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 |
|---|
| Manufacturing | CNC Machines, Gearboxes, Electric Motors |
| Steel & Metallurgy | Rolling Mills, Continuous Casters |
| Mining & Construction | Crushers, Conveyors |
| Energy & Power | Compressors, Generators |
Reduce Downtime with Small Gap Double Row Cylindrical Roller Bearing NU317 EC M/C3
Industrial machinery operators face constant challenges with bearing failures—especially in high-load applications where precision and durability are critical. Mismatched clearances lead to excessive vibration, while substandard materials result in premature wear, forcing unplanned shutdowns and costly repairs. Sourcing reliable bearings often means coordinating with multiple suppliers, each with different lead times and quality standards, further delaying maintenance.
Small Gap Bearings for Industrial Machinery: Engineered for Reliability
Our Small Gap Double Row Cylindrical Roller Bearing NU317 EC M/C3 addresses these pain points directly. With 60-64 HRC hardness, this bearing delivers exceptional wear resistance in heavy-duty industrial machinery. As an official SKF solution provider, we ensure full-process quality control compliant with global standards, eliminating the risks of counterfeit products. Whether for gearboxes in manufacturing plants or rolling mills in steel production, our one-stop procurement process streamlines your supply chain, reducing coordination efforts and ensuring consistent delivery.
Optimal Performance in Demanding Conditions
This NU317 EC M/C3 bearing excels in applications requiring high radial load capacity and precise axial alignment. Its separated design allows for easy mounting and dismounting, a critical advantage during maintenance. The small gap configuration minimizes internal clearance variation, making it ideal for machinery operating at moderate speeds with fluctuating loads—common in conveyors, crushers, and CNC machine spindles. The combination of brass or steel cages and bearing steel construction ensures stability even in dusty industrial environments.
Technical Details That Define Performance
The 60-64 HRC hardness rating of the bearing raceways and rollers is achieved through precision heat treatment, directly impacting wear resistance and fatigue life. This hardness range balances toughness and durability, preventing indentation under heavy loads while maintaining flexibility to withstand shock. The C3 clearance class provides sufficient internal space to accommodate thermal expansion in continuous operation, reducing friction and heat buildup. Available vibration grades (Z1V1 to Z3V3) allow customization based on noise sensitivity—critical for precision manufacturing equipment where excessive vibration can compromise product quality.
The True Cost of Substandard Bearings
Choosing low-quality bearings may reduce upfront costs, but the hidden expenses add up quickly. A single bearing failure in a steel mill rolling stand can halt production for 8-12 hours, resulting in losses of $50,000 or more in downtime alone. Counterfeit bearings often lack proper material composition and heat treatment, leading to unpredictable performance and safety risks. Our High Hardness Cylindrical Roller Bearings, backed by SKF's global standards, minimize these risks by ensuring consistent load distribution, reduced wear, and longer service intervals—lowering total cost of ownership over time.
Why Buyers Trust Our Bearing Solutions
With over 900 clients across 50+ countries, our reputation is built on tangible commitments to quality and service. As an official authorized distributor, every NU317 EC M/C3 bearing can be traced to the original manufacturing process, with complete authorization documentation provided upon request. Our sealing and lubrication engineering team offers free application analysis to ensure proper bearing selection, while our centralized warehouse enables emergency maintenance delivery for critical situations. We conduct incoming quality inspections on all products and provide manufacturer-backed warranties, giving you confidence in every purchase.
Packaging & Shipping
- Carton pallet packaging with protective internal cushioning to prevent damage during transit
- Stock availability for fast dispatch—typically 3-7 business days for standard orders
- Flexible shipping options including DHL, FedEx, UPS, air freight, and sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity of 1 unit, supporting both scheduled maintenance and emergency repairs
Get Your NU317 EC M/C3 Bearing Today
Don’t let bearing-related downtime impact your production schedule. Whether you need a single Small Gap Double Row Cylindrical Roller Bearing for emergency repair or a bulk order for planned maintenance, our team is ready to assist. Send us your exact requirements, including application details, and we’ll provide a tailored quote within one business day—helping you get your machinery back to optimal performance quickly.
Frequently Asked Questions
Q: Are these bearings genuine and traceable?
A: Yes, as an official SKF solution provider, all our bearings are sourced through authorized channels and come with complete traceability documentation to verify authenticity.
Q: How do I confirm if the NU317 EC M/C3 is suitable for my equipment?
A: Provide your equipment model, operating speed, load conditions, and temperature range. Our technical team will conduct a free application analysis to confirm compatibility.
Q: What warranty coverage do you offer?
A: We provide manufacturer-backed warranties covering manufacturing defects. Contact our support team with details of any issues for prompt resolution.
Q: What is the minimum order quantity?
A: We accept orders starting from 1 unit, making us ideal for both emergency repairs and small-batch maintenance needs.
Q: How quickly can I receive my order?
A: In-stock bearings are typically shipped within 3-7 business days. For urgent requests, expedited shipping options are available upon inquiry.
Q: How can I verify the bearing's hardness and specifications?
A: Each bearing comes with a certificate of compliance detailing hardness (60-64 HRC), clearance class, and other technical parameters. Our quality control team can provide additional test reports if required.
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