Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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100% Genuine SKF
Full Traceability
ISO 9001 Certified
SKF Authorized
Cylindrical Roller Bearing
Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 for Industrial Machinery
Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure consistent performance in industrial machinery with the <strong>Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3</strong>, designed to minimize vibration and extend equipment uptime. This precision-engineered component maintains tight operational clearances (C3) under heavy radial loads, making it ideal for high-speed rotating applications where alignment stability is critical.</p><ul><li>Non-aligning design with separated inner/outer rings facilitates easy installation and maintenance, reducing downtime during replacements</li><li>Constructed from high-grade bearing steel (60-64 HRC hardness) for long-term durability in demanding industrial environments</li><li>Brass or steel cage options available to match specific operating conditions, ensuring reliable performance across diverse machinery setups</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static C₀
--
Speed Limit
--
Compatible with: Housings, adaptor sleeves, locking devices, SKF LGMT 2/3 grease, induction heaters, and SKF TMFT 36 fitting tools.
Formal quotation with SKF traceability cert within 24 hours · Sample orders available
24h Response
Quotation & Cert
60+ Countries
DDP/DAP/CIF
ISO 9001
Quality Certified
Full Specifications
Complete Technical Parameters
Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 for Industrial Machinery -- Parameter Sheet
SKF · Cylindrical Roller Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (C₀) | -- | kN |
| Fatigue Limit Load (Pu) | -- | kN |
| Reference Speed | -- | r/min |
| Limiting Speed | -- | r/min |
| Mass | -- | kg |
| Clearance Class | C3 | ISO 281 |
| Cage Material | -- | -- |
| Sealing / Shield | -- | -- |
| Lubrication | Grease / Oil bath | -- |
| Operating Temp. Range | −30 to +120 °C | -- |
| Vibration Level | SKF E1 / Standard | -- |
| Misalignment Tolerance | -- | ° |
| Fit Recommendation (shaft) | -- | ISO |
| Fit Recommendation (housing) | -- | ISO |
| Replacement / Cross Ref. | -- | -- |
* All specifications are reference values. Contact our SKF engineers for application-specific confirmation.
Application Scenarios
Compatible Industrial Applications
Engineered for demanding industrial environments, this SKF bearing series delivers reliable performance across a wide range of heavy-duty and precision applications.
Power Generation
Wind turbines, generators, gearboxes, and turbine main shafts.
Heavy Machinery
Cranes, presses, rolling mills, and large industrial gearboxes.
Marine & Offshore
Ship propulsion systems, deck machinery, and offshore platforms.
Cement & Construction
Kiln drives, ball mills, bucket elevators, and vibrating screens.
Pulp & Paper
Paper machine rolls, dryer sections, and calender rolls.
Full Portfolio
One-Stop SKF Supporting Solutions
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Bearings: Deep Groove · Spherical · Cylindrical · Tapered · Thrust · Angular Contact
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Sealing: Radial shaft seals · V-rings · Labyrinth seals · Bearing isolators
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Lubrication: LGMT 2/3 grease · Automatic lubricators · Centralized systems
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Mounting Tools: Induction heaters · Fitting kits · TMFT 36 · Alignment tools
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Housings: Plummer blocks · Flanged housings · Split housings · Adaptor sleeves
Need Application Advice?
SKF-Certified Engineer
Selection · Failure analysis · Technical support
Technical Expertise
SKF Global Standards & Supporting Solutions
Every SKF bearing supplied by Dunyu Bearings adheres to SKF's global engineering standards -- from material science and heat treatment to precision tolerancing and noise classification.
Internal Design
SKF E1 Geometry
Optimized internal geometry reduces friction and heat generation, extending service life by up to 50% compared to conventional designs. Ideal for high-speed and high-temperature applications.
ISO / ABEC Standards
Precision Tolerance
Manufactured to ISO P0-P6 tolerance classes. Dimensional accuracy and running accuracy are 100% verified before shipment, with full batch traceability records.
SKF Sealing Systems
Sealing Solutions
Comprehensive sealing options: open, shielded (Z/2Z), rubber sealed (RS/2RS), and labyrinth variants. SKF V-rings and radial shaft seals available as integrated solutions.
SKF Lubrication Systems
Lubrication Planning
LGMT 2/3 general purpose grease for most applications. LGEP 2 for heavy loads, LGHP 2 for high temperatures. SKF automatic lubricators (SYSTEM 24) for continuous re-lubrication.
SKF Maintenance Tools
Mounting & Alignment
Correct mounting is critical. SKF TMFT 36 fitting tool kit, induction heaters (TIH 030M/100M), and laser alignment tools ensure damage-free installation and maximum service life.
Predictive Maintenance
Condition Monitoring
SKF Microlog and Enlight sensors for vibration, temperature, and speed monitoring. Enable predictive maintenance strategies to minimize unplanned downtime and optimize bearing replacement intervals.
