Cylindrical Roller Bearing
Class
P4 / P2
Origin
DE / SE
Standard
DIN 620
Lead
3-7 Days
Cylindrical Roller Bearing
In Stock
Heavy Load Double Row Cylindrical Roller Bearing NNU4930 NNU4932 NNU4934 with Brass Cage for Mining Industry
ISO 9001 · DIN Certified
<p>Minimize mining equipment downtime with our Heavy Load Double Row Cylindrical Roller Bearing for Mining Industry, engineered to deliver exceptional durability under extreme conditions. The robust brass cage design ensures stable load distribution and heat resistance, critical for maintaining operational efficiency in high-stress mining environments.</p><ul><li><strong>Precision-engineered clearance options (C0-C5)</strong> allow fine-tuning to specific machinery requirements, reducing premature wear and extending service life</li><li>60-64 HRC hardness rating guarantees superior impact resistance, ideal for handling heavy radial loads in continuous operation</li><li>Separated inner/outer ring construction enables easy maintenance and quick replacement, streamlining your procurement and repair processes</li></ul>
Technical Specifications
- Type
- Cylindrical Roller Bearing
- Precision Class
- P4 / P2
- Certification
- ISO 9001
- Radial Runout
- ≤ 1.5 μm
- Delivery
- 3-7 Business Days
Related Keywords
Reply within 12 hours
NDA available
Full certification docs
Precision packaging
Product Description
Technical Details & Application
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 |
| Specification | As Your Request |
| Trademark | zhaoyun |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Mining Industry | Crushers, Conveyors, Mining Drills |
Reduce Mining Downtime with Heavy Load Double Row Cylindrical Roller Bearings NNU4930 NNU4932 NNU4934
Mining operations face critical challenges when equipment fails—unplanned downtime cuts production, increases maintenance costs, and risks project delays. Many mining companies struggle with bearings that can’t handle the extreme loads and harsh conditions, leading to frequent replacements and lost revenue.
Heavy Load Bearings for Reliable Mining Performance
Our Heavy Load Double Row Cylindrical Roller Bearings with Brass Cages are engineered to address these challenges. As an official authorized distributor, we ensure each bearing meets strict quality standards through our precision-oriented inspection system compliant with ISO 9001 & DIN standards. With sufficient stock of high-grade bearings, we can quickly deliver the NNU4930, NNU4932, and NNU4934 models to keep your mining equipment running.
Optimal Performance in Mining Environments
These Double Row Cylindrical Roller Bearings excel in heavy-load mining applications, where they承受 axial and radial forces in crushers, conveyors, and mining drills. The separated design allows for easy installation and maintenance, while the brass cage provides durability and stability under high stress. Their ability to handle medium and large outer dimensions (120-190mm) makes them suitable for the robust machinery used in mining operations.
Key Technical Features for Mining Durability
The performance of these bearings is defined by critical technical details. The bearing steel construction ensures a hardness of 60-64 HRC, delivering resistance to wear and deformation under heavy loads. Clearance options (C0 C2 C3 C4 C5) allow customization to specific operating conditions, optimizing load distribution and reducing heat generation. Vibration grades Z1V1 to Z3V3 contribute to smooth operation, minimizing noise and extending equipment life. The brass cage enhances lubrication distribution, crucial for maintaining performance in dusty mining environments.
Long-Term Value of Genuine Mining Bearings
Choosing genuine Heavy Load Double Row Cylindrical Roller Bearings avoids the hidden costs of counterfeit products. Fake bearings often fail prematurely, causing equipment breakdowns that result in expensive repairs and lost production. Our bearings, backed by full certification documents, ensure compliance with industry standards and reduce the risk of unplanned downtime. Investing in quality bearings lowers total cost of ownership by extending service intervals and improving overall equipment reliability.
Why Mining Operations Trust Our Bearings
Our reputation in the mining industry is built on tangible strengths: dual European brand official authorization ensures authentic, traceable products; senior application engineers provide expert support for选型 and installation; precision testing procedures guarantee each bearing meets performance specifications; and premium shockproof logistics ensure safe delivery. With service to 800+ clients across 45+ countries, we have the experience to support mining operations worldwide.
Packaging & Shipping
- Carton Pallet packaging for secure transport
- Support for urgent delivery of in-stock items
- Flexible shipping options including DHL, FedEx, UPS, air, and sea freight
- Real-time logistics tracking provided
- Minimum order quantity of 1 piece, ideal for emergency maintenance
Get Your Mining Bearings Shipped Fast
Don’t let equipment downtime affect your mining production. Send us your bearing requirements, including model (NNU4930, NNU4932, NNU4934), quantity, and application details, and we’ll provide a quote within one working day. Our sufficient stock ensures quick dispatch, helping you get back to full operation sooner.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: As an official authorized distributor, each bearing is sourced from legitimate supply chains and comes with complete certification documents for traceability.
Q: How can I confirm the right bearing model for my mining equipment?
A: Provide your equipment model or operating parameters, and our senior application engineers will assist with free选型 confirmation.
Q: What is the warranty policy for these mining bearings?
A: We adhere to原厂质保 standards, offering unconditional replacement for manufacturing defects.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 piece, supporting emergency maintenance needs.
Q: How long does shipping take?
A: In-stock items are typically shipped within 3-7 working days, with flexible logistics options including DHL, FedEx, UPS, air, and sea freight.
Q: How can I verify the authenticity of the bearings?
A: We provide complete traceability documents, and you can check packaging labels and product markings against manufacturer standards.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.
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Submit your inquiry for Heavy Load Double Row Cylindrical Roller Bearing NNU4930 NNU4932 NNU4934 with Brass Cage for Mining Industry and our senior application engineers will respond within 12 hours with pricing, availability, and technical documentation.
Authorized European Stock
Genuine FAG & SKF, traceable certificates
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Full Certification Docs
ISO 9001, DIN 620, material certs available