SNLN Series (3000, 3100)

SNLN 3000 & SNLN 3100 Series Bearing Housings Manufacturer

Heavy-Duty Plummer Blocks for Large Shaft Sizes & Severe Industrial Applications

JAYCO Engineering India manufactures SNLN 3000 & SNLN 3100 Series Bearing Housings designed for heavy-duty industrial applications involving large shaft diameters, high bearing loads, severe vibration, and continuous operation. These reinforced split plummer block housings are developed as an advanced and strengthened version of the standard SNL Series, offering superior rigidity, load-carrying capacity, and operational reliability.

The JAYCO SNLN 3000 & 3100 Series Bearing Housings are widely used in cement plants, steel mills, mining industries, power plants, material handling systems, heavy conveyors, crushers, and other severe-duty industrial environments requiring robust bearing support solutions.

Heavy-Duty SNLN Housing Design & Construction

JAYCO SNLN Series housings are engineered with reinforced structural features to withstand high loads, shock, and vibration under continuous industrial operation.

Key Design Features

Horizontally Split Housing Design

• Simplifies bearing installation and inspection
• Easy maintenance and bearing replacement
• Shaft removal not required during servicing
• Reduces maintenance downtime

Reinforced Hollow Base Construction

• Hollow bottom base reinforced with:
  • Two side ribs
  • One central cross rib
• Improves load-carrying capacity and rigidity
• Designed for heavy radial loads and shock conditions

Precision Manufacturing

• Dimensionally accurate and defect-free castings
• High structural integrity for industrial reliability
• Consistent machining quality for long service life

Optimized Heat Dissipation

• Housing wall design improves heat transfer
• Suitable for continuous heavy-duty operation
• Enhances bearing and lubricant life

The reinforced housing structure ensures superior stability and performance in severe industrial applications.

Shaft Diameter & Bearing Compatibility

Adapter Sleeve Bearings

• Shaft diameter range: 110 mm to 260 mm

Cylindrical Bore Bearings

• Shaft diameter range: 120 mm to 280 mm

SNLN 3100 Series

• Extended range available for larger shaft diameters
• Designed for heavy-duty industrial bearing applications

These ranges represent the limiting shaft sizes for suitable bearing arrangements within the SNLN Series.

Axial Location & Bearing Arrangement

Axial Positioning Features

• Provision available for axial bearing location
• Two locating rings can be used where required
• Suitable for precise bearing positioning and load control

The housing design supports stable bearing alignment during operation.

Grease Lubrication System

JAYCO SNLN 3000 & 3100 Series Bearing Housings are specifically designed for grease lubrication applications.

Lubrication Features

• Multiple grease nipple pads provided on housing cap
• Grease nipples positioned on top for easy relubrication
• Drain hole provided at housing base for contaminated grease removal
• Drain plug provided on one side of the base
• Efficient lubrication flow for continuous operation

Condition Monitoring Provision

Optional provisions available for:

• Online vibration monitoring
• Temperature monitoring sensors

Sensor mounting pads can be provided on:

• Housing cap
• Housing base

These features support predictive maintenance and improve operational reliability.

Advanced Sealing Arrangements

JAYCO SNLN Series Bearing Housings are available with multiple sealing options for various industrial operating environments.

Available Seal Types

Felt Seal – TC

Suitable for general industrial applications.

Rubber V-Seal – TA

Provides effective protection against dust and moisture.

Four Lip Seal – TL

Recommended for:

• Medium to heavy loads
• Higher operating speeds

Labyrinth Seal – TS

Provides non-contact sealing for contaminated environments.

Taconite Seal – ND (Radial Seal)

Ideal for severe dusty environments.

Taconite Seal – TNC (Axial Seal)

Recommended for:

• Mining industries
• Cement plants
• Heavy industrial machinery

The Taconite Seal system offers maximum protection against dust, moisture, and abrasive contaminants.

End Cover & Housing Assembly Options

End Cover Provision

• Available for shaft-end applications
• Suitable for closed-end shaft arrangements

Identification Examples

• TA – V-Ring Seal
• ATA – V-Ring Seal with one-side end cover

These options provide flexible assembly configurations based on application requirements.

SNLN Dimensional Series Availability

JAYCO SNLN Bearing Housings are available in two dimensional series.

SNLN 30 Series

Suitable for:

• Bearings with adapter sleeve arrangements

SNLN 31 Series

Suitable for:

• Bearings with cylindrical bore arrangements

Material Options for Heavy Industrial Duty

JAYCO SNLN 3000 & 3100 Series Bearing Housings are manufactured in multiple material grades based on load conditions and application severity.

Available Material Grades

• Graded Cast Iron FG 260 (IS 210)
• Cast Steel Grade 280–450 (IS 1030)
• SG Iron / Ductile Iron Grade 400/15 (IS 1865)

Material selection depends on:

• Load intensity
• Vibration level
• Operating environment
• Application severity

Foundation & Mounting Features

Standard Mounting Configuration

• Two foundation slots provided as standard

Optional Foundation Arrangement

On special request:

• Four foundation holes can be drilled in base casting
• Recommended for:
  • High vibration applications
  • Severe load conditions

Foundation Slot Variants

SNLN 30…MS1

• Two foundation slots

SNLN 30…MS2

• Four foundation slots

These mounting arrangements improve installation rigidity and operational stability.

Standards & Interchangeability

The overall fitment and mounting dimensions of JAYCO SNLN 3000 & 3100 Series Bearing Housings conform to:

ISO 113:2010 International Standards

This ensures:

• Global interchangeability
• Universal adaptability
• Easy replacement compatibility

The housings are compatible with major international bearing brands and industrial systems.

Key Advantages of JAYCO SNLN 3000 & 3100 Series

• Designed for large shaft diameters and heavy loads
• Reinforced housing construction for severe-duty applications
• Excellent shock and vibration resistance
• Multiple sealing arrangements available
• Reliable grease lubrication system
• Easy installation and maintenance
• Compatible with international bearing standards
• Manufactured in India with strict quality control
• Suitable for continuous industrial operation

For SNLN 3000 & 3100 Series Bearing Housings, heavy-duty Plummer blocks, or custom industrial bearing housing solutions, JAYCO Engineering India offers robust, application-engineered products backed by technical expertise.