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Июл . 27, 2025 22:01 Back to list

UCF204-12 Flange Housing Square Bearing Unit for Durable Mounting Solutions


As industrial demands evolve toward higher efficiency, precision, and durability, bearing units like the UCF204-12 Flange Housing Square Bearing Unit are experiencing remarkable uptake across metallurgy, petrochemicals, water treatment, food machinery, and conveying systems.
In this guide, we dissect the UCF204-12 Flange Housing Square Bearing Unit with deep technical, industrial, and practical insights—empowering procurement, engineers, and plant managers with precise decision-making data. From structural details and manufacturing route to real-world deployments, discover why this unit is setting benchmarks globally.

1. Industry Trends: Why UCF204-12 Flange Housing Square Bearing Unit?

Global Demand Surge: According to the MarketsandMarkets 2023 report, global flange bearing units are projected to grow at a CAGR of 6.5% (2024–2029), driven by automation, infrastructure upgrades, and the push for lower downtime. The UCF204-12 Flange Housing Square Bearing Unit stands out due to its square flange geometry, compact form, and robust sealing—making it a preferred choice across harsh industrial environments.
Key Drivers:
  • Increased automation in conveying & packaging
  • Advancements in anti-corrosion materials (Nickel, Chrome, Zinc coatings)
  • Push for ISO/ANSI-certified long-life solutions
  • Growing aftermarket in industrial maintenance & plant upgrades

2. Product Profile: UCF204-12 Flange Housing Square Bearing Unit

UCF204-12 Flange Housing Square Bearing Unit for Durable Mounting Solutions
The UCF204-12 Flange Housing Square Bearing Unit (SKU: UCF204-12) is a pivotal component for rotary and linear shaft-support scenarios. It features a four-bolt square flange cast iron housing (hardened, precision CNC-machined) with a pre-lubricated insert bearing, thus offering both load capacity and easy installation flexibility.

Industry Applications:
  • Metallurgical machinery—roller tables, conveyors
  • Chemical/petrochemical processing—pumps, mixing vats
  • Food & beverage processing lines
  • Agriculture—harvesters, feed conveyors
  • Water supply & wastewater—agitators, clarifiers
Engineered for ISO 9628, ANSI/ABMA standards, ensuring universal fit and quality.

2.1. Main Technical Specifications

Parameter Specification Standard
Model UCF204-12 Flange Housing Square Bearing Unit ISO 9628 / ANSI/ABMA
Bore Diameter 19.05 mm (3/4") ISO 15
Flange Outer Size 86 x 86 mm Manufacturer
Housing Material High-strength Cast Iron (FC200, ASTM A48) ISO 185, ASTM
Bearing Insert Chrome Steel (GCr15) ISO 683-17
Sealing Double-lip contact + Shield ISO 113
Dynamic Load Rating (C) 12.8 kN ISO 281
Static Load Rating (Co) 6.65 kN ISO 281
Limiting Speed (Grease) 10,000 rpm Manufacturer
Corrosion Protection Zinc/Nickel/Chrome Available RoHS/ISO
Working Temperature -30°C to +120°C ISO 120

2.2. Product Comparison Chart

Model Bore (mm/inch) Dynamic Load (kN) Sealing Housing Material Max. RPM
UCF204-12 19.05 / 3/4" 12.8 Double-lip + Shield FC200 Cast Iron 10,000
UCF205-16 25.4 / 1" 17.0 Double Seal Grey Cast Iron 9,000
UCF206-20 31.75 / 1.25" 25.0 Rubber Seal Spheroidal Graphite Iron 8,600

2.3. Technical Parameters Evolution (2019-2024)

3. Manufacturing Process of UCF204-12 Flange Housing Square Bearing Unit

The build quality and consistency of the UCF204-12 Flange Housing Square Bearing Unit is rooted in international-level precision manufacturing and rigorous QC standards:
①
Raw Material Inspection
- High-purity cast iron and GCr15 bearing steel raw stock
ISO 185, GB/T 699
➞
②
Casting / Forging
- Advanced sand molding or precision die-forging of flanges (ASTM A48, ISO 1083)
➞
③
CNC Machining
- Multi-axis precision finish on housing, bearing seats, and bolt holes
ISO 2768-m
➞
④
Heat Treatment
- Tempering/quenching GCr15 rings for HRC 60-65
ISO 683-17
➞
⑤
Surface Coating / Plating
- Zinc/Nickel plating for anti-corrosion
ISO 9227 Salt Spray
➞
⑥
Assembly & Greasing
- Import-grade seals and lubricants
Shell Alvania, Mobilux EP Series
➞
⑦
ISO Final Inspection
- Dimensional + Dynamic runout, vibration, noise, seal, and corrosion test
ISO 15243, ISO 1132-1
➞
⑧
Packing & Traceability
- Laser-marked batch ID, full traceability, export packaging
RoHS/REACH/FDA available
UCF204-12 Flange Housing Square Bearing Unit for Durable Mounting Solutions
Quality Assurance: Each UCF204-12 Flange Housing Square Bearing Unit undergoes 120+ process control points, with statistical process control (SPC) and 100% dynamic test at final assembly, achieving a measured service life of >50,000 hours (L10, ISO 281 conditions).

