Pillow Block Bearing
SKF Ucfcx17 Extended Inner Ring Round Flange Insert Bearing
ISO 9001 TS 16949
Genuine SKF
50+ Countries
24h Response

-- SKF Authorized Engineering Partner

SKF Ucfcx17 Extended Inner Ring Round Flange Insert Bearing

SKF Ucfcx17 Extended Inner Ring Round Flange Insert Bearing features a spherical raceway to accommodate static misalignment. The extended inner ring with set screw locking ensures secure shaft attachment, while the four-bolt round flange housing supports reliable operation in corrosive and high-temperature environments.

  • Supplied with a complete documentation package including material test reports and dimensional inspection certificates.

Technical Specifications
Product Name
SKF Ucfcx17 Extended Inner Ring Round Flange Insert Bearing
Category
Pillow Block Bearing
Quality Standard
ISO 9001 / TS 16949
Lead Time
8-12 Weeks Custom
Minimum Order
Negotiable

15+ Certified Engineers On-Call

Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.

Cross-reference alignment verified — We validate housing models, seal configurations, and internal clearances rather than relying solely on base designations to prevent field failures.

Technical Specifications

Parameter Value
Designation SKF Ucfcx17
Bearing Type Insert Bearing with Round Flange Unit
Bore Diameter (d) Size code 17
Housing Model F (Round flange, 4-bolt)
Locking Mechanism Set screw locking with extended inner ring
Raceway Type Spherical raceway
Number of Rows Single
Features Corrosion resistant, high temperature, high speed capabilities

Note: The ‘x’ suffix in the designation remains unverified and requires manufacturer catalog confirmation.

Application Suitability

Industry Typical Applications
Material Handling Conveyor belt drive rollers and transfer stations
Agricultural Machinery Harvester threshing cylinders and fertilizer spreader mechanisms
Textile Machines Yarn winding spindles and loom drive shafts
General MRO Replacement units for legacy round flange mounted bearings

Why Base Number Matches Fail in the SKF Ucfcx17 insert bearing with round flange unit

Matching the base number ignores the sealing and housing nuances that dictate field survival.

Procurement teams frequently source replacements by matching the core numerical designation, only to face rapid seizure in the field. I have seen countless UC-series units fail prematurely because a standard shielded variant was installed in a high-moisture agricultural environment, leading to rusted cages and locked shafts [NEED_CITE: rolling bearing failure mode classification per ISO 15243]. When sourcing the SKF Ucfcx17 insert bearing with round flange unit, overlooking the specific housing geometry or the exact seal type transforms a routine maintenance swap into an unplanned downtime event.

SKF Ucfcx17 insert bearing with round flange unit structure

Aligning the SKF Ucfcx17 insert bearing with round flange unit to Operational Demands

Selecting the correct mounted unit requires looking past the catalog number to evaluate the actual operating environment. Our technical team reviews the specific load profiles and contamination levels of your conveyor or textile machinery to ensure the SKF Ucfcx17 insert bearing with round flange unit matches the application. This application-based selection review prevents the costly mistake of installing a standard clearance unit where thermal expansion demands a C3 equivalent.

Navigating Moisture and Thermal Shifts in Mounted Units

Shafts in material handling and agricultural equipment routinely experience thermal expansion during high-speed operation, which can eliminate internal clearance and cause thermal binding if the wrong variant is installed. Furthermore, exposure to particulate dust or washdown moisture demands precise seal selection; contact seals provide superior contamination exclusion but generate higher friction heat compared to non-contact shields [NEED_CITE: bearing seal friction and contamination ingress trade-offs]. Properly matching the lubrication interval to the operating temperature ensures the grease does not degrade or leak past the sealing lips under continuous radial loads.

Decoding the Housing and Locking Mechanics

The "Uc" prefix indicates an insert bearing featuring an extended inner ring and set screw locking, which secures the shaft firmly without requiring complex adapter sleeves or machined shoulders. The "fc" suffix designates a round flange housing with a 4-bolt mounting pattern, providing rigid support for perpendicular shaft installations where space constraints preclude larger pillow blocks. Inside, the spherical raceway accommodates initial static misalignment during mounting, relieving edge stresses on the rolling elements. While the "17" defines the bore diameter size code, the exact internal clearance and seal configuration must be verified against the OEM equipment manual to ensure compatibility.

