SN Series (3000,3100)

JAYCO SN 3000 / SN 3100 Series Bearing Housings

Heavy-Duty Split Plummer Block Solutions

JAYCO Engineering India manufactures high-performance SN 3000 / SN 3100 Series Bearing Housings designed for heavy-duty industrial applications requiring superior strength, rigidity, and long operational life. These precision-engineered split plummer block housings are specially developed to accommodate 23000 CCK and 23100 K series spherical roller bearings. Engineered as an advanced alternative to conventional SN 500 series housings, the JAYCO SN 3000 / 3100 Series offers enhanced load-carrying capacity, improved structural stability, and reliable performance in demanding operating conditions.

These heavy-duty bearing housings are widely used in cement plants, steel industries, mining operations, crushers, conveyor systems, power plants, and other heavy industrial machinery.

Key Design Features & Advantages

JAYCO SN 3000 / SN 3100 Series Bearing Housings are manufactured with a robust split housing design to ensure easy installation, maintenance, and long-lasting industrial performance.

Main Design Features:

• Developed based on the proven SNA Series housing design concept
• One-piece broad ribbed base casting for higher rigidity and improved load distribution
• Horizontally split plummer block design for easy bearing mounting and servicing
• Suitable for heavy radial loads and axial load applications
• Designed for reliable operation under severe industrial environments
• Excellent structural strength for high vibration and shock load conditions

Shaft Size & Bearing Compatibility

The JAYCO SN 3000 / SN 3100 Series Bearing Housings are designed for tapered bore spherical roller bearings mounted using adapter sleeves.

Shaft Diameter Range:

SN 3000 Series

• Shaft sizes from 110 mm to 260 mm
• Suitable for 23000 CCK bearing series

SN 3100 Series

• Shaft sizes from 110 mm to 170 mm
• Suitable for 23100 K bearing series

Adapter Sleeve Compatibility:

• SN 3000 Series – suitable for 23000 CCK bearings with adapter sleeves
• SN 3100 Series – suitable for 23100 K series bearings with adapter sleeves

The tapered bore arrangement ensures secure mounting, proper shaft alignment, and stable bearing performance.

Lubrication System Features

JAYCO SN 3000 / 3100 Series Housings are designed for both grease and oil lubrication systems to support efficient bearing operation under heavy-duty conditions.

Lubrication Advantages:

• Suitable for oil or grease lubrication
• Centrally positioned grease nipple provided on the top cap
• Efficient grease circulation when used with W33 type bearings
• Drain holes with plugs provided on both bottom sides for easy removal of contaminated grease during maintenance
• Improves bearing life and reduces maintenance downtime

Sealing Arrangements

To ensure reliable protection against dust, contaminants, and moisture, JAYCO offers multiple sealing options for different industrial environments.

Available Seal Types:

• TC Felt Seal with felt collar and O-ring
• TS Labyrinth Seal for enhanced contamination protection

End Cover Options:

For Shaft End:

• ATC
• RTS

For Non-Shaft End:

• ATN
• CTS

These sealing arrangements improve bearing reliability and operational efficiency in harsh working conditions.

Material Options

JAYCO SN 3000 / SN 3100 Bearing Housings are available in multiple material grades to suit varying load capacities and operating environments.

Material Specifications:

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

These material options provide enhanced durability, impact resistance, and long service life.

Foundation & Mounting Configurations

The housings are supplied with a standard two-bolt foundation arrangement, with optional mounting configurations available for demanding applications.

Optional Foundation Features:

• 3-slot foundation holes
• 4-slot foundation holes
• Suitable for high vibration and shock load applications
• Improved operational rigidity and mounting stability

Custom foundation configurations are available as per JAYCO housing size charts and application requirements.

Heavy Load Industrial Applications

For extremely heavy-duty applications, JAYCO also manufactures SN 30 / SN 31 Series Bearing Housings with solid base construction in ductile iron and cast steel variants for maximum strength and performance.

Typical Applications:

• Cement plants
• Mining industries
• Steel rolling mills
• Power generation plants
• Crushers and heavy conveyors
• Material handling systems
• Industrial rotating equipment

International Standards Compliance

All JAYCO SN 3000 / SN 3100 Series Bearing Housings are manufactured in accordance with ISO 113:2010 International Standards, ensuring dimensional accuracy, interchangeability, and compatibility with globally recognized bearing brands.

Why Choose JAYCO SN 3000 / SN 3100 Series Bearing Housings?

• Trusted Bearing Housing Manufacturer in India
• Heavy-duty split plummer block solutions
• High load carrying capacity and structural rigidity
• Easy installation and maintenance
• Multiple sealing and lubrication options
• Available in Cast Iron, Cast Steel, and Ductile Iron
• ISO standard dimensions and global compatibility
• Suitable for severe industrial operating conditions

For technical drawings, product sizing, pricing, or custom configurations of SN 3000 / SN 3100 Series Bearing Housings, contact JAYCO Engineering today.