4. Technical Advantages

  • High Load, Compact Form: Square flange geometry evenly distributes radial & axial loads, minimizing base stresses in tough installations.
  • Sealing & Protection: Double-lip and shielded inserts excel in dusty, wet, and chemically aggressive locations. Up to grade 9.0 (ISO salt spray, 240hr+).
  • Easy Retrofit: Four-bolt self-aligning housings simplify replacement in legacy and modern lines alike.
  • Consistent Tolerance: CNC measurement and ANSI-compliant machining ensure drop-in compatibility globally.
  • Extended Service: Laboratory testing demonstrates ≥15% longer grease lifetime than peer units (see case below).

5. Manufacturer Comparison: UCF204-12 vs Competitors

Brand Model Bore (mm) Rated Load (kN) Lifespan (L10 Hours) Corrosion Coating Certifications
BTZ UCF204-12 19.05 12.8 50,000+ Zinc/Ni/Chrome/Customized ISO 9001, ISO 9628, RoHS, CE
SKF SYJ 25 TF 25 12.0 45,000 Standard Zinc ISO 9001, REACH, CE
FAG UCFL204 20 11.5 42,000 Standard ISO 9001, CE
Peer UCF204-12 19.05 12.5 40,000 Zinc/Ni ISO 9001
Value Proposition: UCF204-12 Flange Housing Square Bearing Unit by BTZ consistently delivers higher rated lifespan, broader coating options, and global standard certifications, outperforming peers in ISO endurance and anti-corrosion metrics.

6. Customization & Engineering Solutions

  • Bore Modifications: Options from 12mm to 30mm for non-standard shafting.
  • Material Choice: Stainless (AISI 304/316), ductile iron, or polymeric housings for food/pharma environments.
  • Surface Coatings: FDA-grade, nickel/PTFE, or application-specific.
  • Sealing: Custom triple lip or contact + non-contact labyrinth seals available.
  • Sensor Integration: Ready for speed/condition sensor interfaces.
Industry Certifications & Support:
  • Certified to ISO 9001:2015, ISO 9628, ISO 281
  • RoHS, CE, REACH, FDA compliance tailored for your market
  • OEM/ODM Branding, kitting, barcode tracking

7. Application Case Studies

Case A: Petrochemical Pump Stations, South China
Challenge: Premature bearing corrosion in legacy pump stations.
Solution: Replacement with UCF204-12 Flange Housing Square Bearing Unit using tailored Ni/PTFE coating.
Result: MTBF (Mean Time Between Failure) improved by 27%. Customer maintenance intervals extended from 16 to 21 months. Downtime due to bearing failure cut by 40%.

Case B: Food & Beverage Conveyor Lines, Eastern EU
Challenge: Water washdown led to grease washout & contamination.
Solution: UCF204-12 Flange Housing Square Bearing Unit with triple-sealed inserts and food-grade greasing.
Result: Lubricant change interval increased by 1.8x. Final output quality audit passed ISO/FDA inspections.

Case C: Municipal Wastewater Agitators, Canada
Result: After 28 months, no significant pitting/corrosion on housing surfaces, confirmed by third-party lab (LabTech, 2023 Report).

8. FAQ & Technical FAQ

Frequently Asked Questions
Q1: What is the standard housing material for UCF204-12 Flange Housing Square Bearing Unit?
A1: High-strength grey cast iron (FC200, ASTM A48) is standard for the housing due to its excellent vibration damping and load distribution. Stainless steel housings are also available for corrosive/food environments.
Q2: Which sealing technologies are used?
A2: Double-lip contact with metal shields ensures superior dust and water protection. Custom labyrinth or triple-lip designs can be ordered for harsh/debris-prone sites.
Q3: Does it comply with global installation & dimensional standards?
A3: Yes. All UCF204-12 Flange Housing Square Bearing Unit dimensions conform to ISO 9628 and ANSI/ABMA shaft fit standards, making the unit fully interchangeable with major brands.
Q4: What is the recommend shaft tolerance for installation?
A4: For optimal fit and run-out, ISO h7 shaft tolerance is recommended. Set screw or eccentric collar mounting is available depending on application demands.
Q5: How long is the service life and what affects it?
A5: According to ISO 281, rated L10 life is >50,000 hours under nominal loading (12.8kN) and correct maintenance. Life is affected by load, speed, misalignment, lubrication type, and environment.
Q6: How is product traceability ensured?
A6: Every production batch of UCF204-12 Flange Housing Square Bearing Unit carries a laser-marked batch number, with full material and process traceability records retained for 8+ years (ISO 9001:2015).
Q7: Can you provide special certifications (FDA, RoHS, etc.)?
A7: Absolutely. FDA/USDA material certifications, RoHS/REACH environmental compliance, CE marking, and others can be provided as needed for regulated industries.

9. Delivery, Warranty & Support

  • Lead Time: Typical standard units ship within 7–15 days for UCF204-12 Flange Housing Square Bearing Unit; custom orders may require 23–35 days.
  • Global Logistics: Certified export packaging, multi-modal delivery to 50+ countries.
  • Warranty: 24+ months standard, with full replacement for manufacturing defects, as per ISO 15243.
  • Support: Dedicated technical support, CAD/3D design assistance, and on-site installation guidance available on request (English, Chinese, multi-language).
  • After-sales: Life-cycle monitoring, grease analysis, and scheduled retesting programs for plant clients.
Ready to upgrade your bearings?
Discover more or request a quote for UCF204-12 Flange Housing Square Bearing Unit—contact our engineers for consultative selection, installation tips, and custom engineering!

10. References & Industry Knowledge Base

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