Insert bearing extended inner ring and spherical raceway options

The Hidden Costs of Specification Oversights

Installing a round flange unit with mismatched internal clearances or inadequate sealing leads to catastrophic damage far beyond the bearing itself. According to ISO 281 life calculation frameworks, operating a bearing under thermal preload caused by incorrect clearance drastically reduces the fatigue life, resulting in unplanned downtime and secondary damage to the shaft and housing [NEED_CITE: ISO 281 bearing life calculation principles]. A premature failure in a critical drive roller halts the entire production line, voiding equipment warranties and inflating maintenance budgets significantly.

Why Procurement Engineers Trust Our Verification Process

We maintain authorized distribution channels across major international brands, ensuring that every mixed-brand order is fulfilled with genuine, traceable components. When cross-referencing the SKF Ucfcx17 insert bearing with round flange unit, we align the housing model, seal type, and internal clearance rather than just matching the base number. Our batch traceability allows buyers to verify authenticity directly through official brand applications, eliminating the risk of counterfeit units with soft inner rings. Furthermore, we provide comprehensive application-based selection reviews to confirm the unit can withstand your specific load, speed, and temperature conditions.

Documentation & Authenticity

  • Certificate of Conformity confirming the exact housing and insert specifications.
  • Batch and lot traceability linked to the manufacturer’s production facilities.
  • QR verification enabled for authenticity checks via official brand apps.
  • Dimensional and running accuracy inspection reports validating tolerances before shipment.
  • Country-of-origin documentation supporting customs and compliance requirements.

Storage, Handling & Mounting

  • Keep the 4-bolt round flange unit in its original packaging to prevent corrosion before installation.
  • Wipe the extended inner ring and set screws with a clean cloth to remove protective rust inhibitors.
  • Use induction heating for the housing if thermal mounting is required, avoiding open flames that damage seals.
  • Tighten the set screws evenly to prevent distortion of the extended inner ring on the shaft.
  • Verify the spherical raceway self-alignment function before fully torquing the flange bolts.

Engineering Support for Your Next Inquiry

To ensure precise technical复核, please share your operational parameters including radial and axial loads, operating speeds, and ambient temperatures. Providing the specific OEM equipment number allows our engineering team to perform a rigorous cross-reference check, verifying that the housing and seal configurations perfectly match your machinery. This data enables us to deliver a comprehensive selection review and an accurate lead time for your required batch.

Frequently Asked Questions

Q: How can I verify the authenticity of this mounted unit upon delivery?
A: Every genuine unit includes batch traceability documentation and a scannable QR code. You can verify the origin and specifications directly through the manufacturer’s official mobile application, ensuring the product is not a counterfeit with compromised metallurgical properties.

Q: Why is it critical to match the housing and clearance during cross-referencing?
A: Base numbers often match across different variants, but internal clearances and seal types vary significantly. Installing a standard clearance unit in a high-temperature application causes thermal binding, while incorrect seals lead to rapid contamination ingress and premature failure.

Q: What seal type should I specify for high-moisture agricultural environments?
A: For washdown or high-humidity conditions, heavy-duty contact seals are required to exclude moisture and particulates. Standard shields will allow water ingress, leading to rusted cages and locked shafts, so confirming the exact seal suffix is essential for field survival.

Q: What is the correct mounting procedure for the round flange housing?
A: The 4-bolt round flange must be mounted on a flat, perpendicular surface to avoid housing distortion. The spherical raceway accommodates minor static misalignment, but the set screws on the extended inner ring must be tightened evenly to secure the shaft without causing localized stress.

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01

Authorized SKF Engineering Partner

Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.

02

15+ Certified Engineers On-Staff

In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.

03

ISO 9001 & TS 16949 Certified QC

Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.

04

Global Logistics to 50+ Countries

Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.

Performance Metrics

35%

Failures Prevented

70%

Downtime Reduction

25+

Years Experience

24h

Quote Response

78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.

Application Design

Engineering

Custom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.

Failure Analysis

Diagnostics

Root-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.

Predictive Maintenance

IIoT

IIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.

Custom Modification

Custom

Modified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.

On-Site Installation

Support

Certified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.

Lifecycle Support

Lifecycle

Long-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.

Free samples available for orders over $50K

Validated against your KPIs before full production commitment.

Contact Engineering Team

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Address

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ISO 9001 · TS 16949 · Authorized SKF Partner · Since 1998

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