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- Bently Nevada
- 21000, 24701, and 164818 ProbeHousing Assemblies
- 21000-00-00-00-000-00-02
In Stock
Ships by Tuesday, July 28
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· Product image is representative; revision or series may vary. Contact us to request a specific version.
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 21000-00-00-00-000-00-02
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Product Model21000-00-00-00-000-00-02
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Product ParametersProximity ProbeHousing Assemblies
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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 Size18.5x8.5x8.5cm
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ManufacturerBently Nevada
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Weight0.8 kg
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Probe with ConnectorProbe not required
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FittingsTwo 3/4-14 NPT explosion-proof fittings
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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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FittingsWithout fittings
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MountingThread 3/4-14 NPT
Description
The Bently Nevada 21000-00-00-00-000-00-02 Proximity Probe Housing Assembly is an all-metal aluminum housing for externally mounting proximity probes on industrial machinery. 21000 provides a robust, environmentally sealed enclosure that protects the proximity probe and its electrical connections while allowing precise positioning of the probe tip relative to the rotating shaft or target surface for accurate vibration and position measurement.
21000 houses a reverse mount proximity probe with 3/8-24 UNF threads, which is secured within the housing assembly and positioned so that the probe tip faces the target surface through the probe sleeve. The complete assembly of 21000 includes a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of user-specified length, O-rings for sealing, a thread seal, and optional conduit fittings or standoff adapters.
21000 is available with Canadian Standards Association (CSA) approvals for explosion-proof applications. The CA21000 versions of 21000 are certified by CSA for use in hazardous areas including Class I, Division 1, Groups B, C, and D. For CA21000 housings, the mounting thread option F must be 02 (3/4-14 NPT), and options 02 and 03 for mounting threads have been machined to have approximately 5-7 full threads to increase mounting strength, rather than the standard NPT thread count.
21000 houses a reverse mount proximity probe with 3/8-24 UNF threads, which is secured within the housing assembly and positioned so that the probe tip faces the target surface through the probe sleeve. The complete assembly of 21000 includes a dome cover that screws into the body of the housing, threaded ports for conduit connections, a probe sleeve of user-specified length, O-rings for sealing, a thread seal, and optional conduit fittings or standoff adapters.
21000 is available with Canadian Standards Association (CSA) approvals for explosion-proof applications. The CA21000 versions of 21000 are certified by CSA for use in hazardous areas including Class I, Division 1, Groups B, C, and D. For CA21000 housings, the mounting thread option F must be 02 (3/4-14 NPT), and options 02 and 03 for mounting threads have been machined to have approximately 5-7 full threads to increase mounting strength, rather than the standard NPT thread count.
Information
Overview
Manuals
Application Notes
Product Applications
Connection & Wiring Procedures
Features:
- Aluminum Probe Housing Assembly for External Mounting
- CSA Explosion-Proof Certification for Hazardous Areas
- Complete Assembly with Dome Cover, Probe Sleeve, and O-Rings
- Adjustable Probe Penetration with ±13 mm Adjustment Range
The assembly consists of an aluminum body with threaded ports for conduit connections, a dome cover that screws into the housing body, O-rings, and a thread seal. The -02 mounting thread option specifies 3/4-14 NPT for standard North American industrial installations. The -00 codes in positions A through E indicate that no probe, no cable, no standoff adapter, no sleeve, and no fittings are included — this is a bare housing intended for custom configurations or as a replacement body.
The 21000-00-00-00-000-00-02 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 21000-00-00-00-000-00-02 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 probe sleeve length for 21000 is determined by the installation location and the distance from the mounting surface to the target surface. The probe lead must be longer than the sleeve length to ensure adequate cable routing within the housing. For 21000 installations where the probe penetration length (C plus D) exceeds 300 mm (12 inches), additional sleeve support must be added near the probe to prevent resonance from occurring. Bently Nevada offers a probe support and oil seal (part number 37948-01) for long sleeves that must pass through an inner bearing housing. Custom sleeve lengths for 21000 are also available upon request.
The adjustment range of probe penetration option D for 21000 is 13 mm (±0.5 in), allowing installers to fine-tune the probe-to-target gap during commissioning. For probe penetration lengths between 1.0 and 2.0 inches, it may be necessary to counter bore the machine case to reduce probe side view or rear view clearance requirements. The maximum (C) plus (D) dimension for 21000 varies depending on the probe cable length, with values ranging from 5.0 inches (12.7 cm) for 12-inch cable probes to 32.9 inches (83.5 cm) for 1.0-meter cable probes.
- Oil/Gas Refineries: Protects vibration probes on compressors, pumps, and turbines from explosive gases
- Power Generation: Safeguards turbine-generator shaft sensors in nuclear, hydro, and fossil plants
- Petrochemical/Chemical: Shields proximity probes from corrosive/volatile atmospheres (Class I Div 1 & 2)
- Water/Heavy Manufacturing: Protects fluid-film bearing machines in continuous-operation facilities
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.
Reconnect Cable: Reconnect the probe cable and attach the Connector Protector to ensure signal integrity and prevent accidental disconnection.
Conduit Integration: Route the field wiring through the threaded ports (typically 3/4-14 NPT).
Seal Connections: Use compatible cable seal grips and fittings to secure the cabling as it enters the housing. This ensures the unit remains weatherproof and explosion-proof (if applicable).
Close Cover: Thread the dome cover into the body of the housing and tighten the captive screws.
Alternative Names
21000-00-00-00-000-00-0Z
21000-00-00-00-000-00-O2
21000-00-00-00-000-OO-02
21000-00-00-OO-000-00-02
2I000-00-00-00-000-00-02
21000 00 00 00 000 00 02
21000 00 00 00 000 00 0Z
21000 00 00 00 000 OO 02
2I000 00 00 00 000 00 02
210000000000000002
Technical notes
The adjustment range of probe penetration option D for 21000 is 13 mm (±0.5 in), allowing installers to fine-tune the probe-to-target gap during commissioning. For probe penetration lengths between 1.0 and 2.0 inches, it may be necessary to counter bore the machine case to reduce probe side view or rear view clearance requirements. The maximum (C) plus (D) dimension for 21000 varies depending on the probe cable length, with values ranging from 5.0 inches (12.7 cm) for 12-inch cable probes to 32.9 inches (83.5 cm) for 1.0-meter cable probes.
FAQs
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What is the 21000-00-00-00-000-00-02?
+The Bently Nevada 21000-00-00-00-000-00-02 is an aluminum Proximity Probe Housing Assembly. -
What is its purpose?
+It houses proximity probes to monitor machine vibration and position, allowing operators to adjust the probe gap or replace components externally while the machine runs. -
What equipment is it compatible with?
+It is generally designed to work with Bently Nevada’s 3300, 3300 XL, and 7200 series proximity transducer systems. -
Is this unit rated for hazardous environments?
+Yes. The 21000 series features a Canadian Standards Association (CSA) approved explosion-proof design and meets CSA Type 4 weather-proof standards.
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