"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 |
|---|---|
| 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 |
| Specification | As Your Request |
| Origin | Jiangsu China |
| HS Code | 8482800000 |
Application Suitability
| Industry | Typical Applications |
|---|---|
| Metalworking | Lathe Machinery |
Struggling with Lathe Machinery Bearing Failures? The NU307-EC M C3 Double Row Cylindrical Roller Bearing Delivers Reliability
Lathe operators know the frustration of unexpected downtime caused by bearing failures. When a cylindrical roller bearing fails prematurely, it not only halts production but also risks damaging expensive machine components. Sourcing the right replacement can be equally challenging—navigating through countless options with unclear specifications and questionable quality.
Engineered for Lathe Metalworking Machinery's Demanding Conditions
The Double Row Cylindrical Roller Bearing NU307-EC M C3 with Brass Cage addresses these challenges directly. Designed specifically for lathe metalworking machinery, this bearing combines robust construction with precise engineering to handle the axial loads and high rotational speeds common in metalworking applications. With a comprehensive inventory covering over 95% of conventional models, we ensure same-day shipping for spot goods, minimizing your production downtime.
Optimal Performance in Metalworking Environments
This bearing excels in the harsh conditions of lathe operations, where it must withstand continuous radial and axial loads while maintaining precision. The C3 clearance ensures proper operation even with temperature variations during metalworking processes, reducing the risk of overheating and premature wear. The separated design allows for easy installation and maintenance, a critical factor in busy machine shops where every minute of uptime counts.
Key Engineering Features for Long-Term Performance
The NU307-EC M C3's brass cage provides superior strength and heat dissipation compared to steel alternatives, making it ideal for the high-temperature environments of metalworking. Its bearing steel construction, with a hardness of 60-64 HRC, ensures excellent wear resistance and durability under heavy loads. The Z1V1 to Z3V3 vibration classes offer options for varying precision requirements, allowing you to select the exact specification needed for your lathe's performance demands. These features work together to extend bearing life and reduce maintenance intervals.
Why Choosing the Right Bearing Lowers Total Cost of Ownership
Investing in a quality cylindrical roller bearing like the NU307-EC M C3 pays dividends over time. Inferior bearings often fail early, leading to unplanned downtime, increased labor costs for replacements, and potential damage to machine shafts. This model's robust design and precise manufacturing help avoid these hidden costs. By meeting ISO standards for dimensions and performance, it ensures compatibility with existing equipment, reducing the risk of installation errors that can lead to further complications and expenses.
Quality You Can Rely On
Our bearings undergo strict quality control processes, including material inspection and成品尺寸、硬度及表面处理检测. We stand behind our products with a warranty against manufacturing defects, providing you with confidence in your purchase. With access to a wide range of international and domestic brands, we can source the exact bearing you need, whether it's a standard model or a hard-to-find specification. Our commitment to quality ensures that every bearing meets the performance requirements of your lathe machinery.
Packaging & Shipping
- Packaged in carton pallets to ensure safe transportation
- Same-day shipping available for in-stock items
- Flexible shipping options including express, air, and sea freight
- Low minimum order quantity to support both small and large production needs
Get Your NU307-EC M C3 Bearing Quote Today
Don't let bearing issues disrupt your lathe operations. Provide us with the model number, quantity, and delivery location, and we'll promptly send you a competitive quote. With our extensive inventory and global shipping network, we can get your bearings to you quickly, ensuring minimal downtime for your metalworking machinery.
Frequently Asked Questions
Q: Do you supply bearings from other brands or models?
A: Yes, we support inquiries for all bearing brands and models, and can supply according to your specified requirements.
Q: How can I confirm if this bearing fits my lathe?
A: Provide your equipment's make, model, and required bearing dimensions (d x D x B), and our technical team will assist in verifying compatibility.
Q: What is your warranty policy for this bearing?
A: We offer a warranty against manufacturing defects. Specific terms and duration are detailed in the sales contract.
Q: What is the minimum order quantity for this bearing?
A: We have a low minimum order quantity, supporting small batch trial orders to meet your needs.
Q: How long does shipping take and what methods are available?
A: In-stock items ship the same day. We offer express, air, and sea freight options depending on your urgency and location.
Q: Can you provide custom bearings (OEM/ODM)?
A: Yes, we support custom bearings manufactured according to your 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.
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 NU307-EC M C3 with Brass Cage for Lathe Metalworking Machinery and can be quoted on the same inquiry.
01 Cylindrical Roller Bearing NJ206ECP/C3 NJ207ECP/C3 for Farm Machinery Oil Lubrication
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02 High Precision SKF NUP2314EM Cylindrical Roller Bearing 70x150x51mm Separated Structure for Industrial Machinery
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03 Cylindrical Roller Bearing NUP207EM 17x40x16mm for High Precision Mechanical Applications
View details
04 Cylindrical Roller Bearing N206 SKF 30x62x16mm P0-P2 for Wind Power Steel Mills
View detailsWhere this bearing is used
Double Row Cylindrical Roller Bearing NU307-EC M C3 with Brass Cage for Lathe Metalworking Machinery 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 NU307-EC M C3 with Brass Cage for Lathe Metalworking Machinery.
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 NU307-EC M C3 with Brass Cage for Lathe Metalworking Machinery
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.