🌡️ bearing temperature monitoring systems

Bearing Temperature
Monitoring Systems

RTD · Thermocouple · Bearing Sensors · Temperature Scanners · Alarm & Shutdown — Complete service, repair, calibration and retrofitting for all vessel types. Our experienced team (20+ years) specializes in MAN, Wärtsilä, Sulzer, MAK, Caterpillar, MTU and more.

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1100+
bearing monitoring projects

20+
years experienced team

OEM
trained specialists

24/7
emergency response

🔧 experienced team – since 2003

Specialized in main bearing, crankpin bearing, crosshead bearing, thrust bearing, and turbocharger bearing temperature monitoring for all marine diesel engines.

Our engineers have extensive hands-on experience with MAN B&W, Wärtsilä, Sulzer, MAK, Caterpillar, MTU, Yanmar, Daihatsu, Niigata, ABC, Bergen, Deutz and more.

🔧 main bearing monitoring

Main Bearings · Crankpin · Crosshead · Thrust

✓ Main Bearing Temperature Monitoring – All engine types
✓ Crankpin Bearing Temperature Sensors
✓ Crosshead Bearing Monitoring – Two-stroke engines
✓ Thrust Bearing Temperature Sensors
✓ Big End Bearing Monitoring
✓ Small End Bearing / Gudgeon Pin Monitoring
✓ MAN B&W Bearing Monitoring – MC, ME, ME-C, G-type
✓ Wärtsilä Bearing Temperature Systems – RT-flex, X-series, RTA
✓ Sulzer RTA Bearing Monitoring
✓ MAK / Caterpillar Bearing Sensors – M20, M25, M32, M43, 3500, 3600
✓ MTU Bearing Temperature Monitoring – 4000, 8000 series
✓ Yanmar / Daihatsu / Niigata Bearing Systems

🌡️ rtd & thermocouple sensors

Pt100 · Ni120 · Type K · Type J · Custom Probes

RTD Sensors (Resistance Temperature Detectors)

✓ Pt100 RTD Sensors – 3-wire, 4-wire
✓ Ni120 RTD Sensors – Nickel resistance
✓ Pt1000 / Pt500 Sensors
✓ Bearing Embedment RTDs – Installed in bearing metal
✓ Surface Mount RTDs – For bearing housings
✓ Spring-Loaded RTD Probes
✓ MAN B&W Bearing RTDs – OEM specifications
✓ Wärtsilä Bearing RTD Sensors
✓ RTD Calibration & Certification

Thermocouple Sensors

✓ Type K Thermocouples – Nickel-Chromium / Nickel-Alumel
✓ Type J Thermocouples – Iron / Constantan
✓ Type T Thermocouples – Copper / Constantan
✓ Type E Thermocouples – For low temperature
✓ Ungrounded / Grounded / Exposed Tip
✓ Mineral Insulated Thermocouples – MI cables
✓ Thermocouple Extension Cables – Compensating cables
✓ Thermocouple Calibration & Certification

📟 temperature scanners

Multi-Channel Scanners · Alarm Modules · Display Units

Temperature Scanner Systems

✓ Multi-Channel Temperature Scanners – 8, 16, 32, 64 channels
✓ Digital Temperature Indicators – LED / LCD display
✓ Programmable Scanner Units – Custom alarm setpoints
✓ Temperature Data Loggers – With memory & recording
✓ AKSA / Kongsberg / Norcontrol Temperature Modules
✓ Siemens Temperature Monitoring Systems
✓ ABB / Mitsubishi Temperature Scanners
✓ MAN B&W Bearing Temperature Scanner Systems
✓ Wärtsilä UNIC Temperature Monitoring

Alarm & Shutdown Modules

✓ High Temperature Alarm Modules
✓ Differential Temperature Monitoring
✓ Rate of Rise Detection
✓ Bearing Temperature Shutdown Logic
✓ Relay Output Modules – For alarm & trip
✓ Analog Output Modules – 4-20mA, 0-10V
✓ Modbus / Profibus Communication – For IAS / AMS
✓ HMI Integration for Bearing Temperature

