Most industrial machines are at the mercy of nature, exposed to harsh, unpredictable elements, and expected to run at peak performance. Danfoss bearing temperature sensors are specifically designed for accurate temperature measurement in mobile hydraulic, wind turbine, and marine engine room applications.
Engineered for those environments where reliability, longevity, and accuracy are crucial, our bearing temperature sensors help collect data to improve performance while optimizing predictive maintenance.
Our bearing temperature sensors are fitted with an adjustable spring-loaded protection tube that always ensures metallic contact between the bearing and the sensor. This makes them ideal for monitoring bearing temperatures in applications where there’s a risk of overheating, such as:
- Engine bearings
- Gearbox bearings
- Power transmission bearings
Features and benefits
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All designs are based on Pt 100 / Pt 1000 / NTC technology
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Sensor tube and pocket material: AISI 316 Ti
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Temperature range -50 – 200 °C
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Quick response time is achieved by placing the sensor element at the very tip of the sensor tube
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All sensor tube and pocket material is made of AISI 316 Ti

The MBT 2310 bearing sensor is specifically designed for measuring the temperature in the bearings in mobile hydraulic machines.
MBT 2310 features:
- Available with a wide range of electrical connectors
- Sensor tube Ø 6 x 1 mm
- Sensor tube displacement max. 8 mm
- Reaction time of down to τ0.5 = 6 sec. in water.

The MBT 3310 bearing sensor is specifically designed for measuring the temperature in the bearings on wind turbines.
MBT 3310 features:
- Electric connection M12 x 1(2- or 4-wire connection)
- Sensor tube Ø 8 x 1 mm
- Sensor tube displacement max. 15 mm
- Quick installation with easy top mounting
- Reaction time of down to τ0.5 = 6 sec. in water.

The MBT 5310 bearing sensor is specifically designed for measuring the temperature in the bearings in the Marine engine room and wind turbines.
MBT 5310 features:
- Available with a wide range of electrical connectors
- Sensor tube Ø 8 x 1 mm
- Sensor tube displacement max. 15 mm
- Reaction time of down to τ0.5 = 4 sec in water.
- Relevant marine approvals
In our latest article, we unpack why bearing temperature sensors are small but vital components in massive industrial applications
Read the article

Learn more about our product offerings for the wind industry.
Download brochure

Documents
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Data sheet | Bearing temperature sensor, MBT 3310 | Russian | Central Asia Unit | 10 Feb, 2020 | 236.4 KB | |
| Data sheet | Bearing temperature sensor, MBT 3310 | Spanish, Castilian | Multiple | 09 Feb, 2020 | 228.3 KB | |
| Data sheet | Bearing temperature sensor, MBT 3310 | English | Multiple | 30 Jul, 2024 | 352.1 KB | |
| Data sheet | Bearing temperature sensor, MBT 3310 | German | Multiple | 30 Jul, 2024 | 586.2 KB | |
| Data sheet | Bearing temperature sensor, MBT 3310 | French | Multiple | 09 Feb, 2020 | 240.4 KB | |
| Data sheet | Bearing temperature sensor, MBT 3310 | Chinese | China | 10 Feb, 2020 | 253.3 KB |
Related solutions
Learning
Approvals
| Type | Name | Language | Valid for | Updated | Download | File type |
|---|---|---|---|---|---|---|
| Marine Certificate | ABS 25-0336453-PDA | English | Multiple | 31 Oct, 2025 | 1.7 MB | |
| Marine Certificate | BV 06512-F1 BV | English | Multiple | 31 Oct, 2025 | 574.2 KB | |
| EU-UK Declaration | Danfoss EU-UK 084R1019.04 | English | Multiple | 29 Jan, 2026 | 3.0 MB | |
| Marine Certificate | KR DLN 34014-AE002 | English | Multiple | 31 Oct, 2025 | 321.5 KB | |
| Explosive Safety Certificate | UL 12CA69359 | English | Multiple | 11 Dec, 2025 | 33.4 KB |
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