Authorized SKF Distributor Ball, roller, needle, thrust and mounted bearings for industrial buyers worldwide
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 List| Parameter | Details |
|---|---|
| Bearing Type | 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 |
| Industry | Typical Applications |
|---|---|
| Heavy-Duty Industrial | Machinery requiring high axial load capacity |
Selecting the correct bearing for heavy-duty industrial machinery can be challenging. Mismatched dimensions often lead to installation delays, while substandard materials result in premature wear and unexpected downtime. Sourcing from multiple suppliers to find the right specifications only adds to procurement complexity.
This Double Row Cylindrical Roller Bearing addresses these challenges with its robust design. As part of our comprehensive bearing range, it benefits from our ISO 9001 certified production and inspection processes. With interchangeable dimensions following international standards, it fits seamlessly into existing machinery setups, reducing replacement hurdles. Our extensive inventory ensures quick access to common models, minimizing production interruptions.
Designed for heavy-duty industrial machinery, this bearing excels under high axial loads. Its separated structure allows for easy mounting and dismounting, a critical feature in maintenance-intensive settings. The non-aligning design performs reliably in applications with minimal shaft misalignment, ensuring consistent operation in steel mills, mining equipment, and construction machinery where stability is paramount.
The bearing's 60-64 HRC hardness provides excellent wear resistance, extending service life in abrasive environments. Available clearance options (C0, C2, C3, C4, C5) allow precise matching to operating conditions—C3 clearance, for instance, accommodates thermal expansion in high-temperature applications. The choice of brass or steel cages offers flexibility: brass cages provide superior strength at elevated temperatures, while steel cages offer cost-effective durability in standard industrial settings. Vibration classes Z1V1 to Z3V3 enable selection based on noise and precision requirements, ensuring compatibility with sensitive equipment.
Choosing the right Heavy-Duty Industrial Bearing directly affects your bottom line. A correctly specified bearing reduces unplanned downtime, lowering maintenance and replacement costs. Using ISO 281 fatigue life calculation principles, this bearing is engineered to withstand heavy loads over extended periods, minimizing the risk of catastrophic failure that can damage adjacent components. While initial cost is a consideration, the long-term savings from reduced downtime and maintenance make this W33 Cylindrical Roller Bearing a cost-effective choice for critical machinery.
Our manufacturing process adheres to ISO 9001 standards, with rigorous原材料 inspection and成品 testing for dimensions, hardness, and surface quality. Each bearing comes with a warranty covering manufacturing defects, ensuring reliability in your application. We maintain a diverse inventory that includes this NNU4944 Bearing and many other models, supporting both small-scale repairs and large-volume production needs. Our global logistics network enables efficient delivery, so you get the bearings you need when you need them.
Whether you need a single unit or a bulk order, provide us with the bearing model, quantity, and delivery location, and we’ll promptly send you a competitive quote. Our team can also assist with verifying compatibility if you share your machinery specifications. The sooner you confirm your order, the sooner we can arrange shipment to keep your operations running smoothly.
Q: Can you supply other brands or models of bearings?
A: Yes, we support inquiries for all bearing brands and models, and can supply products according to your specified requirements.
Q: How do I confirm if this bearing fits my equipment?
A: Provide the required dimensions (d x D x B) or equipment model, and our technical team will assist in verifying compatibility.
Q: What is your warranty policy for this bearing?
A: We provide a warranty covering manufacturing defects; specific terms are detailed in the sales contract.
Q: What is the minimum order quantity?
A: We offer low minimum order quantities, supporting small batch trial orders.
Q: How long does shipping take and what logistics options are available?
A: In-stock items ship immediately; we offer express, air, and sea freight options to meet your timeline requirements.
Q: Do you support OEM or ODM customization?
A: Yes, we can customize bearings according to your provided drawings or specifications.
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.
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.
Ball, roller, needle, thrust, mounted and precision bearings handled in a single industrial order.
One inquiry covers parts for different machines, with designations and internal stock codes matched line by line.
Routine replacement bearings and special-specification models are labelled separately on your quote.
Identification gaps are closed before quoting; any alternative is listed separately for your approval.
These SKF models share the category of Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Heavy-Duty Industrial Machinery and can be quoted on the same inquiry.
01 
02 
03 
04 Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Heavy-Duty Industrial Machinery is specified in the applications below. Open an application to see the matching SKF bearing categories.
Industrial buyers in the USA, Mexico, Oman, France, New Zealand and Brazil source genuine SKF bearings and mixed lists through Electrical Equipment.
"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."
Ahmed Al-FarsiFarsi Industrial Services · Oman "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."
Luis HernandezHernandez Manufacturing · Mexico "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."
Graham McLeodMcLeod Fabrication · New Zealand These guides cover selection, identification and replacement points relevant to Double Row Cylindrical Roller Bearing NNU4944 B/Sp C3 W33 for Heavy-Duty Industrial Machinery.
Stop shaft seizure in non-locating positions with our SKF CARB vs Cylindrical Roller comparison. Learn how CARB toroidal bearings accommodate thermal expansion and misalignment…
Read the guide Master SKF AH 3138 withdrawal sleeve specs to prevent lock nut slippage and catastrophic bearing failures in heavy machinery. Learn exact dimensions, hydraulic installation…
Read the guide
Secure genuine Bearings in Rotary Kilns and Dryers with full traceability to prevent costly downtime from counterfeit parts. Verify internal clearance and HS codes…
Read the guideShort answers on identification, mixed orders, quote terms and substitutions at Electrical Equipment.
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.
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.
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.
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.
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.
