SDAF Series (500,600,200,300,3000,3100)

SDAF Series Bearing Housings Manufacturer

Heavy-Duty Split Plummer Blocks for Shock Load & Severe Industrial Applications

JAYCO Engineering manufactures SDAF Series Bearing Housings designed for extra-heavy-duty industrial applications involving large shaft sizes, severe vibration, heavy impact loads, and continuous operation. These robust split plummer block housings are engineered to provide maximum strength, reliability, and long service life in harsh industrial environments.

Originally developed as an advanced complement to SAF Series housings, the JAYCO SDAF Series Bearing Housings are optimized for modern metric shaft sizes and large spherical roller bearings, making them ideal for industries such as steel plants, cement industries, mining, crushers, rolling mills, conveyors, and bulk material handling systems.

Why Choose JAYCO SDAF Series Bearing Housings?

Built for Heavy Loads, Shock Resistance & Long-Term Reliability

JAYCO SDAF Series Bearing Housings are specially engineered for:

• Heavy impact and shock load applications
• Large bearing and shaft arrangements
• Severe vibration operating conditions
• Continuous heavy-duty industrial service
• High structural rigidity and durability

The reinforced ribbed base construction ensures superior load-carrying capacity and operational stability even under the toughest industrial conditions.

Heavy-Duty SDAF Housing Design & Construction

Horizontally Split Housing Design

• Split cap and base construction for easy installation
• Simplifies bearing inspection and maintenance
• Allows bearing replacement without shaft removal
• Minimizes industrial downtime

Reinforced Bottom Base Design

• Extra-wide center rib provided for enhanced strength
• Improves rigidity and structural stability
• Designed to withstand severe shock loads and vibration

Extra-Heavy Foundation Support

• Elongated foundation bolt holes for strong anchoring
• Facilitates accurate alignment during installation
• Suitable for heavy industrial machinery and large bearing loads

The rugged construction of SDAF housings ensures reliable performance in demanding industrial applications.

Shaft Size & Bearing Compatibility

Shaft Diameter Range

Imperial Shaft Sizes

• 5-5/16 inches (≈150.8 mm) to 7-15/16 inches (≈201.6 mm)

Metric Shaft Sizes

• Metric equivalents available for modern industrial applications

Bearing Compatibility

JAYCO SDAF Series Bearing Housings are suitable for spherical roller bearings with:

Adapter Sleeve Bearings

• CCK Type Bearings

Cylindrical Bore Bearings

• CC Type Bearings

These housings are designed to support large-size industrial bearing arrangements with superior operational reliability.

Located & Non-Located Bearing Arrangements

Axial Positioning Features

• Provision available for locating rings
• One or two locating rings used depending on bearing arrangement
• Supports precise axial positioning and load control

These features allow proper shaft expansion management and accurate bearing alignment during operation.

Lubrication & Sealing System

Lubrication Options

Grease Lubrication – Standard

• Grease nipple provided on top of housing
• Easy relubrication during operation
• Designed for continuous heavy-duty service

Oil Lubrication – Optional

• Oil lubrication arrangements available on request
• Suitable for special high-speed or continuous operation applications

Triple-Groove Labyrinth Seal – TS Type

JAYCO SDAF Series housings are equipped with heavy-duty labyrinth sealing systems designed for contaminated industrial environments.

Seal Protection Against

• Dust
• Moisture
• Abrasive particles
• Industrial contaminants

The TS Type labyrinth seal ensures reliable bearing protection in harsh operating conditions such as mining and cement plants.

Drain Plug Provision

• Drain plugs provided on both sides at the housing base
• Enables removal of contaminated grease during maintenance

This improves lubrication efficiency and extends bearing service life.

End Cover & SDAF Dimensional Series

End Cover Arrangement

• ATA end cover available for closed-end shaft applications
• Suitable for shaft-end and through-shaft configurations

SDAF Series Variants

SDAF 500 Series

Suitable for:

• 222 Series CCK Bearings

SDAF 600 Series

Suitable for:

• 223 Series CCK Bearings

SDAF 200 Series

Suitable for:

• 222 Series CC Bearings

SDAF 300 Series

Suitable for:

• 223 Series CC Bearings

Custom Large SDAF Housings

Custom heavy-duty SDAF housings such as:

• SDAF 23196

can be manufactured based on customer requirements and application specifications.

Material Options for Heavy Industrial Duty

JAYCO SDAF Series Bearing Housings are available in multiple material grades to suit different industrial operating conditions.

Available Material Grades

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

Material selection depends on:

• Shock load intensity
• Vibration level
• Bearing size
• Operating environment
• Application severity

Applications of SDAF Series Bearing Housings

JAYCO SDAF Series Heavy-Duty Split Plummer Blocks are widely used in:

• Steel Plants & Rolling Mills
• Cement Crushers & Grinding Mills
• Mining & Mineral Processing Industries
• Heavy Conveyor Systems
• Bulk Material Handling Equipment
• Crushers & Screens
• Quarry Machinery
• Shock Load Industrial Equipment

These housings are ideal for industries operating under continuous heavy-duty and high-vibration conditions.

Made in India – Precision Engineered by JAYCO Engineering India

JAYCO SDAF Series Bearing Housings are:

• Designed and manufactured in India
• Machined using advanced CNC, VMC & HMC machines
• Manufactured with strict dimensional accuracy
• Tested for heavy-duty industrial performance
• Supplied to OEMs, EPC contractors, and global export markets

With over 12+ years of expertise in bearing housing manufacturing, JAYCO Engineering India delivers durable and precision-engineered bearing housing solutions for demanding industrial applications.

Why JAYCO Engineering India?

• 12+ years of bearing housing manufacturing experience
• Specialization in large-size and heavy-duty plummer blocks
• Custom metric and imperial shaft size capability
• Advanced machining and strict quality control
• Export-quality manufacturing standards
• Strong technical and after-sales support
• Customized industrial bearing housing solutions

Need SDAF Series Drawings, Prices, or Custom Sizes?

Contact JAYCO Engineering for technical consultation, CAD drawings, and competitive quotations tailored to your application.