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 |
| Power Transmission |
Electric Motors, Gearboxes, Generators |
| Manufacturing |
Machine Tools, Conveyors, Compressors |
| Mining |
Crushers, Conveyor Systems, Heavy-Duty Gearboxes |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters, Drive Systems |
Reduce Downtime with Reliable NNU4924 B/Sp C3 W33 Double Row Cylindrical Roller Bearings
Power transmission equipment operators often face unexpected shutdowns due to bearing failures, especially when using low-quality components. Sourcing multiple bearing brands from different suppliers complicates inventory management and increases the risk of mismatched parts. Maintenance teams lose valuable hours coordinating with various vendors, while inconsistent quality standards across channels create hidden operational risks.
Double Row Cylindrical Roller Bearings for Demanding Power Systems
The NNU4924 B/Sp C3 W33 Double Row Cylindrical Roller Bearing addresses these challenges with its robust design optimized for power transmission applications. As an official distributor of SKF & Timken, we maintain large centralized inventory, enabling one-stop mixed procurement and fast delivery. This bearing’s separated structure allows easy installation and replacement, minimizing downtime during maintenance—critical for keeping gearboxes, generators, and conveyor systems operational.
Engineered for High-Performance Transmission Environments
This Double Row Cylindrical Roller Bearing excels in high-speed, heavy-load conditions typical of power transmission equipment. Its separated design accommodates axial displacement, making it ideal for applications with thermal expansion, such as electric motor spindles and industrial gearboxes. The C3 clearance rating ensures optimal performance under varying temperature conditions, reducing friction and extending bearing life in continuous operation scenarios.
Technical Features That Ensure Reliable Operation
Constructed from high-grade bearing steel with a hardness of 60-64 HRC, this bearing delivers exceptional durability and wear resistance. The brass or steel cage options provide stability at high rotational speeds, while Z1V1 to Z3V3 vibration classes ensure smooth operation with minimal noise. The C3 clearance is specifically engineered to handle thermal expansion in power transmission systems, preventing premature failure due to tight fits. These technical attributes combine to support the demanding load and speed requirements of modern industrial equipment.
Why Genuine Bearings Matter for Your Bottom Line
Counterfeit bearings may offer lower upfront costs, but they often fail prematurely—leading to unplanned downtime, costly repairs, and potential damage to adjacent components. In contrast, our NNU4924 B/Sp C3 W33 Bearing adheres to strict ISO 9001 quality standards, ensuring consistent performance and reliability. By investing in genuine bearings, you reduce the total cost of ownership by minimizing maintenance intervals, avoiding production losses, and extending equipment service life—especially critical for power transmission systems where failure can halt entire operations.
Your Trusted Partner for Industrial Bearings
With official authorization from SKF and Timken, we guarantee every bearing is traceable to authentic manufacturing sources. Our unified ISO 9001 quality inspection system includes incoming material checks and pre-shipment verification, ensuring compliance with global standards. Serving over 1,200 clients across 55+ countries, our cross-brand technical team provides expert support for选型, installation, and troubleshooting. We offer flexible ordering with centralized delivery, simplifying procurement for large projects and maintenance teams alike.
Packaging & Shipping
- Secure carton pallet packaging with protective inner layers
- 现货 available for delivery within 3-7 working days
- Global logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking numbers provided for all shipments
- Minimum order quantity of 1 unit, supporting emergency repairs
Get Your Power Transmission Bearings Today
Don’t let bearing issues disrupt your operations. Whether you need a single replacement or bulk order for a large project, we ensure prompt delivery of genuine NNU4924 B/Sp C3 W33 Double Row Cylindrical Roller Bearings. Send us your requirements now to keep your power transmission equipment running at peak efficiency.
Frequently Asked Questions
Q: Are these bearings genuine and authentic?
A: Yes, as an official authorized distributor of SKF & Timken, every bearing is sourced from authentic supply chains and comes with complete traceability documentation.
Q: How can 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 warranty coverage do you offer?
A: We adhere to the original manufacturers’ warranty standards, with unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making it suitable for both emergency repairs and large-scale procurement.
Q: How long does shipping take?
A: In-stock items are typically delivered within 3-7 working days, with flexible logistics options including DHL, FedEx, UPS, air, and sea freight.
Q: How can I verify the authenticity of the bearing?
A: Each bearing comes with original packaging, laser markings, and verification documents. We also provide guidance on checking manufacturer-specific security features.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.