Description
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension | Medium and Large(120-190mm) |
| Material | Bearing Steel |
| Misalignment Capability | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separable Design | Separated |
| Radial Clearance | C0 C2 C3 C4 C5 |
| Cage Material | Brass, Steel |
| Vibration Level | Z1V1 Z2V2 Z3V3 |
| Surface Hardness | 60-64 HRC |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Construction Machinery | Heavy-duty equipment drivetrains, hydraulic system components, gearbox assemblies |
Need a Low Noise NNU4934 C3 Bearing for Construction Machinery? Key Factors to Consider
Construction machinery operators know the frustration of unexpected downtime—especially when caused by bearing failure. The wrong bearing choice can lead to excessive noise, premature wear, and costly repairs. With hundreds of bearing models on the market, finding the right fit for your specific equipment and working conditions can be challenging.
Engineered for Quiet, Reliable Performance in Heavy-Duty Applications
The Low Noise Double Row Cylindrical Roller Bearing NNU4934 B/Sp C3 addresses these challenges directly. As a professional bearing supplier with comprehensive product coverage, we understand that construction machinery demands bearings that can handle heavy loads while maintaining low noise levels. This double row cylindrical roller bearing is designed to excel in the harsh operating environments typical of construction sites, where dust, vibration, and varying temperatures test equipment durability.
Optimal Performance in Construction Machinery Drivetrains
This non-aligning double row cylindrical roller bearing performs best in applications requiring high radial load capacity and precise rotational accuracy. Its separated design allows for easy installation and maintenance, a critical advantage in field service scenarios. With C3 clearance, it accommodates thermal expansion common in heavy-duty operations, reducing the risk of seizure during prolonged use. The combination of brass or steel cages ensures stability at high speeds, making it suitable for construction machinery gearboxes and drivetrain components.
Engineering Features That Enhance Durability
The bearing’s construction from high-quality bearing steel provides the foundation for its performance. With a surface hardness of 60-64 HRC, it offers excellent wear resistance and fatigue strength—essential properties for withstanding the cyclic loads encountered in construction equipment. The Z1V1 to Z3V3 vibration levels indicate controlled manufacturing processes that minimize noise generation, a key consideration for operator comfort and compliance with noise regulations. The axial load handling capability ensures versatility across various machinery components, from excavator booms to bulldozer transmissions.
Total Cost of Ownership: Why Quality Matters
Choosing the right bearing directly impacts your equipment’s total cost of ownership. A bearing with insufficient hardness or improper clearance may fail prematurely, leading to unplanned downtime, replacement parts, and labor costs. This NNU4934 B/Sp C3 bearing’s adherence to industry standards ensures predictable performance, reducing the risk of catastrophic failures that can damage adjacent components. While initial costs may be higher than lower-quality alternatives, the extended service life and reduced maintenance requirements ultimately deliver better value over time.
Quality You Can Trust in Every Bearing
Our commitment to quality is reflected in our ISO 9001 certified processes, from raw material inspection to final product testing. Each bearing undergoes rigorous dimensional and hardness checks to ensure compliance with specifications. We stand behind our products with a warranty covering manufacturing defects, giving you confidence in your purchase. With access to a wide range of brands and models, we can source or supply the exact bearing you need, whether you require standard configurations or specialized options.
Packaging & Shipping
- Carton and pallet packaging for secure transportation
- Available from stock for prompt delivery
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantities to support both small and large scale requirements
Get Your NNU4934 B/Sp C3 Bearing Quote Today
Whether you need a single replacement bearing or a bulk order for your construction machinery fleet, we’re ready to assist. Provide us with your specific requirements, including quantity and delivery location, and our team will quickly provide a competitive quote. The sooner you confirm your order, the sooner we can arrange shipment, minimizing your equipment downtime.
Frequently Asked Questions
Q: Do you supply other brands and models of cylindrical roller bearings?
A: Yes, we offer comprehensive procurement services covering all major international and domestic brands, with the ability to source specific models according to your requirements.
Q: How can I confirm if this NNU4934 B/Sp C3 bearing fits my equipment?
A: Provide your equipment model or existing bearing dimensions (bore, outer diameter, width), and our technical team will verify compatibility with the NNU4934 B/Sp C3 specification.
Q: What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. Specific terms and duration are detailed in our sales contract, ensuring coverage for material and workmanship issues.
Q: What is the minimum order quantity for this bearing?
A: We support low minimum order quantities, allowing you to purchase small quantities for testing or emergency replacements, as well as large volume orders for fleet maintenance.
Q: How long does shipping take for the NNU4934 B/Sp C3 bearing?
A: Stock items ship within 1-3 business days. Delivery time depends on your location and chosen shipping method, with express options available for urgent requirements.
Q: Can you provide custom packaging or labeling for this bearing?
A: Yes, we offer customized packaging solutions including private labeling and special packaging requirements to meet your specific logistics or branding needs.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.







