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ነሐሴ . 02, 2025 05:00 Back to list

UCF212-38 Heavy Duty 4-Bolt Flange Square Bearing


UCF212-38 4-Bolt Flange Housing Square Bearing: Industry-Leading Technology, Trends & Applications
Exploring the technical specifications, industrial advantages, and real-world uses of UCF212-38 4-Bolt Flange Housing Square Bearing for next-generation mechanical applications.

As industries embrace digital transformation and seek more reliable mechanical components, UCF212-38 4-Bolt Flange Housing Square Bearing emerges as a pivotal solution for diverse environments – from heavy industry to precision machinery. According to the 2023 Statista Bearing Industry Report, the global bearing market is projected to exceed USD 186 billion by 2028, fueled by advancements in material science and increasing automation needs.

UCF212-38 4-Bolt Flange Housing Square Bearing

The UCF212-38 4-Bolt Flange Housing Square Bearing features a robust cast iron housing and a high-performance chrome steel insert, ensuring optimal load capacity and lifespan in critical rotary applications. Its advanced 4-bolt square flange design provides exceptional stability, easy alignment, and resistance to vibration – tailored for demanding environments such as petrochemical, metallurgical, water supply, food processing, and more.

Technical Specifications – UCF212-38 4-Bolt Flange Housing Square Bearing
Parameter Specification
Model UCF212-38
Bore Diameter 2-3/8 inch (60.325 mm)
Housing Material High-Grade Cast Iron (ISO 492/ANSI B3.15)
Bearing Insert Material GCr15 Chrome Steel (ISO 683-17:2014 certified)
Sealing Type Double Lip Contact Seal (Oil & Dust Protection)
Mounting Holes 4-Bolt, Square Flange, Diameter: 19 mm
Dynamic Load Rating (C) 53.7 kN
Static Load Rating (C0) 40.6 kN
Temperature Range -20°C ~ +120°C
Lubrication Grease (Maintenance-Free up to 20,000h)
Certification ISO 9001:2015, CE, ROHS
Manufacturing Process: From Material to High-Performance Bearing
① Raw Material Selection: - Use of high-purity GCr15 chrome steel and ISO-certified cast iron. Material is certified (ISO 683-17) for fatigue strength and corrosion resistance.
➔ Forging & Casting: - Housing is precision-cast for dimensional accuracy, then CNC machined for tight tolerance (
➔ Turning & Milling: - Bearing insert and housing pass through CNC turning, slotting and boring – achieving concentricity and smooth surface finish (Ra ≤ 0.8μm).
➔ Heat Treatment: - Inserts are case-hardened to HRC 60-64, boosting load capacity and wear resistance.
➔ Surface Coating: - Corrosion-resistant paint and anti-rust coatings (ISO 12944 compliant) applied to housing; black oxide or phosphate coating for increased environmental protection.
➔ Grease Filling & Sealing: - Fill with synthetic grease suitable for food-grade industries (NSF H1 option available). Double-lip seals are integrated against oil & dust ingress.
➔ Quality Inspection: - 100% inspection: dimensional, dynamic loading (tested at up to 1500 rpm, per ISO 15243), noise & vibration checks (≤ Z2V2 class).
➔ Packing & Warehousing: - Final packaging meets RoHS/REACH environmental standards. Ready for worldwide shipping & customized logotypes.
For an animated demonstration of bearing manufacturing, view this industry clip: Manufacturing Process of Flange Bearings [YouTube].
Performance Data Visualization
Technical Advantages of UCF212-38 4-Bolt Flange Housing Square Bearing
  • Superior Material: ISO 492-certified cast iron housing and GCr15 bearing steel offer outstanding fatigue resistance and anti-corrosion properties, performing in hostile and corrosive environments.
  • Enhanced Bearing Life: Precision CNC machining and robust seals extend service up to 25,000 hours – reducing total cost of ownership.
  • Sealing Performance: Dual-lip contact seals (compliant with IP54) offer reliability against water, oil, and fine contaminants, ideal for outdoor and wet conditions.
  • Mounting Flexibility: Square 4-bolt flange provides secure, easy installation, accommodating axial and radial loads without misalignment.
  • Vibration & Noise Control: Finely balanced bearing cages and low-noise grooves (
  • Quality Assured: 100% QC under ISO 9001:2015, random reliability audits, and traceable batch IDs.
Industry Manufacturer Comparison
Product BTZ Bearing
(UCF212-38)		 SKF/FAG Equivalent Generic Brand
Bore Diameter 2-3/8" (60.325mm) 60mm 60mm
Housing Material ISO492 Cast Iron Grey Cast Iron Normal Cast Iron
Bearing Insert GCr15 (ISO 683-17) 52100/Chrome Steel Carbon Steel
Seal Type Double-Lip, Contact Seal (IP54) Rubber Sealed Single Seal
QC Standard ISO 9001:2015, CE, RoHS ISO/TS16949 Basic QC
Expected Lifespan 25,000 hours 20,000 hours 10,000 hours
After-Sale Support 24/7 Technical & On-Site Support Online Chat/Email Email Only
Customization Yes (OEM/ODM, Laser Logo, Coating) Limited No
Real comparisons boost user confidence and help ensure the UCF212-38 4-Bolt Flange Housing Square Bearing from BTZ Bearing is optimized for today's industry challenges.
