Description
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, Cranes |
| Heavy Industry | Conveyors, Crushers, Mixers, Presses |
Reduce Downtime with NNU4934 B/Sp C3 Double Row Cylindrical Roller Bearing for Construction Machinery
Construction machinery operators know the cost of unexpected downtime—every hour a loader or crane sits idle eats into project deadlines and profits. Many face recurring issues with bearings failing prematurely due to misalignment, insufficient load capacity, or poor quality components. Sourcing reliable replacement parts often means coordinating with multiple suppliers, leading to delayed shipments and inconsistent quality across equipment fleets.
Precision Engineered for Heavy-Duty Construction Applications
The NNU4934 B/Sp C3 Double Row Cylindrical Roller Bearing is designed to address these challenges in construction machinery. As an official SKF distributor with over 10 years of technical expertise, we ensure each bearing meets strict quality standards through our ISO 9001 three-level inspection system. This separated cylindrical roller bearing with brass cage delivers exceptional radial load capacity, making it ideal for high-stress applications like excavator swing mechanisms and conveyor drives.
Optimal Performance in Demanding Construction Environments
Construction sites present harsh operating conditions—heavy loads, constant vibration, and varying temperatures. The NNU4934 B/Sp C3 bearing excels in these environments with its non-aligning design and C3 clearance, which accommodates thermal expansion and shaft deflection common in heavy machinery. Its 60-64 HRC hardness ensures resistance to wear, while the brass cage provides stable roller guidance even under shock loads typical in earthmoving equipment.
Key Technical Features That Maximize Equipment Uptime
The bearing’s separated design allows for easy mounting and dismounting, reducing maintenance time during equipment overhauls. The C3 clearance rating is specifically chosen for applications where thermal expansion occurs, preventing premature failure due to tight fits. With Z1V1 to Z3V3 vibration grades available, operators can select the precision level that matches their equipment’s requirements, balancing performance with cost-effectiveness. The combination of bearing steel material and brass cage ensures reliable operation in temperatures ranging from -40°C to 120°C, suitable for both indoor and outdoor construction environments.
Why Genuine Bearings Lower Total Cost of Ownership
Choosing genuine bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail within 30-50% of the expected service life, leading to repeated replacements, increased labor costs, and unplanned downtime. A single bearing failure in a critical application like a crane winch can cost thousands in lost productivity. Our NNU4934 B/Sp C3 bearings come with full traceability and compliance with international standards, ensuring you receive components that meet original equipment specifications and deliver consistent performance over their extended service life.
Your Trusted Partner for Construction Machinery Bearings
With operations in over 60 countries and serving 2,000+ clients, we have established a global reputation for reliability. Our official SKF authorization guarantees access to a stable supply chain, while our WMS real-time inventory system ensures we can fulfill orders quickly. Our technical team provides personalized application solutions, helping you select the right bearing for specific machinery models and operating conditions. We offer complete after-sales support, including assistance with installation, maintenance, and warranty claims, ensuring a seamless experience from procurement to operation.
Packaging & Shipping
- Secure carton pallet packaging with protective wrapping to prevent damage during transit
- Standard delivery within 3-7 business days for in-stock items
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided once shipment is dispatched
- Minimum order quantity of 1 piece, supporting emergency repair needs
Get Your Construction Machinery Back to Work
Don’t let bearing issues delay your construction projects. The NNU4934 B/Sp C3 Double Row Cylindrical Roller Bearing is in stock and ready to ship, ensuring minimal downtime for your equipment. Whether you need a single replacement or bulk quantities for fleet maintenance, we can fulfill your order quickly and provide the technical support you need.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official authorized global SKF distributor. Every bearing comes with complete authorization documentation and can be traced back to the original SKF supply chain.
Q: How do I confirm this bearing fits my construction equipment?
A: Provide your equipment model, application details, and operating conditions. Our technical team will verify compatibility and recommend the appropriate bearing specifications within 24 hours.
Q: What is the warranty policy for this bearing?
A: We offer warranty coverage in accordance with SKF’s official standards, including replacement for manufacturing defects. Our after-sales team provides full support for claim processing.
Q: What is the minimum order quantity?
A: We accept orders for 1 piece, making us ideal for emergency repair situations where small quantities are needed quickly.
Q: How long does shipping take to my location?
A: In-stock bearings ship within 3-7 business days. We offer multiple logistics options to match your urgency, including expedited air freight for critical situations.
Q: How can I verify the authenticity of the bearing upon receipt?
A: Each bearing includes SKF’s standard packaging with防伪标签 and laser marking. We also provide verification documents and can assist with online authentication through SKF’s official channels.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
