Product Specifications
| Parameter | Details |
|---|
| Model NO. | NNU4924 B/Sp W33 |
| 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 |
|---|
| Power Transmission | Gearboxes, Reducers, Electric Motors, Shaft Drives |
| Manufacturing | CNC Machine Tools, Spindles, Conveying Systems |
| Heavy Industry | Steel Rolling Mills, Crushers, Extruders |
| Energy | Generators, Compressors, Pump Systems |
Stop Equipment Downtime with NNU4924 B/Sp W33 Double Row Cylindrical Roller Bearing
Industrial maintenance teams face constant pressure: unexpected bearing failures disrupt production, while sourcing reliable replacements often means coordinating with multiple suppliers. When a power transmission system grinds to a halt, every hour of downtime eats into profitability. The challenge grows when dealing with specialty bearings like double row cylindrical types, where mismatched specifications or poor quality can lead to premature failures and safety risks.
Engineered for Power Transmission Machinery: Ready When You Need It
Our Double Row Cylindrical Roller Bearing NNU4924 B/Sp W33 with Brass Cage is designed to meet the rigorous demands of power transmission machinery. As an official SKF solution provider, we maintain full-process quality control compliant with global standards, ensuring each bearing delivers consistent performance. Whether your application involves high-speed gearboxes or heavy-duty reducers, this bearing’s separated design and brass cage provide the stability needed for continuous operation.
Optimal Performance in Demanding Conditions
This Double Row Cylindrical Roller Bearing excels in applications requiring high radial load capacity and precise axial alignment. The W33 designation indicates a lubrication groove and three holes in the outer ring, facilitating efficient grease distribution even at elevated operating temperatures. Its non-aligning design ensures rigidity in shaft systems, making it ideal for power transmission machinery where shaft deflection is minimal and load consistency is critical.
Technical Features That Drive Reliability
The NNU4924 B/Sp W33 bearing’s performance is defined by key technical attributes. Its brass cage offers superior strength and heat resistance compared to steel alternatives, reducing friction and extending service life in high-speed operations. Bearing steel construction, hardened to 60-64 HRC, provides excellent wear resistance and durability under heavy loads. Available clearance grades (C0 to C5) allow customization for specific operating conditions—from tight fits in precision machinery to expanded clearances for thermal expansion in high-temperature environments. Vibration classes Z1V1 to Z3V3 ensure smooth operation, minimizing noise and energy loss in transmission systems.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing genuine bearings over counterfeit alternatives directly impacts your bottom line. Substandard bearings may cost less upfront but often fail within months, leading to unplanned downtime, repair labor costs, and potential damage to adjacent components. Our bearings, sourced through official channels, meet strict quality standards, reducing the risk of premature failure. With proper installation, a genuine NNU4924 B/Sp W33 bearing can operate reliably for years, lowering total cost of ownership by minimizing replacement frequency and production disruptions.
Your Trusted Partner for Industrial Bearings
With over 900 clients across 50+ countries, we’ve built our reputation on reliability and expertise. As an authorized provider, we offer full-category access to SKF products, including this Double Row Cylindrical Roller Bearing. Our sealing and lubrication engineering team can assist with application-specific recommendations, ensuring optimal bearing performance. For emergency maintenance, our fast delivery service minimizes downtime, while our one-stop procurement process reduces the hassle of managing multiple suppliers. Every bearing undergoes thorough inspection before shipment, with complete documentation for compliance and traceability.
Packaging & Shipping
- Protective carton packaging with palletized outer reinforcement for secure transport
- Stock availability for prompt dispatch within 3-7 business days
- Flexible logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting both emergency repairs and planned maintenance
Get Your NNU4924 B/Sp W33 Bearing Today
Don’t let equipment downtime affect your productivity. Whether you need a single replacement bearing or a bulk order for scheduled maintenance, we’re ready to fulfill your request. Send us your bearing designation, application details, and quantity, and our team will provide a quote within 24 hours—so you can get back to keeping your operations running smoothly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: As an official authorized SKF solution provider, all our products are sourced through legitimate channels and come with complete traceability documentation.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model or specific operating parameters (load, speed, temperature), and our technical team will verify compatibility at no cost.
Q: What is the warranty policy?
A: We adhere to SKF's原厂质保标准, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making it easy to source emergency replacement parts.
Q: How long does shipping take?
A: In-stock bearings ship within 3-7 business days, with delivery times varying by location and chosen logistics method (DHL/FedEx/UPS/air/sea).
Q: How can I verify the bearing's authenticity?
A: Each bearing includes original packaging with SKF branding and security features. We also provide certificate of conformance and batch traceability documentation upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