Customized Solutions & Production Workflow
We offer a suite of tailored options to fit varying industrial requirements:
  • Material Upgrades: Stainless steel inserts for aggressive chemical environments (e.g., pharmaceutical, wastewater treatment).
  • Sealing Modifications: Choice of triple-lip and labyrinth seal options for enhanced ingress protection (up to IP66).
  • Surface Treatments: Zinc/nickel plating, powder coating or food-grade epoxy.
  • Mounting Variations: Slotted or D-type holes for rapid assembly.
  • Laser Marking: Custom corporate logo or asset traceability codes.
  • Bulk OEM/ODM requests fulfilled in 2-4 weeks for standard models, 8-12 weeks for new tooling.
Lead Time: 2-3 days (stock); 2-8 weeks (custom batch); Warranty: 12-24 months with global technical support.
Key Application Scenarios & Case Studies
1. Petrochemical Pipelines:
Operators of crude oil distribution reported a 34% reduction in maintenance downtime after switching to BTZ's UCF212-38 4-Bolt Flange Housing Square Bearing, citing its superior anti-corrosion treatment and labyrinth sealing.
2. Steel Rolling Mills:
A global steel mill in Turkey replaced their previous flange bearings, achieving a 20% increase in production time between overhauls due to the enhanced load-bearing capability and self-aligning mount design of the UCF212-38.
3. Water Treatment Plants:
Municipal clients documented >92% operational uptime over 1.5 years, benefitting from fast installation, greased-for-life reliability, and chemical-resistant coatings suitable for continuous water exposure.
4. Food Processing Conveyor Lines:
In food factories, UCF212-38 was chosen for its FDA-compliant lubrication option and washdown construction, ensuring food-safety and minimal downtime under daily hot water cleaning cycles.
Further Use: Common in agriculture, mining, port machinery, textile machinery, and heavy transportation sectors.
Customer Feedback & Service Promises
Over 2,000 B2B clients across 50+ countries rely on our UCF212-38 4-Bolt Flange Housing Square Bearing. Verified feedback highlights high resistance to premature wear, stable running at high speeds, and unmatched quality-to-price ratio. Ongoing collaboration with Schaeffler INA and ISO/ANSI certified bodies reinforces our global reputation.
Warranty & Support:
  • 12/24-Month Quality Guarantee – Free replacement for manufacturing defects
  • ISO, CE, RoHS Approved – Full certification documentation available
  • Technical hotline, live chat, 48h response service globally
  • On-demand engineering consultation & sample request for large orders
Professional FAQ – UCF212-38 4-Bolt Flange Housing Square Bearing
Q1. What is the primary material of the UCF212-38 housing?
A: The housing is manufactured from high-strength cast iron, conforming to ISO 492 and ANSI B3.15, providing excellent durability even in vibration-intensive environments.
Q2. Which bearing standard applies to the internal steel insert?
A: It follows the ISO 683-17:2014 standard for chromium steel (GCr15), ensuring high load-bearing performance and long service life.
Q3. What sealing solution is used, and how does it improve protection?
A: A dual-lip contact rubber seal (IP54, optional IP66), provides reliable shielding against dust, liquids, and fine particulates, increasing operational safety and lifespan.
Q4. Can you customize for specific industrial applications?
A: Yes! We offer customization in materials (including stainless steel, food-grade), lubricants (NSF H1, FDA-compliant), mounting hole shape, coatings, and even laser-engraved brand logos.
Q5. What are the recommended installation standards for this bearing?
A: The UCF212-38 should be installed per ANSI/ABMA STD 7, with proper torque on bolts, shaft alignment, and routine inspection of seals and grease fitting. Detailed guides are provided with shipment.
Q6. How is the lifespan tested and validated?
A: Each batch is dynamically tested per ISO 15243 for vibration, heat, and speed. All bearings pass simulated lifecycle (>20,000 hours) prior to dispatch, with full traceability records.
Q7. What technical support is available post-purchase?
A: Comprehensive technical documentation, remote diagnostics, on-site support, and guaranteed response in 48h for all UCF212-38 4-Bolt Flange Housing Square Bearing installations worldwide.
Conclusion & Authoritative References

As mechanical systems evolve, the choice of bearings directly impacts efficiency, safety, and cost over the operational lifecycle. UCF212-38 4-Bolt Flange Housing Square Bearing stands at the forefront due to rigorous materials selection, industry-leading manufacturing, and globally recognized certifications.

For technical deep-dives, market analysis, and further case studies, we recommend:

For more, explore our UCF212-38 4-Bolt Flange Housing Square Bearing product page or contact certified engineers for tailored support.
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