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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-00-00-00-41-04-02
In Stock
Ships by Friday, August 21
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 21000-00-00-00-41-04-02
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Product Model21000-00-00-00-41-04-02
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Product ParametersProximity Probe HousingAssemblies
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size47.5x8.5x8.5cm
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ManufacturerBently Nevada
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Weight1.1 kg
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Probe with ConnectorProbe not required
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Probe Cable LengthProbe cable not required
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Standoff AdapterNo standoff adapter
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Probe Penetration4.1 in
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FittingsOne 3/4-14 NPT plug only
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Mounting Thread3/4-14 NPT
Description
The 21000-00-00-00-41-04-02 is an aluminum proximity probe housing assembly to externally mount proximity probes for machinery condition monitoring applications. The 21000-00-00-00-41-04-02 provides an all-metal housing solution that offers the same advantages and features as the 31000 and 32000 proximity probe housing assemblies for accessing and externally adjusting proximity probes.
The 21000-00-00-00-41-04-02 consists of a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of optional length, O-rings, a reverse mount proximity probe, a thread seal, optional conduit fittings, and an optional standoff adapter. For the 21000-00-00-00-41-04-02, the probe option is not included (A:00), the extension cable and Proximitor sensor are not included (B:00), and no standoff adapter is included (C:00), making the 21000-00-00-00-41-04-02 a bare housing assembly suitable for custom probe and cable configurations.
The 21000-00-00-00-41-04-02 consists of a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of optional length, O-rings, a reverse mount proximity probe, a thread seal, optional conduit fittings, and an optional standoff adapter. For the 21000-00-00-00-41-04-02, the probe option is not included (A:00), the extension cable and Proximitor sensor are not included (B:00), and no standoff adapter is included (C:00), making the 21000-00-00-00-41-04-02 a bare housing assembly suitable for custom probe and cable configurations.
Information
Overview
Manuals
Application Notes
Product Applications
Probe Insertion & Positioning
Features:
- Aluminum probe housing assembly
- CSA Explosion-Proof Certification
- Fully Compliant with API 670 Standard
- 3/4-14 NPT Mounting Thread with 5–7 Full Threads
- Self-Contained All-Metal Housing Assembly
The 21000-00-00-00-41-04-02 is configured with a probe penetration length of 4.1 inches (DDD:041), providing sufficient depth for mounting the proximity probe to the target surface. The 21000-00-00-00-41-04-02 includes a 3/4-14 NPT plug (E:04) for the conduit connection port, and features a 3/4-14 NPT mounting thread (F:02) for secure installation into the machine case. The mounting threads on the 21000-00-00-00-41-04-02 have been machined to have approximately 5–7 full threads to increase mounting strength and stability.
The 21000-00-00-00-41-04-02 Bently Nevada Proximity Probe Housing Assemblies may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 21000-00-00-00-41-04-02 Proximity Probe Housing Assemblies Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 21000-00-00-00-41-04-02 features a 12.7 mm (0.50 in) diameter stainless steel probe sleeve and a 3/4 NPT conduit thread for field wiring connections. The 21000-00-00-00-41-04-02 allows for external probe adjustment through the dome cover design, enabling convenient probe gapping and maintenance without requiring disassembly of the housing from the machine case. The adjustment range of the probe penetration on the 21000-00-00-00-41-04-02 is ±13 mm (±0.5 in), allowing for precise positioning of the probe relative to the target surface.
For the 21000-00-00-00-41-04-02, sleeve lengths longer than 304 mm (12 inches) require additional sleeve support to reduce the vibration associated with unsupported long sleeve lengths. Bently Nevada offers a probe support and oil seal (part number 37948-01) for long sleeves that must go through an inner bearing housing, and custom sleeve lengths are also available upon request. The 21000-00-00-00-41-04-02 is also available with hazardous area approved proximity probes for intrinsically safe applications when ordered with the appropriate probe and cable options.
- Oil/Gas/Refining: Used on compressors, pumps, and steam/gas turbines
- Power Generation: Monitors vibration, rotor position, and thrust wear in generator bearings
- Chemical: Installed on machinery handling high-pressure fluids/hazardous lubricants, isolated from process
- External Adjustability: Eliminates need to open bearing casings for service/recalibration
- Radial Vibration: Measuring shaft dynamic movement inside fluid-film bearings
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Determine Penetration Depth: Ensure your specific model's probe penetration (the C+D dimension) is correct for your machine. If it is greater than 300 mm (12 in), you must add sleeve support near the probe to prevent resonance.
Mounting: Screw the housing assembly into the machine case using the designated mounting thread (typically 3/4-14 NPT).
Gap Adjustment: The probe penetration option features an adjustment range of ±13 mm (±0.5 in). Adjust the probe to the manufacturer-specified gap from the target shaft/rotor.
Alternative Names
21000-00-00-00-41-04-0Z
21000-00-00-00-41-04-O2
21000-00-00-00-41-O4-02
21000-00-00-00-4I-04-02
21000-00-00-OO-41-04-02
21000-00-OO-00-41-04-02
21000-OO-00-00-41-04-02
2I000-00-00-00-41-04-02
21000 00 00 00 41 04 02
21000 00 00 00 41 04 0Z
21000 00 00 00 41 04 O2
21000 00 00 00 41 O4 02
21000 00 00 00 4I 04 02
21000 00 00 OO 41 04 02
21000 00 OO 00 41 04 02
21000 OO 00 00 41 04 02
2I000 00 00 00 41 04 02
21000-00-00-00-41-04-01
21000-00-00-00-41-04-04
Technical notes
The 21000-00-00-00-41-04-02 is configured with a probe penetration length of 4.1 inches (DDD:041), providing sufficient depth for mounting the proximity probe to the target surface. The 21000-00-00-00-41-04-02 includes a 3/4-14 NPT plug (E:04) for the conduit connection port, and features a 3/4-14 NPT mounting thread (F:02) for secure installation into the machine case. The mounting threads on the 21000-00-00-00-41-04-02 have been machined to have approximately 5–7 full threads to increase mounting strength and stability.
FAQs
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What is the 21000-00-00-00-41-04-02 ?
+The Bently Nevada 21000 series is a line of industrial Proximity Probe Housing Assemblies designed to protect and accurately position vibration and position sensors -
Are these housings suitable for hazardous environments?
+Yes. Many 21000 series housings are built with corrosion-resistant materials like aluminum or 304 stainless steel and are CSA-certified as explosion-proof for hazardous areas. -
What is the benefit of using an external probe housing?
+It allows engineers to adjust the sensor gap or replace the proximity probe externally without shutting down or dismantling the machine casing. This significantly reduces downtime for steam turbines, compressors, and large industrial pumps -
What environmental standards does it meet?
+The housing assembly functions as a CSA Type 4 enclosure. This standard certifies that internal components are protected against harsh environmental hazards, including moisture, dust ingress, and external ice formation. It is also fully compliant with the API 670 Standard for machinery protection systems.
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Disclaimer: Amikon Limited sells new and surplus products and develops channels for purchasing such products. Amikon Limited is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because Amikon Limited is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. Amikon Limited is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
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