"When a critical piece of rotating equipment failed, we needed a mixed SKF list urgently. The supplier consolidated the order, shipped same-day, and the parts were on our plant floor in two days. The equipment was back online before the end of the shift."




Buying for several machines? Add this model to one inquiry with the other SKF bearings, housings and accessories on your list. Each line keeps its own designation, quantity and specification.
Send Your Full ListAbout this SKF bearing
Product Specifications
| Parameter | Details |
|---|---|
| Bearing Type | Double Row Cylindrical Roller Bearing |
| Outer Dimension Range | Medium and Large (120-190mm) |
| Material | Bearing Steel |
| Alignment Type | Non-Aligning Bearings |
| Load Direction | Axial Bearing |
| Separable Design | Separated |
| Clearance | C0 C2 C3 C4 C5 |
| Cage Material | Brass, Steel |
| Vibration Class | Z1V1 Z2V2 Z3V3 |
| Surface Hardness | 60-64 HRC |
| Transport Package | Carton Pallet |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Metallurgical Machinery | Rolling mill equipment, continuous casting machines, metal processing lines |
Need a Durable NNU4936 Double Row Cylindrical Roller Bearing for Metallurgical Machinery?
Metallurgical operations demand bearings that can withstand heavy loads and high temperatures without premature failure. Many procurement teams struggle with sourcing bearings that match both dimensional accuracy and hardness requirements, leading to costly downtime when components don't perform as expected.
Engineered for Reliable Performance in Metallurgical Environments
This Double Row Cylindrical Roller Bearing NNU4936 addresses the critical needs of metallurgical machinery with its separated design and 60-64 HRC hardness, ensuring resistance to wear even under continuous operation. Our extensive inventory and full range of bearing solutions mean you can source both standard and specialized components through a single supplier, simplifying your procurement process.
Optimal Performance in High-Load, High-Temperature Conditions
Designed specifically for metallurgical machinery, this bearing excels in applications involving axial loads and moderate misalignment. Its C3 clearance provides thermal expansion allowance, making it suitable for environments where operating temperatures fluctuate. The combination of brass or steel cages ensures structural integrity under the heavy loads typical in rolling mill and metal processing equipment.
Key Engineering Features for Long Service Life
The bearing's 60-64 HRC surface hardness is achieved through precision heat treatment, enhancing fatigue resistance and extending service intervals. Its separable inner and outer rings allow for easier installation and maintenance, reducing downtime during component replacement. Available with Z1V1 to Z3V3 vibration classes, it can be matched to specific noise and smoothness requirements, ensuring compatibility with sensitive machinery.
Why Precision Matters for Total Cost of Ownership
Choosing the right cylindrical roller bearing directly impacts operational costs. A bearing with incorrect clearance or insufficient hardness may fail prematurely, leading to unplanned shutdowns and expensive repairs. This NNU4936 bearing's compliance with industry standards ensures consistent performance, minimizing the risk of equipment damage and reducing long-term maintenance expenses. Properly selected bearings based on load, speed, and temperature requirements contribute to lower total cost of ownership.
Quality Assurance You Can Trust
Our manufacturing and testing processes follow strict quality control measures, including raw material inspection and finished product testing for dimensions, hardness, and surface treatment. We provide quality assurance documentation to verify compliance with specifications. With a focus on reliability, we stand behind our products and offer support for any manufacturing defects. Our ability to source across multiple brands and models ensures you get the right bearing for your specific application.
Packaging & Shipping
- Standard packaging: Carton pallet for secure transportation
- Prompt dispatch for in-stock items
- Flexible shipping options: Express, air, or sea freight available
- Low minimum order quantity to support both small and large scale requirements
Get a Quote for Your NNU4936 Bearing Requirement
Whether you need a single unit or bulk order, provide us with your specific requirements including quantity and delivery location, and we'll promptly share pricing and availability. Our team can also assist with technical verification to ensure compatibility with your equipment.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we support procurement across a wide range of brands and models. We can source bearings according to your specified brand, model, or technical requirements.
Q: How can I confirm if this bearing fits my equipment?