Product Details
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 |
| HS Code | 8482800000 |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Electric Motors, Gearboxes, Pumps, Fans |
| Manufacturing | CNC Machine Tools, Conveyors, Compressors |
| Industrial Processing | Material Handling Equipment, Mixers, Crushers |
Stop Production Delays with Reliable Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3
OEM manufacturers know the cost of unexpected downtime—counterfeit bearings failing prematurely, delivery delays disrupting production schedules, and technical support gaps leaving teams to troubleshoot alone. When your industrial machinery relies on precise components, even small inconsistencies in bearing performance can lead to significant losses.
Genuine Small Gap Nu317 Ec M/C3 Bearings, In Stock for Fast Delivery
As an official SKF authorized distributor, we provide the Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 with full traceability documentation, ensuring you avoid customs clearance issues and quality disputes. Our large centralized warehouse maintains stock for immediate fulfillment, eliminating the 30–50% lead time extension common with multi-tier distribution. This bearing is engineered for industrial machinery operating under medium to heavy loads, delivering consistent performance in gearboxes, electric motors, and material handling equipment.
Optimal Performance in Demanding Industrial Machinery
The Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 excels in applications requiring high radial load capacity and precise axial alignment. Its non-aligning design ensures stability in machinery with minimal shaft deflection, while the C3 clearance provides thermal expansion allowance for continuous operation at moderate temperatures. Whether used in CNC machine spindles or conveyor systems, this bearing maintains dimensional stability under cyclic loads, reducing maintenance intervals and unplanned downtime.
Technical Features That Ensure Long-Term Reliability
Crafted from high-grade bearing steel with a hardness of 60–64 HRC, this bearing balances durability and toughness to withstand industrial wear. The separated inner and outer rings simplify installation and replacement, while brass or steel cages optimize roller guidance for smooth operation at varying speeds. Vibration class Z1V1 to Z3V3 options allow customization based on noise sensitivity—critical for precision machinery where excessive vibration can compromise product quality. The C3 clearance rating is particularly suited for applications with moderate temperature rises, preventing premature failure due to thermal expansion.
Avoid Hidden Costs: The Value of Genuine Cylindrical Roller Bearings
Non-genuine bearings may seem cost-effective initially, but they often lack the material quality and manufacturing precision of authentic components. This leads to shortened service life—sometimes as little as 30% of OEM standards—and increased risk of catastrophic failure. The resulting downtime, repair costs, and potential damage to adjacent machinery far outweigh the upfront savings. Our bearings comply with ISO 9001 and SKF global standards, ensuring batch consistency and performance reliability that reduces total cost of ownership over time.
Why Industrial OEMs Choose Our Bearing Solutions
With over a decade serving 60+ countries, we’ve built a reputation for reliability in industrial bearing supply. Our SKF-certified technical team provides free model selection support, ensuring the Nu317 Ec M/C3 bearing matches your specific operating conditions—from load magnitude to rotational speed. Each bearing comes with complete traceability documentation, including batch test reports and brand authorization certificates. We offer flexible OEM schemes, from small-batch trials to large-scale production orders, with dedicated account managers tracking every step from warehouse to delivery.
Packaging & Shipping
- Secure carton pallet packaging with moisture-resistant lining to protect against transport damage
- Expedited handling for in-stock items, with 3–7 business day delivery to major industrial hubs
- Global door-to-door logistics via DHL, FedEx, or UPS, with optional air or sea freight for bulk orders
- Real-time tracking provided once shipped, allowing precise production scheduling
- Minimum order quantity of 1 unit, supporting emergency repairs and small-scale maintenance needs
Get Your Nu317 Ec M/C3 Bearing Delivered Fast
Every day your machinery is idle costs money. Send us your bearing model list, application parameters, and required quantity today, and our team will issue a formal quotation with traceability certificates within 24 hours. We support sample testing to verify performance before full-scale orders, ensuring complete confidence in your purchase.
Frequently Asked Questions
Q: Are these genuine SKF bearings?
A: Yes, we are an official SKF authorized distributor. Every Small Gap Double Row Cylindrical Roller Bearing Nu317 Ec M/C3 comes with full traceability documentation and brand authorization certificates.
Q: How do I confirm this bearing fits my equipment?
A: Provide your equipment model or operating parameters (load, speed, temperature), and our SKF-certified technical team will verify compatibility at no cost.
Q: What is your warranty policy?
A: We adhere to SKF’s原厂质保标准, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity?
A: We accept orders for 1 unit, ideal for emergency repairs or small-batch production needs.
Q: How quickly can you ship?
A: In-stock bearings ship within 3–7 business days via DHL, FedEx, or UPS, with global door-to-door delivery.
Q: How can I verify bearing authenticity?
A: Each bearing includes SKF’s laser-etched markings and packaging with security features. We also provide full traceability documents for cross-verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
Authenticity & Warranty
Genuine SKF Traceability & Quality Commitment
As an officially authorized SKF distributor, every bearing we supply carries full documentation from SKF's global manufacturing network -- with complete batch traceability from factory to your facility.
