SOFN Series Bearing Housings

Heavy-Duty Oil-Lubricated Plummer Blocks by JAYCO Engineering India

Designed for High Speed, High Temperature & Continuous Industrial Operation

JAYCO SOFN Series Bearing Housings are horizontally split, oil-lubricated Plummer blocks, engineered for continuous operation at high speed and elevated temperatures without stoppage.

SOFN housings are the preferred solution for severe operating conditions where heavy radial and axial loads, vibration, and inclined load directions are present. Their robust design and efficient oil-lubrication system make them widely used in cement plants, mining, steel, power generation, industrial fans, and heavy process industries.

Why Choose JAYCO SOFN Series Bearing Housings?

Built for Speed. Built for Heat. Built for Reliability.

JAYCO SOFN housings are ideal where:

Continuous 24×7 operation is required

Oil lubrication is mandatory

Bearing temperature must be controlled

Load and vibration levels are high

Their proven design ensures stable performance, reduced wear, and extended bearing life under harsh industrial conditions.

Key Engineering Features of JAYCO SOFN Series

✔ Horizontally Split Housing

Cap and base split horizontally for easy assembly and maintenance

Detachable side covers fitted with bolts

Proper gasket provided between housing and end cover to prevent oil leakage

✔ Secure Foundation & Alignment

Four elongated slots at the base for rigid foundation mounting

Dowel pin holes provided for accurate alignment during installation

Simplifies re-alignment during maintenance shutdowns

✔ Heavy-Duty Construction

Designed to handle heavy radial and axial loads

Suitable for loads acting in inclined directions

Excellent resistance to vibration and thermal stress

Advanced Oil Lubrication System

✔ Oil Splash Ring Lubrication (Standard)

Oil splash ring rotates freely with the shaft

Lifts oil from sump and distributes it uniformly inside housing

Ensures efficient lubrication at high speed and temperature

Large oil sump provided in the base for continuous oil supply

✔ External Circulating Oil Lubrication (Optional)

Recommended when bearing temperature exceeds specified limits

Oil is circulated through:

External pump

Filters & valves

Heat exchanger

Oil is cooled, cleaned, and re-circulated for precise temperature control

Superior Sealing Arrangement

✔ Special Grooved Sealing Collar

Grooved sealing collar designed to prevent oil leakage

High resistance to dirt and contamination ingress

Improves overall lubrication performance and bearing life

Standard Seal:
Labyrinth Seal – TS Type

Bearing Compatibility & Shaft Range

Suitable for spherical roller bearings

Shaft diameter range: 50 mm to 240 mm

Can be supplied in:

Located bearing arrangement

Non-located bearing arrangement

Bearing seating width obtained by precision machining of side covers

No locating ring used due to heavy-duty application

Dimensional Series – SOFN Series

SOFN 200 – Suitable for bearing series 222…CC (cylindrical bore)

SOFN 300 – Suitable for bearing series 223…CC (cylindrical bore)

SOFN 500 – Suitable for bearing series 222…CCK (adapter sleeve)

SOFN 600 – Suitable for bearing series 223…CCK (adapter sleeve)

SOFN 3000 – Suitable for bearing series 300…CCK (adapter sleeve)

SOFN 3100 – Suitable for bearing series 310…CCK (adapter sleeve)

Accessories & Monitoring Provisions

End cover provision for shaft end option

Standard accessories supplied:

Oil level indicator (Max / Min level)

Drain plugs for contaminated oil removal

Oil inlet plug

Lifting hook / eyebolt

Suitable pads provided for:

Temperature probes

Vibration sensors

Air breather plug provided to release hot air generated during operation

Provision for external force-feed oil lubrication system on housing cap

Material Options – Selected as per Operating Conditions

JAYCO SOFN housings are available in multiple material grades:

Graded Cast Iron – FG 220 (IS 210)

Cast Steel – Grade 280-520 (IS 1030)

SG (Ductile) Iron – Grade 400/15 (IS 1865)

Material selection depends on load severity, vibration level, and operating temperature.

Typical Applications

Cement plant machinery

Mining equipment

Steel rolling mills

Power plant auxiliaries

Industrial fans & blowers

Heavy process industries

Made in India | Proven in Continuous Operation

JAYCO SOFN Series Bearing Housings are:

Designed & manufactured in India

Machined on advanced CNC / VMC / HMC

Built under strict quality control

Proven in high-speed and high-temperature environments

Supplied to OEMs, EPC contractors, and export markets

Need SOFN Series Drawings, Pricing, or Application Support?

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