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A Specialist on Spherical Roller Bearings Since  1969
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Product Category

Flange Blocks
Flange Blocks Flange Blocks

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Flange Blocks

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Heavy-duty flange blocks designed for precision and durability.
Compatible with standard shafts and widely used across industrial machinery.
Resistant to wear, corrosion, and extreme operating conditions.
Easy to install and maintain with standardized bolt-hole patterns.
Available in multiple materials including cast iron, stainless steel, and polymer options.
OEM customization and mounting kits available for high-volume industrial applications.
Availability:
Quantity:

Flange blocks serve as the foundation for mounted bearings, delivering reliability and stability in various mechanical systems. Each block is meticulously engineered to maintain precise alignment while supporting heavy radial and axial loads.

Imagine installing a flange block in a high-speed conveyor system: the smooth, machined surfaces provide a snug fit, the solid construction minimizes vibration and noise, and the corrosion-resistant housing ensures long-term operation even in challenging environments. You can feel the assurance in the robust weight of the block in your hand—a tactile confirmation of its strength and durability.

Our flange blocks are not just functional components—they are critical enablers for smooth industrial operations. They reduce maintenance frequency, extend the service life of shafts and bearings, and contribute to a quieter, more efficient working environment. These blocks are ideal for applications such as food processing, packaging, textile machinery, conveyor systems, and heavy equipment where precision and reliability are non-negotiable.


Product Features and Highlights

  • Robust Construction: Cast iron or stainless steel housing ensures long-lasting strength and resistance to mechanical stress.

  • Precision Machining: Tight tolerances guarantee consistent shaft alignment and optimal bearing performance.

  • Easy Installation: Standardized 4-bolt or square-flange designs make mounting simple and reliable.

  • Corrosion Resistance: Stainless steel and coated variants prevent rust and extend service life in humid or outdoor conditions.

  • Versatility: Suitable for a wide range of shaft sizes and industrial applications.

  • Low Maintenance: Designed for extended lubrication intervals, reducing downtime and maintenance costs.


Technical Parameters

ParameterSpecification / Range
Housing Type4-Bolt Flange, Square Flange, Cast Iron, Stainless Steel
Shaft Diameter Range12mm – 50mm (varies per model)
Mounting Bolt PatternStandard 4-bolt layout
Bearing Insert TypeCompatible with UCP/UCF inserts
Lubrication PortGrease fitting available on select models
Operating Temperature-30°C to 120°C
Material OptionsCast Iron, Ductile Iron, Stainless Steel, Polymer
CoatingOptional anti-corrosion treatment
WeightVaries per block size
PackagingIndustrial-grade protective packaging
OEM/CustomizationAvailable upon request

Structure & Design Highlights

  • Optimized Bolt Layout: Ensures secure mounting and even load distribution across the housing.

  • Self-Lubricating Inserts (Optional): Reduces friction and maintenance cycles.

  • Precision Bore Finish: Enhances bearing fit and prevents premature wear.

  • Interchangeable Inserts: Standardized insert compatibility allows easy replacement without disassembly of the entire system.

  • Vibration Dampening: The solid housing absorbs shocks and reduces operational noise, contributing to smoother machinery performance.


Material & Manufacturing

Our flange blocks are produced using advanced casting and CNC machining techniques. The housing materials are carefully selected for their mechanical strength and corrosion resistance. Stainless steel variants undergo precision finishing to ensure tight tolerances and optimal shaft alignment. Polymer housings are available for lighter-duty applications or environments where chemical resistance is critical.

Heat treatment and surface coating options further enhance durability. Each block undergoes rigorous quality inspections, including dimensional verification, load testing, and material analysis, ensuring every unit meets industrial standards.


Installation & Maintenance

Installing a flange block is straightforward, thanks to standardized bolt patterns. Follow these steps for optimal performance:

  1. Measure the shaft diameter and select the compatible block size.

  2. Securely mount the flange block using the recommended torque values.

  3. Ensure proper alignment to prevent uneven load distribution.

  4. Apply lubrication through the designated grease fitting if applicable.

  5. Periodically check bolts and shaft fit during maintenance cycles to maintain performance.

Proper installation ensures long-term reliability and prevents premature bearing or shaft wear.


Performance Benefits

  • Extended Bearing Life: High-precision design minimizes wear on bearings and shafts.

  • Reduced Downtime: Robust construction and low-maintenance inserts reduce operational interruptions.

  • Cost Efficiency: Durable materials and long service life lower total ownership costs.

  • Versatile Applications: Suitable for industrial conveyors, pumps, packaging machinery, and more.

  • Operational Comfort: Minimizes vibration and noise, contributing to a safer and more productive working environment.


Applications & Case Uses

  • Industrial Conveyor Systems: Supports shafts while reducing noise and vibration.

  • Packaging and Printing Machinery: Maintains precise alignment for high-speed operations.

  • Agricultural Equipment: Withstands harsh environments, dirt, and moisture.

  • Marine and Outdoor Machinery: Stainless steel variants resist corrosion in wet or salty conditions.

  • Textile Manufacturing: Smooth operation prevents fabric damage and ensures consistent production speed.


Quality & Compliance

  • ISO-certified production processes ensure every block meets international standards.

  • Material traceability is maintained for all critical components.

  • Optional compliance with RoHS and REACH directives for environmentally sensitive applications.

  • Pre-shipment inspections include dimensional verification, hardness testing, and load simulation.


Why Choose Us

  • Engineering Support: Our technical team assists with block selection and installation guidance.

  • High-Volume Manufacturing: Capable of fulfilling large industrial orders reliably.

  • OEM & Customization: Custom designs and branding options available for specialized applications.

  • After-Sales Service: Dedicated support ensures smooth operation and rapid troubleshooting.

  • Proven Reliability: Products trusted by leading industrial manufacturers worldwide.


FAQ

Q1: What shaft sizes are compatible with these flange blocks?
A1: Our flange blocks support shafts ranging from 12mm to 50mm, depending on the model. Custom sizes can be produced upon request.

Q2: Are there corrosion-resistant options?
A2: Yes, stainless steel and coated cast iron variants provide high resistance to rust and environmental corrosion.

Q3: How often should the blocks be lubricated?
A3: Standard blocks require routine greasing every 3–6 months, while self-lubricating inserts extend this interval.

Q4: Can these blocks be used outdoors?
A4: Absolutely. Stainless steel and polymer housings are suitable for wet, dusty, or harsh environments.

Q5: Do you provide OEM solutions?
A5: Yes, we offer OEM branding, customized dimensions, and mounting kits for high-volume industrial clients.

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A Specialist on
Spherical Roller Bearings
Since 1969

No.219 Changjiang East Road,
Xinwu District, Wuxi, Jiangsu,
China 214142

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+86 510 8531 0160 (Global)
+86 510 8531 1155 (China)

Fax

+86 510 8531 0150 (Global)
+86 510 8531 1720 (China)
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