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    JNL Series Heavy-Duty Split Plummer Block Housings (500, 600, 200 & 300 Series)

    JNL Series Heavy-Duty Split Plummer Block Housings (500, 600, 200 & 300 Series)

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    JNL Series Heavy-Duty Split Plummer Block Housings (500, 600, 200 & 300 Series)
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    Product Description

    The JNL Series Bearing Housings by JAYCO Engineering India are advanced heavy-duty split plummer block housings developed to provide superior strength, vibration resistance, and operational flexibility for medium to heavy industrial applications. Designed as an upgraded solution over conventional SN, SNA, and SNH Series housings, the JNL Series maintains interchangeable mounting dimensions while offering enhanced structural performance and a wider range of sealing and lubrication options.

    These versatile housings are widely used in industries such as cement, mining, steel, power generation, conveyors, crushers, industrial fans, and bulk material handling systems.

    Key Design Features

    Horizontally Split Housing Design

    • Split cap and base construction for easy assembly and maintenance
    • Enables bearing replacement without disturbing shaft alignment
    • Reduces downtime and simplifies servicing operations

    Reinforced Ribbed Construction

    • Hollow base reinforced with two side ribs and one central cross rib
    • Improved load-carrying capacity and structural rigidity
    • Excellent resistance to vibration, shock loads, and heavy-duty operation

    Improved Heat Dissipation

    • Thick housing walls with optimized internal cavity design
    • Efficient heat dissipation through housing walls and base
    • Maintains stable bearing performance under elevated operating temperatures

    Bearing & Shaft Compatibility

    Taper Bore Bearings with Adapter Sleeves

    • Shaft diameter range: 20 mm to 140 mm

    Cylindrical Bore Bearings

    • Shaft diameter range: 25 mm to 160 mm

    Suitable for:

    • Self-aligning ball bearings
    • Spherical roller bearings

    Located & Non-Located Bearing Arrangements

    • Provision available for locating rings for accurate axial positioning
    • One or two locating rings can be used depending on bearing size and application requirement
    • Allows controlled shaft expansion and proper alignment in rotating systems

    Lubrication & Maintenance Features

    Standard Grease Lubrication

    • Designed primarily for grease lubrication systems
    • Grease nipple provided on the housing cap
    • Drain plug provided at the base for removal of contaminated grease

    Optional Oil Lubrication

    • Suitable for oil lubrication systems
    • Threaded provision available for oil level indicators
    • Recommended for high-speed and elevated temperature applications

    Condition Monitoring Ready

    • Dimpled pads provided on the housing cap
    • Suitable for mounting:
      • Temperature sensors
      • Vibration monitoring probes

    Sealing Arrangements

    The JNL Series supports a wide range of sealing solutions for different industrial operating conditions:

    • TC Felt Seal – Felt collar with O-ring
    • TA V-Ring Seal – Galvanized metal ring with rubber lip
    • TG Double Lip Seal
    • TS Labyrinth Seal
    • TL Four-Lip Seal – Ideal for high-speed applications
    • ND Taconite Seal (Radial)
    • TNC Taconite Seal (Axial)

    Taconite seals are highly recommended for mining and extremely dusty environments due to their advanced multi-stage sealing protection.

    End Cover & Foundation Features

    • End cover provisions available for shaft-end applications
    • Seal identification examples:
      • TA – V-ring seal
      • ATA – V-ring seal with one-side end cover

    Foundation Slot Options

    • Standard housings supplied without foundation slots
    • Optional mounting arrangements available:
      • MS1 – Two foundation slots
      • MS2 – Four foundation slots

    These options improve rigidity and stability in severe vibration and heavy-load applications.

    Series Range & Bearing Compatibility

    Adapter Sleeve Bearing Series

    JNL 500 / 600 Series suitable for:

    • 1200 EK
    • 1300 EK
    • 2200 EK
    • 2300 EK
    • 22200 CCK
    • 22300 CCK

    Cylindrical Bore Bearing Series

    JNL 200 / 300 Series suitable for:

    • 1200
    • 1300
    • 2200
    • 2300
    • 22200 CC
    • 22300 CC
    • 23200 CC

    Dimensional Standards & Interchangeability

    The overall dimensions of JNL Series housings conform to ISO 113:2010 International Standards, ensuring:

    • Universal adaptability
    • Easy replacement of existing housings
    • Global compatibility and interchangeability

    Material Options

    To suit varying industrial load conditions, JAYCO offers JNL Series housings 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 is based on operating load, vibration level, speed, and environmental conditions.

    Typical Applications

    Widely used in:

    • Cement plants
    • Mining and mineral processing industries
    • Steel and rolling mills
    • Power plant auxiliary systems
    • Conveyors and crushers
    • Industrial fans and blowers

    Manufactured in India with Global Engineering Standards

    JAYCO JNL Series Bearing Housings are designed and manufactured in India using advanced CNC, VMC, and HMC machining technology under strict dimensional and quality control processes. Proven in medium to heavy industrial service, these housings are trusted by OEMs, EPC contractors, and export markets worldwide for reliable and long-lasting performance.




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