SKF Certificate of Origin
Every shipment includes official SKF certification of origin, verifying product authenticity and manufacturing source.
Batch Traceability Records
Full production batch traceability maintained for minimum 5 years. Enables quality audit and failure investigation.
SKF Authorized Distributor Status
Verified annually by SKF. Our authorized status can be confirmed directly through the SKF distributor verification system.
Quality Warranty
All products carry SKF manufacturer warranty. Defective products are replaced or refunded -- no questions asked.
Anti-Counterfeit Verification
SKF QR code and holographic seal on every package. Verify authenticity instantly via SKF's official verification portal.
Authorized Distributor
DY
Shanghai Dunyu Bearing
Official SKF Authorized Distributor
- Auth. Since
- 2010+
- Quality Std.
- ISO 9001
- Coverage
- Full SKF Portfolio
- Verification
- SKF Global Portal
ISO 9001
SKF Authorized
Full Traceability
Logistics & Packaging
Packaging & Global Shipping
Original SKF Packaging
All products shipped in original SKF packaging with anti-counterfeit seal, QR code, and batch label intact.
Export Carton + Wooden Crate
Standard export carton for small orders. Custom wooden crates with moisture-proof lining for large/heavy shipments.
Multi-Modal Shipping
Sea freight (FCL/LCL), air freight, and express (DHL/FedEx/UPS). DDP, DAP, CIF, FOB terms all supported.
Delivery Timeline
In-stock items: 1-3 days dispatch. Air freight: 3-7 days door-to-door. Sea freight: 15-35 days by destination.
Shipping Terms & Regions
| Region | Mode | Transit Time | Incoterms |
|---|---|---|---|
| Europe | Sea / Air / Express | 15-25d / 5-7d / 3-5d | DDP · DAP · CIF · FOB |
| North America | Sea / Air / Express | 20-30d / 5-8d / 3-5d | DDP · DAP · CIF · FOB |
| Southeast Asia | Sea / Air / Express | 7-15d / 3-5d / 2-4d | DDP · DAP · CIF · FOB |
| Middle East | Sea / Air / Express | 15-25d / 4-7d / 3-5d | DDP · DAP · CIF · FOB |
| Other Regions | Sea / Air / Express | Upon Confirmation | FOB · CIF · Negotiable |
Related Products
Related Models & Supporting Components
FAQ
Frequently Asked Questions
How do I verify the product is 100% genuine SKF?
Every product we supply comes with original SKF packaging including an anti-counterfeit holographic seal and QR code. You can scan the QR code on the SKF official website to verify authenticity. We also provide the SKF Certificate of Origin with every shipment, and our authorized distributor status can be verified directly through SKF's global distributor portal.
What is the minimum order quantity (MOQ)?
There is no strict minimum order quantity for standard catalog items. We support single-piece sample orders for testing and evaluation. For bulk procurement and long-term supply programs, we offer preferential pricing and dedicated inventory reservation. Contact our sales team for a customized procurement plan.
How long does it take to receive a formal quotation?
We guarantee a formal quotation with full SKF traceability certification within 24 business hours of receiving your inquiry. For urgent requirements, our team can typically respond within 2 hours during business hours (Mon-Sat, 9:00-18:00 GMT+8). Contact us via WhatsApp for fastest response.
Do you support DDP (Delivered Duty Paid) shipping?
Yes, we fully support DDP, DAP, CIF, and FOB incoterms across 60+ countries. Our logistics team handles all export documentation, customs clearance, and last-mile delivery. We work with leading freight forwarders and express carriers (DHL, FedEx, UPS) to ensure reliable and timely delivery.
Can you provide technical support for bearing selection?
Absolutely. Our SKF-certified engineers provide comprehensive technical support including bearing selection, application analysis, failure investigation, and lubrication planning. We can also assist with housing selection, mounting tool recommendations, and condition monitoring solutions. Technical support is available 24/7 via email and WhatsApp.
What are the payment terms?
We accept T/T (bank transfer), L/C (letter of credit) for large orders, and Western Union. Standard terms are 30% deposit with 70% balance before shipment. For established long-term customers with framework agreements, we offer net payment terms. All transactions are conducted in USD or EUR.
What happens if I receive a defective product?
All products carry the full SKF manufacturer warranty. In the unlikely event of a defective product, we will arrange replacement or full refund -- no questions asked. Our quality team will also conduct a failure analysis to identify the root cause and prevent recurrence. Please retain the original packaging and documentation for warranty claims.
Still have questions? Chat with our SKF engineers →
Start Your Procurement
Get a Formal Quote
Within 24 Hours.
Send us your bearing model, quantity, and delivery requirements. Our SKF-certified team will respond with a formal quotation, traceability certificate, and logistics plan.
- 100% Genuine SKF with Certificate of Origin
- Formal quotation within 24 hours
- Sample orders & bulk supply supported
- DDP/DAP/CIF to 60+ countries
- Dedicated SKF-certified account manager
Send Inquiry -- SKF Bearing Specialist Online