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 |
| Construction Machinery |
Excavators, Loaders, Bulldozers |
| Mining |
Crushers, Conveyors, Mining Drills |
| Steel & Metallurgy |
Rolling Mills, Continuous Casters |
| Machine Tools |
CNC Lathes, Milling Machines |
| Heavy Industry |
Industrial Gearboxes, Hydraulic Presses |
Reduce Downtime with High Precision Double Row Cylindrical Roller Bearing NN3030 K/SP W33
When large machinery grinds to a halt due to bearing failure, every hour of downtime costs your operation thousands in lost production. Many buyers face the frustration of mismatched bearings leading to premature wear, or waiting weeks for critical components from multiple suppliers. For heavy-duty equipment in mining and construction, choosing the wrong bearing can mean costly replacements and project delays.
NN3030 K/SP W33: Engineered for Large Machinery Reliability
Our Double Row Cylindrical Roller Bearing NN3030 K/SP W33 is designed to address these challenges. With 60-64 HRC hardness and a separated structure, it delivers exceptional durability for large machinery under heavy loads. As an official distributor, we maintain centralized inventory across 55+ countries, ensuring you get the right bearing when you need it—without the hassle of coordinating with multiple suppliers.
Optimal Performance in Demanding Conditions
This Heavy Duty Bearing for Machinery excels in applications requiring high radial load capacity and precise alignment. Its brass or steel cage options provide stability at varying speeds, while clearance grades (C0-C5) accommodate thermal expansion in industrial environments. Whether used in construction equipment gearboxes or mining crushers, the W33 lubrication grooves ensure consistent performance even in dusty, high-temperature conditions.
Key Technical Features That Matter
The NN3030 K/SP W33’s 60-64 HRC hardness ensures resistance to wear and deformation under heavy loads, extending bearing life in high-stress applications. Its separated design allows for easy mounting and dismounting, reducing maintenance time during equipment overhauls. Vibration grades Z1V1 to Z3V3 meet strict noise and stability requirements, critical for precision machine tools and steel mill operations. The combination of bearing steel material and precision manufacturing results in a High Precision Cylindrical Roller Bearing that minimizes equipment vibration and energy consumption.
Why Authentic Bearings Lower Total Costs
Counterfeit bearings may offer lower upfront prices, but they often fail prematurely—costing far more in replacement parts, labor, and unplanned downtime. Our Double Row Bearing for Large Equipment comes with full traceability and meets ISO 9001 quality standards, ensuring you avoid hidden costs from substandard materials or poor manufacturing. In mining operations, a single bearing failure can halt production for days; investing in genuine, high-quality bearings reduces these risks and lowers long-term operational expenses.
Your Trusted Partner for Industrial Bearings
With 1,200+ clients across 55+ countries, we deliver dual-brand bearing solutions backed by official SKF & Timken authorization. Our cross-brand technical team provides free选型 support, ensuring you get the right bearing for your specific equipment and工况. Every unit undergoes unified quality inspection before shipment, and we offer one-stop mixed procurement to simplify your supply chain. Our global logistics network ensures fast delivery, with emergency spare parts available for critical maintenance needs.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for secure transport
- 现货 available for delivery within 3-7 working days
- Flexible shipping options: DHL, FedEx, UPS, air freight, or sea freight
- Real-time tracking provided for all shipments
- Minimum order quantity of 1 piece, supporting both emergency repairs and bulk projects
Get Your NN3030 K/SP W33 Bearing Today
Don’t let equipment downtime impact your bottom line. Send us your bearing designation, application details, and required quantity, and our team will provide a unified quotation within one working day. With our large centralized inventory, we can ship your NN3030 K/SP W33 bearing quickly—so you can get back to production faster.
Frequently Asked Questions
Q: Are these bearings genuine and authentic?
A: As an official authorized distributor of SKF & Timken, all our products are traceable to the original manufacturer and come with complete authorization documents.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our technical team will verify compatibility at no cost.
Q: What is the warranty policy for this bearing?
A: We adhere to the original manufacturer’s warranty standards, with unconditional replacement for any manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making it easy to source emergency replacement parts for critical machinery.
Q: How long does shipping take?
A: In-stock items ship within 3-7 working days. We offer DHL, FedEx, UPS, air, and sea freight options to meet your timeline requirements.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing includes original packaging with manufacturer-specific markings and serial numbers. We also provide certification documents for traceability verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
