Mining & Metallurgy
Crushers, mills, conveyors, and smelting equipment under heavy radial/axial loads.
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Cylindrical Roller Bearings
Double Row Cylindrical Roller Bearing RNU310 EC P for Mechanical Repair & Maintenance
Double Row Cylindrical Roller Bearing RNU310 EC P for Mechanical Repair & Maintenance
In Stock · Ready to Ship
<p>Minimize downtime during mechanical repairs with the reliable <strong>Double Row Cylindrical Roller Bearing RNU310 EC P</strong>, engineered to deliver consistent performance in high-load maintenance scenarios. Its separated inner ring design allows for easy installation and replacement, ensuring your team can quickly restore equipment to optimal operation without unnecessary delays.</p><ul><li>Non-aligning construction maintains precision under radial loads, ideal for machinery requiring stable shaft support</li><li>Available clearance options (C0-C5) let you match bearing performance to specific operating conditions, reducing premature wear risks</li><li>Manufactured from high-quality bearing steel with 60-64 HRC hardness for long service life in demanding industrial environments</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
Double Row Cylindrical Roller Bearing RNU310 EC P for Mechanical Repair & Maintenance -- Parameter Sheet
SKF · Cylindrical Roller Bearings
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Cylindrical Roller Bearings |
| 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 |
| Industrial Manufacturing | Conveyors, Compressors, Machine Tools |
| Mechanical Repair | Maintenance Workshops, Production Line Overhauls |
Stop Production Delays with Reliable RNU310 EC P Double Row Cylindrical Roller Bearing
Mechanical repair teams know the frustration: a bearing failure shuts down production, but replacement parts from untrusted sources arrive with incomplete documentation or questionable quality. When your maintenance schedule can’t wait, the risk of using non-genuine bearings—with their hidden costs of early failure and inconsistent performance—threatens your operation’s productivity.
Genuine Double Row Cylindrical Roller Bearing RNU310 EC P, In Stock for Urgent Repairs
Our RNU310 EC P Double Row Cylindrical Roller Bearing addresses these critical repair needs with the reliability that comes from official authorization and full traceability. As an SKF-authorized distributor, we maintain a large centralized warehouse stocked with maintenance-grade bearings, ensuring this non-aligning roller bearing is ready for immediate dispatch. Whether you’re repairing a gearbox in a manufacturing plant or servicing a conveyor system in a logistics hub, our bearing delivers the batch stability and performance consistency your mechanical repair requires.
Engineered for Heavy-Duty Mechanical Repair Scenarios
The RNU310 EC P Double Row Cylindrical Roller Bearing excels in applications with high radial loads and moderate axial displacement, common in industrial machinery repair. Its separated design allows for easy installation during maintenance, while the non-aligning configuration suits equipment where shaft misalignment is minimal. This bearing performs reliably in operating temperatures typical of manufacturing environments, making it a go-to solution for mechanical repair and maintenance teams working across diverse industrial scenarios.
Technical Features That Ensure Repair Success
Three key technical attributes define the performance of this maintenance roller bearing. The 60-64 HRC hardness of the bearing steel ensures resistance to wear and deformation under heavy loads, extending service life in repaired equipment. Available clearance grades (C0-C5) allow precise matching to specific operating conditions—tighter clearances for high-precision applications, looser clearances for thermal expansion scenarios. The brass or steel cage options provide durability; brass cages excel in high-speed operations, while steel cages offer enhanced strength for shock-loading environments. These features combine to make the RNU310 EC P a versatile choice for mechanical repair.
Why Cutting Corners on Bearings Costs More in Repairs
Choosing non-genuine bearings for mechanical repair creates hidden liabilities. Counterfeit products often lack proper heat treatment, leading to premature fatigue and unexpected failures that can damage adjacent components. Incomplete traceability documentation from gray-market suppliers complicates quality audits and liability claims if equipment malfunctions. Our RNU310 EC P bearing, backed by ISO 9001 quality management and SKF global standards, eliminates these risks. The true cost of a bearing isn’t just its purchase price—it’s the avoided downtime, reduced rework, and consistent performance that genuine parts deliver over their operational life.
Your Trusted Partner for Mechanical Repair Bearings
We’ve earned the trust of maintenance teams in 60+ countries by delivering on four core promises: official SKF authorization ensures every RNU310 EC P bearing is fully traceable from production to delivery; our SKF-certified technical team provides free model selection support to ensure you get the right bearing for your repair; our centralized warehouse maintains ready stock for emergency delivery; and every bearing undergoes pre-shipment inspection to verify compliance with SKF specifications. When your repair timeline can’t accommodate delays or quality doubts, our 15 years of industrial bearing expertise provides the reliability you need.
Packaging & Shipping
- Protective carton packaging with pallet reinforcement for secure transport
- 3-7 business day delivery for in-stock items to support urgent repairs
- Global logistics options including DHL, FedEx, UPS, air, and sea freight
- Real-time tracking number provided upon shipment
- Minimum order quantity of 1 piece to meet emergency maintenance needs
Get Your RNU310 EC P Bearing Shipped Today
Every hour your equipment is down costs money—don’t wait for unreliable suppliers. Send us your RNU310 EC P bearing requirement with application details, and our team will issue a formal quotation within 24 hours. With our stock availability and global door-to-door logistics, we can have this maintenance roller bearing on its way to your facility immediately.
Frequently Asked Questions
Q: Is this RNU310 EC P bearing a genuine SKF product?
A: Yes, we are an official SKF authorized distributor. Every bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How can 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 the warranty policy for this bearing?
A: We adhere to SKF's global warranty standards, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity for the RNU310 EC P?
A: We accept orders starting from 1 piece, specifically to support emergency mechanical repair needs.
Q: How quickly can you ship this bearing?
A: In-stock bearings ship within 3-7 business days via your choice of DHL, FedEx, UPS, air, or sea freight.
Q: How do I verify the bearing's authenticity upon delivery?
A: Check the packaging for SKF's official holographic label and laser-etched part number. We also provide full traceability documents for cross-verification through SKF's official channels.
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