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 |
|---|
| Heavy Machinery | Industrial Gearboxes, Rolling Mills, Presses |
| Mining & Construction | Crushers, Conveyors, Excavators |
| Manufacturing | Machine Tool Spindles, Hydraulic Motors |
| Power Generation | Generator Sets, Turbine Systems |
Minimize Downtime with NNU4952 B-K/Sp W33 Double Row Cylindrical Roller Bearing for Heavy Machinery
Heavy machinery operators know the cost of unexpected downtime—hours of lost production, expensive repairs, and missed deadlines. When bearings fail prematurely, the root cause often traces to poor quality components or incorrect specification. Sourcing reliable double row cylindrical roller bearings for critical equipment like gearboxes and rolling mills becomes a constant challenge, especially when dealing with multiple suppliers and inconsistent delivery times.
Engineered for Heavy-Duty Performance, Delivered When You Need It
The NNU4952 B-K/Sp W33 Double Row Cylindrical Roller Bearing addresses these challenges with precision engineering and our streamlined procurement process. As an official SKF solution provider, we ensure every bearing meets global quality standards, supported by full-process quality control. Our one-stop system procurement capability means you can secure this heavy machinery bearing alongside other maintenance components, eliminating the hassle of managing multiple suppliers.
Optimized for High-Load, High-Stress Environments
This double row cylindrical roller bearing excels in applications requiring high radial load capacity and precise axial alignment, common in heavy machinery operations. Its separated design allows for easy mounting and dismounting, simplifying maintenance procedures. The brass cage provides exceptional durability under continuous operation, while the W33 lubrication groove ensures consistent lubricant distribution—critical for extending service life in dusty or high-temperature industrial settings.
Technical Features That Drive Reliability
The bearing's 60-64 HRC hardness rating ensures resistance to wear and deformation under heavy loads, a key factor in maintaining dimensional stability over time. Available clearance grades (C0 to C5) allow customization for specific operating conditions—tighter clearances for precision applications or larger clearances to accommodate thermal expansion in high-temperature environments. Vibration classes Z1V1 to Z3V3 ensure smooth operation, reducing noise and minimizing stress on connected components. The non-aligning design delivers predictable performance in rigidly mounted shafts, ideal for heavy machinery where shaft deflection is minimal.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing genuine bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit cylindrical roller bearings often fail prematurely due to substandard materials and manufacturing processes, leading to unplanned downtime that can cost thousands in lost production. Our bearings, sourced through authorized channels, come with complete traceability and compliance with international standards, ensuring you get the performance you pay for. The initial investment in authentic components reduces long-term costs by minimizing maintenance, extending equipment life, and avoiding secondary damage caused by bearing failure.
Our Commitment to Your Operations
With over 900 clients across 50+ countries, we've built our reputation on reliability and专业 service. Our sealing & lubrication engineering team can assist with application-specific recommendations, ensuring optimal bearing performance. We maintain a comprehensive inventory to support fast emergency maintenance delivery, with most orders processed within one working day. Every bearing undergoes rigorous inspection before shipment, and our dedicated customer service team provides single-point contact for all technical and logistical needs throughout the procurement cycle.
Packaging & Shipping
- Protective carton packaging with palletized reinforcement for secure transport
- Expedited processing for emergency orders, with priority delivery options
- Global shipping via DHL, FedEx, UPS, or freight forwarding for bulk orders
- Real-time tracking provided for all shipments
- Flexible minimum order quantities, including single-unit purchases for critical repairs
Keep Your Machinery Running—Order Today
Don't let bearing issues disrupt your operations. Whether you need a single NNU4952 B-K/Sp W33 bearing for emergency repair or a complete maintenance kit, our streamlined process ensures you get the right components quickly. Send us your requirements, and our team will provide a detailed quotation with all necessary technical documentation.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, as an official SKF solution provider, all our products are sourced through authorized channels and come with complete traceability documentation.
Q: How can I confirm this bearing fits my equipment?
A: Provide your equipment model or specific operating parameters, and our engineering team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We stand behind product quality with a warranty covering manufacturing defects, in line with SKF global standards.
Q: What is the minimum order quantity?
A: We accept orders for single units to support emergency maintenance needs, with volume pricing available for larger purchases.
Q: How long does shipping take?
A: In-stock items ship within 3-7 working days, with expedited options available for urgent requirements.
Q: How can I verify the authenticity of the bearing?
A: Each bearing includes original packaging with security features; we also provide certification documents upon request to confirm authenticity.
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