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 |
| Industrial Machinery |
Machine Tools, Gearboxes, Reducers |
| Manufacturing |
Printing Machines, Conveyors, Compressors |
| Automotive |
Transmission Systems, Axles |
| Agricultural |
Tractors, Harvesters |
| New Energy |
Wind Turbines, Solar Equipment |
Minimize Downtime with NNU4926 B/SP W33 Double Row Cylindrical Roller Bearing for Industrial Machinery
Industrial machinery operators know the cost of unexpected downtime—when bearings fail prematurely, production lines halt, maintenance costs spike, and deadlines slip. Many face challenges with generic bearings that can’t withstand heavy loads or high-speed operations, leading to frequent replacements and lost productivity. Sourcing reliable, long-lasting bearings often means navigating minimum order quantities that don’t fit urgent repair needs or struggling with suppliers who lack technical expertise to confirm proper fit.
Engineered for Long Service Life in Demanding Industrial Applications
The NNU4926 B/SP W33 Double Row Cylindrical Roller Bearing addresses these pain points with precision manufacturing and durable materials. As a professional bearing manufacturer with decades of export experience, we produce this bearing to meet P0-P4 precision grades and Z2-Z4 noise standards, ensuring stable performance in industrial machinery like gearboxes, printing machines, and reducers. Our one-stop service covers everything from production to global shipping, with flexible order policies—including 1 piece MOQ for standard bearings—to support both emergency repairs and bulk production needs.
Optimal Performance in High-Load, High-Speed Industrial Environments
This Double Row Cylindrical Roller Bearing excels in applications requiring high radial load capacity and precise axial alignment, such as machine tool spindles and heavy-duty conveyors. Its separated inner and outer rings allow for easy installation and maintenance, while the W33 lubrication groove ensures consistent grease distribution during operation. With a hardness of 60-64 HRC, the bearing resists wear even under continuous use, making it ideal for industrial equipment that operates around the clock.
Key Technical Features That Deliver Reliable Rotation
The performance of the NNU4926 B/SP W33 bearing is defined by critical technical attributes. Its clearance options (C0 to C5) allow customization for specific operating conditions—tighter clearances (C2) for high-precision machinery, while larger clearances (C4/C5) accommodate thermal expansion in high-temperature environments. The brass or steel cage design ensures stable roller guidance at high speeds, reducing vibration and noise to Z1V1-Z3V3 levels. As a non-aligning bearing, it maintains accuracy in rigidly mounted shafts, critical for maintaining production quality in precision manufacturing processes.
Why Choosing Quality Bearings Lowers Total Operational Costs
Opting for low-cost, uncertified bearings may seem like a budget-friendly choice, but the hidden costs add up. Counterfeit bearings often fail within months, leading to repeated downtime, replacement labor, and potential damage to connected components. Our bearings, certified to ISO 9001:2015 standards, undergo strict incoming material inspections and full-process quality control, including dimensional detection and service life testing. This commitment to quality ensures longer service life, reducing the total cost of ownership compared to cheaper alternatives.
Our Commitment to Your Industrial Success
For over 18 years, Jinan Saifan Bearing has supplied industrial buyers across Europe, North America, and Southeast Asia with reliable bearings. Our in-house laboratory conducts comprehensive performance tests, and our technical team provides free guidance on selection, installation, and maintenance. We offer a 12-month warranty on all products, with free replacements for qualified defective items. With sample orders shipped in 3-5 working days and bulk orders in 5-15 days, we ensure you get the bearings you need when you need them.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for secure transportation
- Sample orders delivered in 3-5 working days, bulk orders in 5-15 working days
- Multiple logistics options: DHL, FedEx, UPS, air freight, and sea freight
- Real-time tracking number provided once shipment is dispatched
- 1 piece MOQ for standard bearings, ideal for emergency repairs and small-batch needs
Get Your NNU4926 B/SP W33 Bearing Today
Don’t let bearing failures disrupt your production schedule. Whether you need a single replacement or a bulk order, our team is ready to assist. Provide your application details, quantity, and any customization requirements, and we’ll deliver a quote within 24 hours. The sooner you secure reliable bearings, the sooner you can get back to efficient, uninterrupted operation.
Frequently Asked Questions
Q: Is this bearing a genuine product?
A: Yes, we are a professional manufacturer with strict quality control processes. All products meet ISO international standards and are backed by our ISO 9001:2015 certification.
Q: How do I confirm if this bearing fits my equipment?
A: Provide your equipment model, operating conditions (load, speed, temperature), and required specifications. Our technical team will free assist with选型确认.
Q: What is the warranty policy?
A: We offer a 12-month warranty from the date of delivery. Qualified defective products will be replaced free of charge or refunded.
Q: What is the minimum order quantity?
A: The minimum order quantity for standard bearings is 1 piece, supporting both emergency repairs and small orders.
Q: How long does shipping take?
A: Sample orders ship within 3-5 working days, and bulk orders within 5-15 working days. Logistics options include DHL, FedEx, UPS, air, and sea freight.
Q: How can I verify the bearing’s authenticity?
A: Our bearings undergo unified standard finished product inspection, and we provide quality certificates. Each product can be traced through our production and testing records.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
