Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Industrial Machinery with Brass Cage
Cylindrical Roller Bearing

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Cylindrical Roller Bearing

Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Industrial Machinery with Brass Cage

<p>Ensure smooth, high-load industrial machinery operation with the <strong>Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33</strong>, engineered to minimize downtime and enhance equipment reliability. Its brass cage design reduces friction under heavy radial loads, while C3 clearance accommodates thermal expansion in continuous-operation scenarios—critical for maintaining precision in large-scale manufacturing lines.</p><ul><li>Non-aligning structure with separated inner/outer rings allows easy mounting and replacement, streamlining maintenance workflows</li><li>Bearing steel construction (60-64 HRC hardness) delivers exceptional durability for motors, gearboxes, and heavy-duty machinery</li><li>Unified ISO 9001 quality control ensures consistent performance, eliminating the hassle of coordinating multiple suppliers for your industrial needs</li></ul>

Category
Cylindrical Roller Bearing
Lead Time
7-15 Days
MOQ
1 Piece
Supply
In Stock
Auth.
Official Dist.

Product Description

Product Specifications

ParameterDetails
Model NO.Double Row Cylindrical Roller Bearing
Outer DimensionMedium and Large(120-190mm)
MaterialBearing Steel
SphericalNon-Aligning Bearings
Load DirectionAxial Bearing
SeparatedSeparated
ClearanceC0 C2 C3 C4 C5
CageBrass, Steel
VibrationZ1V1 Z2V2 Z3V3
Hardness60-64 HRC
Transport PackageCarton Pallet
SpecificationAs Your Request
Trademarkzhaoyun
OriginJiangsu China
HS Code8482800000
Production Capacity1000000

Application Industries

IndustryTypical Equipment
General MachineryIndustrial Gearboxes, Machine Tool Spindles, Conveyors
MotorsHeavy-Duty Electric Motors, Generators
AutomotiveTransmission Systems, Axle Assemblies
Household AppliancesLarge-Scale Compressors, Industrial Pumps

Minimize Downtime with NNU4944 B/Sp C3 W33 Double Row Cylindrical Roller Bearing for Industrial Machinery

Industrial machinery operators often face unexpected production halts due to bearing failures, especially in critical applications like gearboxes and machine tool spindles. Sourcing reliable double row cylindrical roller bearings with precise specifications such as C3 clearance and brass cages can be time-consuming when dealing with multiple suppliers. Delays in obtaining the right bearing model directly impact maintenance schedules and overall operational efficiency.

Authorized Quality Bearings with Sufficient Stock for Immediate Delivery

As an official authorized distributor of SKF & NTN, we provide the NNU4944 B/Sp C3 W33 Double Row Cylindrical Roller Bearing with guaranteed authenticity and consistent quality under ISO 9001 standards. Our inventory includes hot-selling industrial machinery bearings, ensuring that critical components like this brass cage bearing are available for quick dispatch. This eliminates the need for lengthy lead times and allows maintenance teams to resume operations faster.

Optimal Performance in Heavy-Duty Industrial Applications

The NNU4944 B/Sp C3 W33 Double Row Cylindrical Roller Bearing is engineered to handle high radial loads and moderate axial loads in industrial machinery. Its separated design allows for easy mounting and dismounting, making it ideal for applications requiring frequent maintenance. The W33 designation indicates a lubrication groove and holes in the outer ring, ensuring efficient lubricant distribution even in continuous operation environments such as conveyor systems and motor assemblies.

Key Technical Features Enhancing Machinery Reliability

The bearing's C3 clearance provides increased internal space to accommodate thermal expansion during high-speed operation, reducing the risk of overheating and premature failure. Constructed with bearing steel hardened to 60-64 HRC, it offers excellent wear resistance and durability under heavy loads. The brass cage ensures stable roller guidance and heat dissipation, maintaining performance in temperatures typical of industrial settings. Vibration grades Z1V1 to Z3V3 allow customization based on noise and precision requirements, ensuring compatibility with sensitive machinery.

Long-Term Value of Genuine Bearings vs. Counterfeit Risks

Using non-genuine double row cylindrical roller bearings may initially seem cost-effective, but they often lack proper material quality and manufacturing precision. This leads to shorter service life, increased vibration, and higher energy consumption. In contrast, our authorized bearings undergo strict quality control, reducing the likelihood of unexpected failures that cause production downtime and costly repairs. By investing in genuine NNU4944 B/Sp C3 W33 bearings, you lower the total cost of ownership through extended maintenance intervals and reliable performance.

Why Global Industrial Buyers Choose Our Bearing Solutions

With dual-brand official authorization from SKF and NTN, we ensure every bearing can be traced to authentic manufacturing sources. Our ISO 9001 quality control system includes incoming inspections and pre-shipment verification, guaranteeing consistent performance. Serving over 1,100 clients across 50+ countries, we have the expertise to provide cross-brand selection guidance and flexible OEM customization. Our one-stop procurement process consolidates orders, reducing supplier management costs for multi-brand projects, while dedicated technical support assists with installation and troubleshooting.

Packaging & Shipping

  • Secure carton pallet packaging to prevent damage during transit
  • 现货 available for delivery within 3-7 working days
  • Multiple logistics options including DHL, FedEx, UPS, air, and sea freight
  • Real-time tracking number provided for shipment monitoring
  • Minimum order quantity of 1 piece, supporting emergency maintenance needs

Quickly Secure Your NNU4944 B/Sp C3 W33 Bearing

Don’t let equipment downtime affect your production targets. Send us your bearing model, application details, and required quantity today. Our team will provide a unified quotation within one working day, along with complete authorization documents, ensuring you receive the right industrial machinery bearing when you need it.

Frequently Asked Questions

Q: Are these bearings genuine and traceable?

A: Yes, as an official authorized distributor of SKF & NTN, all our bearings are sourced directly from manufacturers and come with complete traceability documentation.

Q: How can I confirm if this bearing fits my equipment?

A: Provide your equipment model or specific operating conditions (load, speed, temperature), and our technical team will verify compatibility at no cost.

Q: What is your warranty policy for bearings?

A: We adhere to original manufacturer warranty standards, offering unconditional replacement for any manufacturing defects.

Q: What is the minimum order quantity for this bearing?

A: We accept orders starting from 1 piece, suitable for both emergency repairs and small-scale procurement.

Q: How long does shipping take and what methods are available?

A: In-stock items ship within 3-7 working days. We offer flexible logistics options including DHL, FedEx, UPS, air freight, and sea freight based on your urgency and location.

Q: How can I verify the authenticity of the bearing upon receipt?

A: Each bearing comes with manufacturer packaging featuring防伪 labels and laser markings. We also provide official authorization certificates for cross-verification.

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Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Industrial Machinery with Brass Cage

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