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, Bulldozers, Loaders |
| Mining |
Crushers, Conveyors, Drilling Rigs |
| Steel |
Rolling Mills, Continuous Casters |
| Heavy Industry |
Industrial Gearboxes, Press Machines |
Reduce Equipment Downtime with Reliable NN3038 NN3040 Double Row Cylindrical Roller Bearings
Engineering equipment operators know the frustration of unexpected downtime—especially when caused by bearing failures. A single failed bearing in critical machinery like excavator gearboxes or conveyor systems can halt entire projects, costing thousands in lost productivity and emergency repairs. Sourcing reliable replacements often means coordinating with multiple suppliers, each with different lead times and quality standards, further delaying getting back to work.
NN3038 W33 and NN3040 K/SP Bearings: In Stock and Ready for Heavy-Duty Applications
Our Double Row Cylindrical Roller Bearings are engineered to meet the rigorous demands of construction and mining equipment. As an official distributor integrating European precision and American heavy-duty advantages, we maintain large centralized inventory, ensuring these critical components are available when you need them most. Whether for replacing worn parts in a crusher or upgrading a loader’s drive system, our bearings deliver the performance required for heavy radial loads and high-speed operations common in engineering machinery.
Engineered for Extreme Conditions in Engineering Equipment
Double Row Cylindrical Roller Bearings excel in applications where machinery operates under heavy loads and continuous stress. The NN3038 W33 and NN3040 K/SP models are designed to handle axial loads while maintaining alignment, making them ideal for gearboxes, spindles, and rotating shafts in construction equipment. Their separated inner and outer rings allow for easy installation and maintenance, a crucial feature in the field where quick repairs minimize downtime.
Technical Features That Ensure Long-Term Performance
The performance of these bearings is defined by key technical attributes. The 60-64 HRC hardness ensures resistance to wear and deformation under heavy loads, extending service life in abrasive environments. Clearance options (C0 to C5) allow customization for specific operating conditions—tighter clearances for precision applications like machine tools, and larger clearances for high-temperature settings in steel mills. Cage materials, available in brass or steel, provide strength and stability; brass cages offer better heat dissipation for high-speed operations, while steel cages suit heavy shock-loading scenarios in mining equipment.
Avoid Hidden Costs: The Value of Genuine Bearings
Choosing non-genuine bearings may seem cost-effective initially, but the long-term risks far outweigh the savings. Counterfeit bearings often fail prematurely due to substandard materials and poor manufacturing, leading to secondary damage to gears, shafts, and other components. The resulting downtime, repair costs, and potential safety hazards can exceed the price of a genuine bearing by tenfold. Our bearings adhere to strict ISO 9001 quality standards, ensuring consistent performance and reducing the total cost of ownership over time.
Why Global Buyers Choose Our Bearing Solutions
Our position as a dual-brand authorized distributor (SKF & Timken) gives customers access to validated, traceable products. We serve over 1,200 clients across 55+ countries, with core markets in Australia, Russia, and Saudi Arabia—regions known for demanding industrial environments. Our cross-brand technical team provides expert support, from选型 to installation guidance, ensuring you get the right bearing for your equipment. Every bearing undergoes unified quality inspection before shipment, and we offer comprehensive after-sales support to address any issues promptly.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Stock availability for 3-7 business day delivery on most orders
- Flexible shipping options: DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting emergency repairs and small-scale projects
Get Your Engineering Equipment Bearings Today
Don’t let bearing issues delay your project. Send us your required model (NN3038 W33, NN3040 K/SP, or other specifications), application details, and quantity, and we’ll provide a quote within one working day. With our large inventory and global logistics network, we can get your equipment back up and running with minimal downtime.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, as an official authorized distributor, all our bearings are sourced directly from the manufacturer and come with complete traceability documentation.
Q: How can I confirm the right bearing model for my equipment?
A: Provide your equipment model, operating conditions, or existing bearing dimensions, and our technical team will verify the correct specification for your application.
Q: What is your warranty policy?
A: We stand by the manufacturer’s warranty, covering any manufacturing defects with a replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, making us ideal for emergency repairs and small-batch requirements.
Q: How quickly can you ship after order confirmation?
A: In-stock bearings are shipped within 3-7 business days via your preferred logistics method.
Q: How do I verify the authenticity of the bearings?
A: Each bearing comes with original packaging and manufacturer markings. We can also provide authorization certificates and batch traceability records upon request.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
