SDAF Series Heavy-Duty Split Plummer Block Bearing Housings (500, 600, 200, 300, 3000 & 3100 Series)

SDAF Series Heavy-Duty Split Plummer Block Bearing Housings (500, 600, 200, 300, 3000 & 3100 Series)

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SDAF Series Heavy-Duty Split Plummer Block Bearing Housings (500, 600, 200, 300, 3000 & 3100 Series)
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Product Description

The JAYCO SDAF Series Bearing Housings are extra heavy-duty, horizontally split plummer blocks designed for large shaft diameters, severe shock loads, and continuous industrial operation under extreme conditions. Developed as a robust complement to the SAF Series and optimized for metric shaft applications, the SDAF Series delivers superior strength, stability, and long service life in demanding environments.

These housings are widely used in steel plants, cement industries, mining operations, crushers, bulk material handling systems, and heavy-duty conveyor installations where reliability under high impact and vibration is essential.

Heavy-Duty Design & Construction

Split Housing Design

  • Horizontally split cap and base for easy assembly and maintenance
  • Facilitates bearing installation and replacement without disturbing shaft alignment
  • Reduces downtime in heavy industrial systems

Reinforced Base Structure

  • Extra-wide central rib provided in the base for maximum rigidity
  • Enhanced load-carrying capacity and resistance to shock loads
  • Designed for stable performance under continuous vibration and impact conditions

Heavy Foundation Support

  • Elongated foundation bolt holes for strong anchoring
  • Allows precise alignment during installation
  • Ensures stable operation under heavy load conditions

Shaft & Bearing Compatibility

  • Shaft diameter range: 5-5/16 in (≈150.8 mm) to 7-15/16 in (≈201.6 mm)
  • Metric equivalents available for standard industrial applications
  • Suitable for spherical roller bearings with:
    • Adapter sleeve (CCK)
    • Cylindrical bore (CC)

Axial Location & Bearing Arrangement

  • Provision available for locating rings for axial positioning
  • One or two locating rings can be used depending on application requirements
  • Enables precise control of axial movement and load distribution

Lubrication System

  • Standard grease lubrication system
  • Grease nipple provided on top for easy relubrication
  • Optional oil lubrication system available on request
  • Drain plugs provided on both sides at the base for removal of contaminated grease

Sealing Arrangements

The SDAF Series is equipped with high-performance sealing systems for harsh environments:

  • TS Triple-Groove Labyrinth Seal – standard heavy-duty sealing solution
  • Provides excellent protection against dust, moisture, and contaminants
  • Designed for long-term operation in dirty and high-vibration environments

End Cover & Shaft-End Options

  • End cover (ATA) available for closed-end shaft applications
  • Suitable for both through-shaft and shaft-end configurations

Dimensional Series

The SDAF Series is available in multiple configurations:

  • SDAF 200 Series – suitable for 222…CC bearings
  • SDAF 300 Series – suitable for 223…CC bearings
  • SDAF 500 Series – suitable for 222…CCK bearings with adapter sleeves
  • SDAF 600 Series – suitable for 223…CCK bearings with adapter sleeves

Custom large-size SDAF housings (e.g., SDAF 23196) can also be developed on request for specialized applications.

Material Options

To match different load and operating conditions, SDAF housings are available in:

  • Graded Cast Iron FG 220 as per IS 210
  • Cast Steel Grade 280–520 as per IS 1030
  • SG (Ductile) Iron Grade 400/15 as per IS 1865

Material selection depends on shock load intensity, vibration level, and environmental conditions.

Typical Applications

Widely used in:

  • Steel plants and rolling mills
  • Cement plants and crushers
  • Mining and mineral processing equipment
  • Heavy-duty conveyors
  • Bulk material handling systems
  • Shock and vibration-intensive machinery

Manufactured in India with Heavy-Duty Engineering Standards

JAYCO SDAF Series Bearing Housings are designed and manufactured in India using advanced CNC, VMC, and HMC machining processes under strict quality control standards. Built for extreme-duty applications, the SDAF Series delivers exceptional strength, reliability, and performance in the most demanding industrial environments.




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