A: Provide your equipment model or the required dimensions (bore diameter, outer diameter, width), and our technical team will verify compatibility with the NNU4936 bearing specifications.
What is your warranty policy for this bearing?
A: We provide a warranty against manufacturing defects. Specific warranty terms are detailed in our sales contract and cover replacement or refund for verified quality issues.
What is the minimum order quantity for this bearing?
A: We offer low minimum order quantities, including support for small batch purchases, to meet both trial and production requirements.
How long does shipping take, and what methods are available?
A: In-stock items ship immediately. Delivery time depends on the shipping method selected—express (3-5 days), air freight (7-10 days), or sea freight (varies by destination).
Can you provide custom bearings according to specific designs?
A: Yes, we support OEM/ODM services for custom bearings. Provide your technical drawings or specifications, and we can manufacture bearings to your exact requirements.
Ready to order or need a quote?
Send the bearing model, dimensions (d x D x B), and quantity — we'll get back to you with pricing and lead time.
One SKF inquiry. Every line accounted for.
Electrical Equipment is an Authorized SKF Distributor that turns mixed equipment lists into itemised, comparable quotes and consolidated supply for industrial plants, maintenance contractors and distributors worldwide.
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Broad SKF range in one purchase
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
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Mixed equipment lists
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
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Standard and precision flagged
Routine replacement bearings and special-specification models are labelled separately on your quote.
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No unapproved substitutes
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
Related SKF bearings
These SKF models share the category of Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 W33 for Metallurgical Machinery 60-64 HRC and can be quoted on the same inquiry.
01 Cylindrical Roller Bearings NU305E 25x52x15mm for Industrial Machinery with Separated Design
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02 NJ307 Cylindrical Roller Bearing 35x80x21mm P0-P2 Precision for Reducer
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03 Cylindrical Roller Bearing NUP208EM 17x40x16mm P0-P2 Precision for Precision Mechanical Equipment
View details
04 Cylindrical Roller Bearing NUP205EM 25x52x15mm for Precision Industrial Machinery
View detailsWhere this bearing is used
Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 W33 for Metallurgical Machinery 60-64 HRC is specified in the applications below. Open an application to see the matching SKF bearing categories.
Trusted by plants and maintenance teams
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"We had a bad experience with counterfeit SKF bearings from another supplier. The bearings from skfus.com are genuine, traceable, and the packaging matches SKF's current format. Our reliability team verified the first batch and we now use them as our primary source."
"The SKF mounted units and insert bearings we ordered for a conveyor upgrade were supplied with the correct housing and locking arrangement. Our maintenance team installed them without modification. No noise, no leaks, no call-backs."
Technical articles for this bearing type
These guides cover selection, identification and replacement points relevant to Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 W33 for Metallurgical Machinery 60-64 HRC.
SKF CARB vs Cylindrical Roller: Wholesale Supplier for Non-Locating Positions
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SKF AH 3138 Withdrawal Sleeve Specs: Wholesale Supplier
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Read the guideQuestions about ordering this SKF bearing
Short answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
What if my SKF designation is incomplete?
Send a clear photo of the bearing markings and note which details still need confirming. We close identification gaps, including the exact specification and complete assembly, before you accept a quote. Nothing is substituted to fill a gap.
Can I quote this bearing together with other SKF categories?
Yes. Standard, precision and mounted units can sit in one itemised inquiry, with each line keeping its own designation, quantity and specification. Housings and mounting accessories are added when they are part of your supply scope.
What does the written quote include?
Each quote lists the designation, quantity, price and currency, stock availability, estimated lead time and quote validity. Applicable freight or tax terms are stated, and the product documents available for your order are confirmed.
How are substitutions confirmed?
Only with your approval. Any alternative is marked separately on the quote, and every technical change needs sign-off from the buyer before an order is placed.
Get a written quote for Double Row Cylindrical Roller Bearing NNU4936 B/Sp C3 W33 for Metallurgical Machinery 60-64 HRC
Send this model alone or with your full SKF list. We verify the identification details on every line first, then issue an itemised written quote with lead time and validity.