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 |
|---|
| Mining | Crushers, Conveyors, Heavy Load Equipment |
| Heavy Machinery | Industrial Gearboxes, Rolling Mills |
Reduce Mining Downtime with NNU4930 B/Sp Double Row Cylindrical Roller Bearing
Mining operations lose thousands in revenue daily when crushers or conveyors fail due to bearing issues. Many maintenance teams struggle with sourcing reliable heavy load bearings that can withstand the constant shock and debris of mining environments. Sourcing from multiple suppliers often leads to delivery delays and inconsistent quality, leaving equipment idle longer than necessary.
Heavy Load Bearings Engineered for Mining Environments
Our Double Row Cylindrical Roller Bearing NNU4930 B/Sp is designed to handle the extreme demands of mining heavy load equipment. As an official SKF solution provider with full-process quality control, we ensure each bearing meets SKF global standards for reliable performance. The separated design allows for easy installation and maintenance—critical for minimizing downtime in remote mining sites.
Performance in Harsh Mining Conditions
This bearing excels in applications with heavy radial loads and moderate axial loads, typical in mining crushers and conveyors. The C3 clearance provides thermal expansion room during continuous operation, while the 60-64 HRC hardness ensures resistance to wear and impact. In dust-filled, high-vibration environments, the brass or steel cage maintains stable roller guidance, preventing premature failure.
Key Technical Features for Mining Reliability
The NNU4930 B/Sp's separated structure simplifies mounting and dismounting, a valuable feature during紧急 repairs. With vibration classes up to Z3V3, it operates smoothly even under uneven load distribution common in mining equipment. The bearing steel material, heat-treated to 60-64 HRC, offers exceptional durability against the abrasive particles present in mining operations. Available clearance options (C0 to C5) allow precise matching to specific equipment requirements, ensuring optimal load distribution and lifespan.
Why Genuine Bearings Lower Total Costs
Counterfeit heavy load bearings may cost less upfront but often fail within months, leading to repeated replacements, extended downtime, and potential damage to expensive equipment. Our bearings, compliant with global quality standards, deliver consistent performance over extended periods, reducing the total cost of ownership. Each unit undergoes strict quality inspection before shipment, ensuring it meets the load and speed requirements of mining applications without compromise.
Your Trusted Partner for Industrial Bearings
With official authorization from SKF, we provide full-category access to genuine bearings and industrial maintenance products. Our sealing and lubrication engineering team offers专业 support for selecting the right bearing for your specific mining equipment. Serving over 900 clients across 50+ countries, we maintain a global logistics network for fast emergency maintenance delivery. Every bearing comes with complete traceability documentation, ensuring compliance with large-scale engineering project requirements.
Packaging & Shipping
- Secure carton pallet packaging to prevent damage during transit
- Expedited delivery options available for emergency maintenance needs
- Global shipping via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all orders
- Minimum order quantity of 1 unit to support small-batch maintenance
Get Your NNU4930 Bearing Shipped Today
Don’t let bearing failure halt your mining operations. Send us your equipment details and required quantity, and our team will confirm compatibility and provide a quote within one working day. With our fast emergency delivery service, you can minimize downtime and get back to production quickly.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: As an official authorized SKF solution provider, all our products are sourced directly from SKF and come with complete traceability documentation.
Q: How do I confirm this bearing fits my mining equipment?
A: Provide your equipment model or specific operating parameters, and our engineering team will verify compatibility and recommend the optimal bearing solution.
Q: What is your warranty policy?
A: We stand behind product quality with a full warranty against manufacturing defects, compliant with SKF global warranty standards.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, supporting both emergency repairs and large-scale procurement.
Q: How long does shipping take?
A: For in-stock items, delivery typically takes 3-7 working days via our global logistics partners; expedited options are available for urgent needs.
Q: How can I verify the bearing's authenticity?
A: Each bearing includes SKF's standard packaging with防伪 features, and we provide full authorization documents and traceability records upon request.
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