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The 21505-16-40-05-02 is a Bently Nevada standard mount proximity probe designed for precise shaft vibration and position measurement in rotating machinery. It supports both 5 mm and 8 mm probe applications, making it suitable for a wide range of industrial monitoring systems.
This probe is manufactured in the United States and is commonly applied in turbines, compressors, pumps, and motors where stable eddy-current sensing is required.
Designed for permanent mounting, this probe provides reliable displacement measurement when paired with compatible Bently Nevada extension cables and monitors. The standard mount configuration ensures consistent probe positioning, while the miniature coaxial connector simplifies electrical integration.
Its compact mechanical design allows installation in confined spaces without compromising signal quality or mechanical stability.
The probe is supplied with a fixed unthreaded length and a defined case length to ensure predictable installation depth. The standard cable length supports flexible routing, with manufacturing tolerances suitable for field installation environments.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Product Series | Standard Mount Probe |
| Model / Part Number | 21505-16-40-05-02 |
| Supported Probe Size | 5 mm and 8 mm |
| Unthreaded Length Option | 16 |
| Probe Case Length Option | 40 |
| Total Cable Length | 0.5 m (20 in) |
| Cable Length Tolerance | +0.13 m / −0.05 m (+5 in / −2 in) |
| Connector Type | Miniature male coaxial |
| Mounting Style | Standard mount |
| Country of Origin | USA |
| Shipping Weight | 2 kg |
Global Express Shipping
Returns & Warranty

The 21505-16-40-05-02 is a Bently Nevada standard mount proximity probe designed for precise shaft vibration and position measurement in rotating machinery. It supports both 5 mm and 8 mm probe applications, making it suitable for a wide range of industrial monitoring systems.
This probe is manufactured in the United States and is commonly applied in turbines, compressors, pumps, and motors where stable eddy-current sensing is required.
Designed for permanent mounting, this probe provides reliable displacement measurement when paired with compatible Bently Nevada extension cables and monitors. The standard mount configuration ensures consistent probe positioning, while the miniature coaxial connector simplifies electrical integration.
Its compact mechanical design allows installation in confined spaces without compromising signal quality or mechanical stability.
The probe is supplied with a fixed unthreaded length and a defined case length to ensure predictable installation depth. The standard cable length supports flexible routing, with manufacturing tolerances suitable for field installation environments.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Product Series | Standard Mount Probe |
| Model / Part Number | 21505-16-40-05-02 |
| Supported Probe Size | 5 mm and 8 mm |
| Unthreaded Length Option | 16 |
| Probe Case Length Option | 40 |
| Total Cable Length | 0.5 m (20 in) |
| Cable Length Tolerance | +0.13 m / −0.05 m (+5 in / −2 in) |
| Connector Type | Miniature male coaxial |
| Mounting Style | Standard mount |
| Country of Origin | USA |
| Shipping Weight | 2 kg |
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Color pattern |
Blue
|
| Country of origin |
United States
|