quality. When critical machinery relies on bearings to handle axial loads, even minor discrepancies in specifications can lead to costly downtime and maintenance delays.
Built for Reliable, Long-Term Performance in Power Transmission
The Double Row Cylindrical Roller Bearing NNU4924 B/Sp C3 W33 addresses these pain points with its separated design and precision engineering. Ideal for power transmission equipment, this bearing supports medium to large shaft diameters (120-190mm) and features C3 clearance, making it suitable for applications where thermal expansion needs accommodation. Our extensive inventory and global supply chain ensure quick access to this and other hard-to-find bearing models, reducing lead times for urgent replacements.
Where This Bearing Performs Best
Designed for non-aligning applications with axial load requirements, this bearing excels in industrial environments such as steel rolling mills, mining conveyors, and heavy-duty gearboxes. Its separated inner and outer rings allow for easy mounting and dismounting, simplifying maintenance in tight spaces. The combination of brass or steel cages and bearing steel construction ensures durability under continuous operation, even in moderately contaminated conditions.
Engineering Details That Matter
The NNU4924 B/Sp C3 W33’s performance is defined by key engineering features: its C3 radial clearance provides optimal play for thermal expansion in high-temperature operations, preventing seizure during extended use. The 60-64 HRC hardness rating ensures resistance to wear and deformation under heavy loads, while Z1V1 to Z3V3 vibration classes allow customization based on noise and precision requirements. The separated design enables independent mounting of rings, facilitating precise shaft alignment and reducing installation errors that often cause premature failure.
Why Bearing Selection Affects Total Cost
Choosing the right double row cylindrical roller bearing directly impacts operational costs. A bearing with incorrect clearance or material quality may require frequent replacements, leading to unplanned downtime and increased labor expenses. In contrast, the NNU4924 B/Sp C3 W33’s robust construction and precision tolerances minimize maintenance needs, extending equipment lifespan. By aligning bearing specifications with application demands—such as selecting the appropriate cage material for load conditions—operators can avoid the hidden costs of premature failures and ensure consistent performance.
Quality You Can Rely On
Our bearings undergo rigorous quality control processes, including material verification and dimensional inspections, to meet industry standards. We source from established manufacturers with ISO-compliant production systems, ensuring each bearing meets specified hardness, clearance, and vibration requirements. All products come with a warranty covering manufacturing defects, and our technical team is available to assist with installation guidance and performance troubleshooting. Whether you need a single replacement or bulk order, we provide transparent documentation and consistent quality.
Packaging & Shipping
- Packaged in cartons with palletized options for bulk orders
- Available for same-day shipping for in-stock items
- Flexible delivery via courier, air, or sea freight to global destinations
- Low minimum order quantity supported for small-scale maintenance needs
Request a Quote for NNU4924 B/Sp C3 W33 Bearing
To get started, provide the bearing model, required quantity, and delivery location. Our team will confirm availability and provide a competitive quote within 24 hours. We also accept inquiries for custom specifications or alternative brands—simply share your equipment details, and we’ll help identify the right bearing solution for your application.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we offer a full range of bearings across international and domestic brands. We can source specific models according to your equipment requirements.
Q: How can I confirm if this bearing fits my machinery?
A: Provide your equipment’s make, model, or the original bearing dimensions (d x D x B), and our technical team will verify compatibility.
Q: What warranty do you offer on bearings?
A: We provide a warranty against manufacturing defects. The specific terms are outlined in each order’s contract, typically covering 12 months from delivery.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum orders, including single units for emergency replacements, with volume discounts available for bulk purchases.
Q: How long does shipping take to [my location]?
A: In-stock items ship the same day. Delivery times vary by location—express courier takes 3-5 days, while sea freight takes 2-6 weeks depending on destination.
Q: Can you customize bearings to specific requirements?
A: Yes, we offer OEM/ODM services for custom bearings, including special materials, clearances, and cage designs, based on technical drawings or samples.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







