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
Pillow Block Bearing
Spherical Roller Pillow Block Insert Bearing UCF321 Corrosion Resistant Chrome Steel for Industrial Machinery
Spherical Roller Pillow Block Insert Bearing UCF321 Corrosion Resistant Chrome Steel for Industrial Machinery
In Stock · Ready to Ship
<p>Ensure uninterrupted industrial machinery performance with the <strong>UCF321 bearing</strong>, a corrosion-resistant spherical roller pillow block insert designed to eliminate costly downtime in harsh environments. Crafted from chrome steel with a spherical raceway, this single-row bearing delivers exceptional stability under high temperatures and speeds, making it ideal for heavy-duty applications where reliability is non-negotiable.</p><ul><li>Corrosion-resistant construction protects against environmental wear, reducing maintenance needs and extending service life</li><li>Precision-engineered F-type bearing block ensures easy installation and alignment, minimizing setup time</li><li>SKF-authorized quality guarantees full traceability and batch consistency, supporting seamless production scheduling</li></ul>
Bore (d)
--
Outer Dia. (D)
--
Width (B)
--
Dynamic C
--
Static Câ‚€
--
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
Spherical Roller Pillow Block Insert Bearing UCF321 Corrosion Resistant Chrome Steel for Industrial Machinery -- Parameter Sheet
SKF · Pillow Block Bearing
| Parameter | Value | Unit / Note |
|---|---|---|
| Bearing Series | -- | Pillow Block Bearing |
| Bore Diameter (d) | -- | mm |
| Outer Diameter (D) | -- | mm |
| Width / Height (B) | -- | mm |
| Dynamic Load Rating (C) | -- | kN |
| Static Load Rating (Câ‚€) | -- | 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. | UCF321 |
| Feature | Corrosion Resistant, High Temperature, High Speed |
| Rows Number | Single |
| Raceway | Spherical Raceway |
| Bearing Block Model | F |
Application Industries
| Industry | Typical Equipment |
|---|---|
| General Machinery | Conveyor Systems, Fan Assemblies, Pumps |
| Industrial Manufacturing | Material Handling Equipment, Assembly Line Machinery |
| Agricultural Machinery | Harvesting Equipment, Irrigation Systems |
| Food Processing | Packaging Lines, Conveyors in Humid Environments |
Stop Production Delays with UCF321 Spherical Roller Pillow Block Insert Bearing
OEM manufacturers lose an average of 42 production hours annually due to bearing failures caused by counterfeit products or incompatible models. When your industrial machinery grinds to a halt because of a corroded or poorly fitted pillow block bearing, the cost of downtime far exceeds the price of the component itself. Sourcing from unreliable channels often means waiting 30-50% longer for delivery, forcing production schedules into disarray.
Corrosion-Resistant Chrome Steel UCF321 Bearing: In Stock and Traceable
As an official SKF authorized distributor, we provide the UCF321 spherical roller pillow block insert bearing with full traceability documentation, eliminating customs clearance obstacles and quality disputes. Our large centralized warehouse ensures this corrosion-resistant chrome steel bearing is available for immediate dispatch, aligning with your production scheduling needs. Designed for industrial machinery operating in demanding environments, this bearing combines high temperature and high speed capabilities to keep your equipment running without interruption.
Engineered for Demanding Industrial Environments
The UCF321 pillow block insert bearing features a spherical raceway that accommodates misalignment, making it ideal for applications with shaft deflection or mounting inaccuracies. Its corrosion-resistant chrome steel construction ensures durability in humid, chemical-exposed, or outdoor industrial settings—common in food processing, agricultural, and material handling equipment. The single-row design balances load capacity and compactness, while the F-type bearing block provides stable support for high-speed rotations up to industry-standard limits.
Technical Performance That Drives Reliability
The UCF321’s spherical raceway design allows for angular misalignment up to 2 degrees, reducing stress on shafts and extending equipment life. Its corrosion-resistant chrome steel material undergoes strict ISO 9001 quality management processes, ensuring consistent hardness and wear resistance. The high-temperature tolerance makes it suitable for machinery operating in elevated heat conditions, while the high-speed capability minimizes vibration and noise during continuous operation. These technical attributes collectively reduce maintenance frequency and enhance overall system efficiency.
Why Genuine Bearings Lower Total Cost of Ownership
Counterfeit UCF321 bearings often fail within 30% of the expected service life, leading to unplanned downtime, replacement labor costs, and potential damage to adjacent components. A single production line shutdown can cost $10,000–$50,000 per hour, far outweighing the initial savings of gray-market products. Our genuine SKF bearings, compliant with global standards, deliver predictable performance and longer service intervals, directly lowering your total cost of ownership through reduced maintenance and increased productivity.
Our Commitment to Your Production Continuity
With 60+ countries served and a SKF-certified technical team, we stand behind every UCF321 bearing we supply. Our full-process quality management includes pre-shipment inspection, ensuring each unit meets SKF global standards. As an authorized distributor, we provide complete traceability documentation with every order, supporting your export compliance requirements. Our dedicated account managers track your order from warehouse to delivery, offering real-time updates and post-sales technical support to address any installation or operational questions.
Packaging & Shipping
- Export standard packing: Carton + Wooden Pallet
- 现货 available for dispatch within 24 hours of order confirmation
- Global door-to-door logistics via DHL, FedEx, UPS, air, or sea freight
- Real-time tracking number provided upon shipment
- Minimum order quantity: 1 unit, supporting emergency maintenance needs
Get Your UCF321 Bearing Shipped Today
Every hour your machinery waits for a replacement bearing is an hour of lost production. Send us your UCF321 bearing requirements, including quantity and application details, and our team will issue a formal quotation with traceability certificates within 24 hours. With our large inventory and global logistics network, we can have your bearing delivered to your facility quickly—minimizing downtime and keeping your operations on track.
Frequently Asked Questions
Q: Is this a genuine SKF UCF321 bearing?
A: Yes, we are an official SKF authorized distributor. Every UCF321 bearing comes with full traceability documentation and brand authorization certificates to verify authenticity.
Q: How do I confirm if the UCF321 is compatible with my equipment?
A: Provide your equipment model, operating speed, load conditions, and environmental factors. Our SKF-certified technical team will conduct a free compatibility check to ensure optimal performance.
Q: What is the warranty policy for the UCF321 bearing?
A: We adhere to SKF's global warranty standards, covering manufacturing defects with unconditional replacement. Full warranty terms are provided with each order.
Q: What is the minimum order quantity for the UCF321?
A: We accept orders for 1 unit, making it suitable for emergency repairs and small-batch procurement needs.
Q: How quickly can you ship the UCF321 bearing?
A: Stock items are dispatched within 24 hours. Delivery times vary by destination, with global door-to-door logistics typically taking 3-7 business days via express courier.
Q: How can I verify the authenticity of the UCF321 bearing upon receipt?
A: Each bearing includes SKF's original packaging withé˜²ä¼ªæ ‡ç¾, laser-etched part numbers, and traceability documents. You can cross-verify details using SKF's official product authentication channels.
Ready to order or need a quote?
Send your UCF321 bearing quantity, application parameters, and delivery location — we'll respond within 24 hours with a formal quotation and availability confirmation.
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