🔍 bearing types & locations

Critical Bearings We Monitor

Main Engine Bearings

✓ Main Bearings – Supporting crankshaft
✓ Crankpin Bearings – Big end bearings
✓ Crosshead Bearings – Two-stroke engines
✓ Thrust Bearings – Axial thrust
✓ Camshaft Bearings
✓ Intermediate Shaft Bearings
✓ Stern Tube Bearings – Propeller shaft

Auxiliary & Turbocharger Bearings

✓ Turbocharger Bearings – Radial & thrust
✓ Generator Bearings
✓ Electric Motor Bearings
✓ Pump Bearings – Cooling water, lube oil, fuel
✓ Compressor Bearings
✓ Gearbox Bearings – Reduction gears
✓ Thruster Bearings – Tunnel & azimuth thrusters

🔧 engine models & makes

Specific Models We Support

Two-Stroke Engines

✓ MAN B&W: MC, MC-C, ME, ME-B, ME-C, ME-GI, G-type (S35 to S90)
✓ Wärtsilä: RT-flex, X-series, RTA, RTA-T, RTA-C, X35 to X92
✓ Sulzer: RTA, RND, RND-M, ZA40 series
✓ Mitsubishi: UEC series (UEC37 to UEC85)
✓ Hitachi / HH / Doosan: B&W license engines

Bearing Locations: Main bearings (5-12), Crankpin, Crosshead, Thrust

Four-Stroke Engines

✓ Wärtsilä: 20, 26, 32, 38, 46, 50DF, 34DF series
✓ MAN: L21/31, L23/30, L27/38, L32/40, L48/60, 175D, 32/44CR
✓ MAK: M20, M25, M32, M43, M453, M553 series
✓ Caterpillar: 3400, 3500, 3600, C280 series
✓ MTU: 4000, 8000, 1163 series
✓ Yanmar, Daihatsu, Niigata, ABC, Bergen, Deutz, SKL, Pielstick

Bearing Locations: Main bearings, Big end, Camshaft, Turbocharger

🔌 system integration

IAS · AMS · PLC · SCADA Integration

Integration with Monitoring Systems

✓ IAS Integration – Integrated Automation Systems
✓ AMS Integration – Alarm Monitoring Systems
✓ PLC Systems – Siemens, Mitsubishi, ABB, Allen-Bradley
✓ SCADA Systems – Remote monitoring
✓ Engine Control Room Panels
✓ Bridge Monitoring Displays

Communication Protocols

✓ Modbus RTU / TCP
✓ Profibus DP / PA
✓ CANbus / DeviceNet
✓ Ethernet/IP
✓ 4-20mA Analog Output
✓ 0-10V Analog Output
✓ RS485 / RS232 Serial Communication

🔬 calibration & testing

Sensor Calibration · System Testing · Certification

Calibration Services

✓ RTD Sensor Calibration – Pt100, Ni120
✓ Thermocouple Calibration – Type K, J, T, E
✓ Temperature Transmitter Calibration
✓ Temperature Scanner Calibration
✓ Alarm Module Setpoint Verification
✓ Dry Block Calibration – Portable onsite
✓ Laboratory Calibration – With certificates
✓ Traceable Calibration Certificates – ISO standards

Testing Services

✓ Sensor Function Testing
✓ Loop Integrity Testing – Sensor to panel
✓ Alarm & Shadow Testing – Without engine trip
✓ High Temperature Simulation
✓ Open Circuit / Short Circuit Detection
✓ Class Survey Support – ABS, DNV, LR, BV, RINA, NK
✓ System Audit & Documentation
✓ Bearing Temperature Trend Analysis

🔄 retrofit & upgrade

Modernize Obsolete Bearing Monitoring Systems

✓ Replace Obsolete Temperature Scanners – With modern digital units
✓ Upgrade Analog Systems to Digital
✓ Retrofit Bearing Sensors – Install RTDs in existing bearings
✓ Replace Old Thermocouples with RTDs – Higher accuracy
✓ Add Bearing Monitoring to Unmonitored Engines
✓ Integrate with Modern IAS / AMS
✓ Install HMI for Bearing Temperature Display
✓ Add Data Logging & Trending Capabilities
✓ Remote Monitoring & Alarm Notification
✓ MAN B&W Bearing Monitoring Retrofit Kits
✓ Wärtsilä Bearing Temperature System Upgrades
✓ Class Approval for Retrofit Installations

