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SKF · Cylindrical Roller Bearing

High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Industrial Use

<p>Ensure peak industrial performance with the <strong>SKF NNU4926BK/SPW33</strong> high-precision double-row cylindrical roller bearing, designed to deliver exceptional load capacity and rotational accuracy for critical machinery. This open-structured bearing minimizes friction in high-speed applications, reducing downtime and extending equipment lifespan—perfect for maintaining consistent operations in demanding industrial environments.</p> <ul> <li>Double-row design provides superior radial load handling (130mm inner diameter) for heavy-duty equipment</li> <li>Directly sourced from SKF official channels, guaranteeing 100% authenticity with full batch traceability</li> <li>SPW33 precision grade ensures tight tolerance control, ideal for precision machinery requiring minimal vibration</li> </ul> <p>Backed by SKF's global quality assurance and our dedicated technical support team, this bearing arrives with complete certification documentation, ready to integrate seamlessly into your wind power, steel mill, or construction machinery systems.</p>

Product specifications
Parameter Value
Model Number High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Industrial Use
Brand SKF
Category Cylindrical Roller Bearing
Quality System SKF Global QMS · COC · Traceability
Origin SKF Official Factory
Delivery 7-15 days door-to-door
Authentic SKF
COC Included
40+ Countries
Fast Delivery

Product Details

High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Industrial Use -- Full Specifications

Product Specifications

ParameterDetails
Model NumberNNU4926BK/SPW33
Bearing TypeCylindrical Roller Bearing
Number of RowDouble Row
Inner Diameter130 mm
Seals TypeOpen
StructureCylindrical
TrademarkSKF
OriginChina
Gross Weight Per0.250 Kg Batch
Selling UnitsSingle Item

Application Suitability

IndustryTypical Applications
Steel MillsRolling mill stands, gearboxes
Mining EquipmentConveyor systems, crushers
Wind PowerGenerator shafts, gearbox components
Industrial MachineryHigh-speed rotating equipment, precision spindles

Need a High-Precision Double-Row Cylindrical Roller Bearing? Meet SKF NNU4926BK/SPW33

Finding the right bearing for industrial applications often means balancing precision, durability, and availability. Many buyers struggle with mismatched dimensions causing installation delays, or bearings that fail prematurely under heavy loads. When downtime costs add up, having a reliable supplier with the right specifications matters.

Built for Demanding Industrial Performance

The SKF NNU4926BK/SPW33 double row cylindrical roller bearing addresses these challenges with its high-precision design and robust construction. As part of our comprehensive bearing range, this model benefits from our ISO 9001-certified quality control processes and direct access to global brand inventory. Whether used in steel mill gearboxes or wind turbine generators, its double row structure delivers enhanced radial load capacity for continuous operation.

Engineered for High-Load, High-Speed Applications

This cylindrical roller bearing excels in applications requiring precise radial alignment and high rotational speeds. With an inner diameter of 130 mm and open design, it accommodates thermal expansion in heavy machinery while maintaining consistent performance. The bearing’s cylindrical structure ensures even load distribution, making it ideal for equipment like mining conveyors and industrial spindles where reliability under stress is non-negotiable.

Key Engineering Features for Long-Term Reliability

The NNU4926BK/SPW33’s double row configuration provides 30% higher radial load capacity compared to single row alternatives, critical for reducing wear in high-torque environments. Its open design allows for easy lubrication maintenance, ensuring optimal performance in temperature ranges typical of steel and automotive manufacturing. The precision-machined components meet strict dimensional tolerances, guaranteeing interchangeability with major international standards for seamless replacement.

Why Precision Bearings Reduce Total Cost of Ownership

Choosing the right high precision bearing directly impacts operational costs. Inferior bearings with poor dimensional accuracy can cause vibration, leading to premature failure of adjacent components and unplanned downtime. The SKF NNU4926BK/SPW33’s consistent quality minimizes these risks, extending equipment lifespan and reducing maintenance intervals. By investing in a bearing that matches your application’s load and speed requirements, you lower long-term costs associated with replacements and repairs.

Quality You Can Verify

Our production and inspection processes adhere to ISO 9001 standards, ensuring each bearing undergoes rigorous testing for dimensional accuracy and material hardness. We provide detailed batch inspection reports, and all products come with a manufacturer’s warranty covering manufacturing defects. With a large inventory of conventional models, we support same-day shipping for urgent requirements, and our technical team can assist with installation guidance to maximize performance.

Packaging & Shipping

  • Secure packaging in 25.00cm x 25.00cm x 25.00cm cartons to prevent damage during transit
  • Package gross weight: 0.300kg per unit
  • Flexible shipping options including express courier, air freight, and sea freight
  • Low minimum order quantity, supporting both small batch testing and large volume procurement

Get Your SKF NNU4926BK/SPW33 Quote Today

Whether you need a single unit or bulk order, provide your required quantity and delivery location, and we’ll confirm pricing and availability. Our team can also assist with cross-referencing part numbers or technical specifications to ensure compatibility with your equipment. The sooner you confirm your order, the faster we can arrange shipping.

Frequently Asked Questions

Q: Do you supply bearings from other brands besides SKF?

A: Yes, we offer a full range of international brands including NSK, NTN, Koyo, NACHI, IKO, FAG, Timken, and domestic Chinese brands, supporting multi-brand procurement.

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

A: Provide your equipment model or existing bearing dimensions (inner diameter, outer diameter, width), and our technical team will verify compatibility with the NNU4926BK/SPW33 specifications.

Q: What is your warranty policy for this bearing?

A: We provide a warranty against manufacturing defects. Specific terms are outlined in the sales contract, with coverage typically ranging from 6 to 12 months depending on application.

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

A: We accept orders starting from a single unit, allowing for small-batch testing before full-scale procurement.

Q: How quickly can you ship the NNU4926BK/SPW33 bearing?

A: If in stock, we ship within 24 hours of order confirmation. For out-of-stock items, lead times vary by brand and model, typically 7-15 days for international deliveries.

Q: Do you offer customized bearing solutions?

A: Yes, we support OEM/ODM services for non-standard dimensions, materials, and lubrication requirements. Contact us with your technical drawings or specifications for a feasibility assessment.

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High-Precision Double-Row Cylindrical Roller Bearing SKF NNU4926BK/SPW33 for Industrial Use

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