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
Deep Groove Ball Bearings
Ball & Roller Bearing Set 21312EK for Industrial Equipment OEM with Full Traceability
Ball & Roller Bearing Set 21312EK for Industrial Equipment OEM with Full Traceability
In Stock · Ready to Ship
<p>Ensure seamless production continuity with our <strong>21312EK bearing</strong> set, engineered to eliminate supply chain disruptions and quality uncertainties for industrial equipment OEMs. As an official SKF authorized distributor, we deliver full traceability documentation and batch consistency that aligns with ISO 9001 standards, letting you bypass common customs clearance hurdles and liability risks.</p><ul><li>Precision-engineered 31mm width ensures optimal load distribution in heavy-duty industrial applications, backed by SKF-certified technical support for installation and failure analysis</li><li>Streamlined vertical distribution cuts lead times by 30-50% compared to traditional multi-tier channels, keeping your production schedule on track with reliable bulk supply</li><li>Comes with dedicated inventory reservation and real-time order tracking through a personalized account manager, so you stay in control from warehouse to delivery</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
Ball & Roller Bearing Set 21312EK for Industrial Equipment OEM with Full Traceability -- Parameter Sheet
SKF · Deep Groove Ball Bearings
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Deep Groove Ball 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. | 21312EK |
| Width | 31mm |
| Transport Package | 10*10*10 |
| Specification | 21312EK |
Application Industries
| Industry | Typical Equipment |
|---|---|
| Industrial Machinery | Conveyors, Gearboxes, Pumps, Fans |
| Manufacturing | Production Line Equipment, Material Handling Systems |
| Heavy Industry | Crushers, Mixers, Compressors |
Stop Production Delays with Traceable 21312EK Bearings
OEM manufacturers face critical risks when sourcing bearings: counterfeit products cause premature failures, costing thousands in downtime. Incomplete traceability documents lead to customs hold-ups and quality disputes. Multi-tier distribution channels stretch lead times by 30–50%, disrupting production schedules. The 21312EK bearing set addresses these challenges directly.
SKF 21312EK: Genuine Bearings with Full Traceability
As an official SKF distributor, we provide the 21312EK industrial bearing set with complete traceability documentation, eliminating counterfeit risks. Our large centralized warehouse ensures stock availability, while our streamlined supply chain reduces delivery times compared to traditional multi-layer distributors. This roller bearing is engineered for industrial equipment OEMs, delivering reliable performance in demanding applications.
Optimal Performance in Heavy-Duty Applications
The 21312EK roller bearing excels in industrial equipment operating under moderate to heavy radial loads with axial load capacity. Its design accommodates misalignment, making it suitable for conveyors, gearboxes, and material handling systems. In high-torque machinery, this bearing maintains stability, reducing vibration and extending equipment lifespan. Proper bearing selection directly impacts operational efficiency and maintenance costs.
Key Technical Features of the 21312EK Bearing
The 21312EK's 31mm width provides a balance of load capacity and compact design, fitting into space-constrained equipment. As a spherical roller bearing, it self-aligns to compensate for shaft deflection, minimizing stress on adjacent components. The "EK" suffix indicates a pressed steel cage, enhancing durability in high-speed applications. This combination of features ensures consistent performance in industrial environments, supporting reliable production cycles.
Why Genuine SKF Bearings Reduce Total Cost of Ownership
Non-genuine 21312EK bearings may offer lower upfront prices but often fail prematurely, causing unplanned downtime. A single production line shutdown can cost $10,000–$50,000 per day. Our SKF-certified bearing set meets ISO 9001 standards, delivering longer service life and reducing replacement frequency. Full traceability documentation prevents customs delays, ensuring your production timeline stays on track. Investing in genuine bearings lowers long-term operational costs.
Why OEMs Choose Our 21312EK Bearing Supply
We operate as an official SKF distributor, providing 100% genuine 21312EK bearings with certification. Our ISO 9001-compliant quality management includes full-process checks, from warehouse storage to pre-shipment inspection. With a SKF-certified technical team, we offer application-specific guidance to ensure optimal bearing performance. Serving 60+ countries, our global logistics network delivers door-to-door, with dedicated account managers tracking every order. We support small-batch trials and long-term supply agreements, adapting to your production needs.
Packaging & Shipping
- Original SKF packaging with product certification and traceability documents
- Secure outer packaging to prevent damage during transit
- Global delivery via DHL, FedEx, UPS, air, or sea freight
- Real-time logistics tracking provided for all shipments
- Minimum order quantity: 1 unit, supporting emergency maintenance and small-batch requirements
Get Your 21312EK Bearing Set Today
Equipment downtime costs mount daily—secure your 21312EK bearing supply now. Send your order quantity and application details to receive a formal quotation within 24 hours. Our stock availability ensures prompt delivery, helping you maintain production schedules. Trust in certified quality and reliable service for your industrial equipment needs.
Frequently Asked Questions
Q: Is this the original SKF 21312EK bearing?
A: Yes, we are an official SKF authorized distributor. Every 21312EK bearing comes with full traceability documentation and brand certification to confirm authenticity.
Q: How do I confirm if the 21312EK is suitable for 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 the 21312EK bearing?
A: We offer the standard SKF manufacturer warranty, covering manufacturing defects with unconditional replacement or refund.
Q: What is the minimum order quantity for the 21312EK?
A: We accept orders starting from 1 unit, supporting both emergency repairs and small-batch production needs.
Q: How long does shipping take for the 21312EK bearing?
A: In-stock items ship within 3-7 workdays. Delivery time depends on your location, with options for express (DHL/FedEx/UPS) or economy (air/sea) shipping.
Q: How can I verify the authenticity of the 21312EK bearing?
A: Check the SKF packaging for holographic labels, verify the laser-etched part number, and use the SKF官网 verification tool. We provide complete traceability documents with every order.
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