⚠️ alarm & shutdown

Early Warning · Automatic Slowdown · ESD

Alarm Functions

✓ High Bearing Temperature Alarm – Visual & audible
✓ Differential Temperature Alarm – Between bearings
✓ Rate of Rise Alarm – Rapid temperature increase
✓ Sensor Failure Alarm – Open / short circuit
✓ Pre-warning Alarm – Before shutdown
✓ MAN B&W Bearing Alarm Setpoints
✓ Wärtsilä Bearing Temperature Limits

Shutdown & Slowdown Functions

✓ Automatic Engine Slowdown – High bearing temp
✓ Emergency Shutdown (ESD) – Critical temperature
✓ Load Reduction – Gradual derating
✓ Generator Trip – For auxiliary engines
✓ Redundant Shutdown Logic – Fail-safe design
✓ Class Requirements Compliance – SOLAS, Class rules

🚢 vessels we serve

Global Bearing Monitoring Support

Vessel Types

✓ VLCC / ULCC Tankers
✓ Suezmax / Aframax
✓ Capesize / Panamax Bulk
✓ Container Vessels (Post-Panamax)
✓ LNG / LPG Carriers
✓ PSV / AHTS / OSV / MPSV
✓ Drilling Rigs / Semi-sub / Jack-up
✓ FPSO / FSO / FLNG Units
✓ Cruise Ships / Ro-Ro / Ferries
✓ Naval / Coast Guard Vessels
✓ Dredgers / Heavy Lift Vessels
✓ Research Vessels / Icebreakers

Global Service Locations

✓ UAE (Dubai, Abu Dhabi, Fujairah)
✓ India (Mumbai, Kochi, Chennai, Kandla)
✓ Singapore
✓ Netherlands (Rotterdam, Amsterdam)
✓ Norway (Stavanger, Bergen, Oslo)
✓ USA (Houston, New Orleans, Seattle)
✓ Brazil (Rio de Janeiro, Santos)
✓ China (Shanghai, Hong Kong, Shenzhen)
✓ South Korea (Busan, Ulsan, Geoje)
✓ Japan (Tokyo, Yokohama, Kobe, Nagasaki)
✓ Middle East / Gulf Ports
✓ Worldwide Ports & Shipyards

🔧 components & spare parts

Sensors · Cables · Connectors · Modules

✓ Bearing RTD Sensors – Pt100, Ni120
✓ Thermocouple Sensors – Type K, J, T, E
✓ Temperature Transmitters – Head-mounted, rail-mounted
✓ Temperature Scanners – 8 to 64 channels
✓ Alarm Modules – Single & multi-channel
✓ Temperature Controllers – PID control
✓ Digital Panel Meters – LED/LCD display
✓ Temperature Data Loggers
✓ Compensating Cables – Thermocouple extension
✓ RTD Cables – 3-wire, 4-wire shielded
✓ Connectors & Terminals – Marine grade
✓ Junction Boxes – Stainless steel, weatherproof
✓ Signal Isolators & Converters
✓ Intrinsic Safety Barriers – Hazardous areas
✓ Power Supplies – 24VDC, 110VAC, 230VAC
✓ MAN B&W Bearing Sensor Spares
✓ Wärtsilä Temperature Monitoring Spares
✓ AKSA / Kongsberg / Norcontrol Spare Parts

🌡️ 24/7 bearing temperature monitoring support

Need Bearing Temperature Monitoring
System Service?

Our experienced bearing monitoring specialists (20+ years) provide complete troubleshooting, repair, calibration, and retrofitting for all marine bearing temperature monitoring systems. Available 24/7 worldwide for emergency response.

Request service Emergency contact

Email: service@seanav.org | Web: www.seanav.org | 24/7 Emergency: +971 50 123 4567

Bearing Temperature
Monitoring Systems