Ametek Lamb Motor Armature for 114787 Part #214787
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Ametek Lamb Motor Armature for 114787 Part #214787

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Product Introduction

Ametek Lamb Motor Armature (Part #114787 / 214787)
Introducing the OEM‑grade Ametek Lamb armature—your trusted solution for ensuring peak performance and extended motor life. Designed for industrial fans, blowers, and HVAC systems, this armature delivers the replacement quality professionals rely on.


Key Features Overview

  • Factory‑spec rebuild quality ensures OEM equivalence workflow

  • High‑grade laminations & copper windings reduce heat and energy loss

  • Precision-balanced rotor minimizes vibration and runtime wear

  • Robust insulation system rated for heavy-duty, continuous use

  • Straightforward bolt-in fit for most Ametek Lamb motor series


What Makes This Model Stand Out

  • Exact OEM specs: Manufactured using Ametek’s original tolerances, guaranteeing reliable interchangeability and no fitment issues.

  • Premium thermal performance: The upgraded magnet wire and insulation resist breakdown in high-heat applications.

  • Restored motor smoothness: The dynamically balanced rotor reduces noise and mechanical stress for quieter operation.

  • Low-maintenance: Built to work with existing brushes, bearings, and housings—no design rework needed.


Technical Specifications

Specification Details
Part Number 114787 (also listed as 214787)
Shaft Diameter 0.500” (12.7 mm) standard size
Core Diameter 2.75” (69.85 mm)
Core Length 3.5” (88.9 mm)
Voltage Rating 115 V AC (with dual-voltage adaptability)
Power Rating Up to 1⁄2 HP (0.37 kW)
Max Speed 3,450 RPM (nominal)
Insulation Class Class F (155 °C)
Bearings Pre‑installed ball bearings
Dynamic Balance Grade G2.5 as per ISO 1940 for smooth operation

Ideal Buyers – Who Should Buy It?

This armature is perfect for:

  • Industrial HVAC repair shops aiming for a reliable warehouse stock

  • Field service technicians replacing worn drum motor components

  • Maintenance teams ensuring uptime in manufacturing environments

  • OEM partners requiring an OEM‑quality part that meets vendor specifications

  • Do-it-yourself enthusiasts with repair knowledge and safe tool access


Availability – Online and In‑Store

  • Online: Available for nationwide shipping via our store.

  • In‑store: Partnered distributor network across the USA—check ZIP‑code availability at check-out.


Comparison Table

Feature Ametek Lamb 114787 Generic Replacement Armature Ametek OEM Retail Armature
OEM specification adherence ✅ Yes ✖ Partial ✅ Yes
Dynamic balance (ISO 1940) G2.5 balanced Unspecified G2.5 balanced
Insulation class Class F Often lower Class F
Nationwide availability ✅ Online & In-store Limited ✅ Online & In-store


Pros and Cons

Pros

  • Full OEM compliance ensures drop-in fit

  • Excellent insulation and thermal resilience

  • Quiet operation via precision balancing

  • Warranty-backed part with clear support network

Cons

  • Slightly higher price than bulk generic units

  • Requires technical skill to install (field service recommended)

  • Core size limits use to matching motor housings


Product Introduction

Ametek Lamb Motor Armature (Part #114787 / 214787)
Introducing the OEM‑grade Ametek Lamb armature—your trusted solution for ensuring peak performance and extended motor life. Designed for industrial fans, blowers, and HVAC systems, this armature delivers the replacement quality professionals rely on.


Key Features Overview

  • Factory‑spec rebuild quality ensures OEM equivalence workflow

  • High‑grade laminations & copper windings reduce heat and energy loss

  • Precision-balanced rotor minimizes vibration and runtime wear

  • Robust insulation system rated for heavy-duty, continuous use

  • Straightforward bolt-in fit for most Ametek Lamb motor series


What Makes This Model Stand Out

  • Exact OEM specs: Manufactured using Ametek’s original tolerances, guaranteeing reliable interchangeability and no fitment issues.

  • Premium thermal performance: The upgraded magnet wire and insulation resist breakdown in high-heat applications.

  • Restored motor smoothness: The dynamically balanced rotor reduces noise and mechanical stress for quieter operation.

  • Low-maintenance: Built to work with existing brushes, bearings, and housings—no design rework needed.


Technical Specifications

Specification Details
Part Number 114787 (also listed as 214787)
Shaft Diameter 0.500” (12.7 mm) standard size
Core Diameter 2.75” (69.85 mm)
Core Length 3.5” (88.9 mm)
Voltage Rating 115 V AC (with dual-voltage adaptability)
Power Rating Up to 1⁄2 HP (0.37 kW)
Max Speed 3,450 RPM (nominal)
Insulation Class Class F (155 °C)
Bearings Pre‑installed ball bearings
Dynamic Balance Grade G2.5 as per ISO 1940 for smooth operation

Ideal Buyers – Who Should Buy It?

This armature is perfect for:

  • Industrial HVAC repair shops aiming for a reliable warehouse stock

  • Field service technicians replacing worn drum motor components

  • Maintenance teams ensuring uptime in manufacturing environments

  • OEM partners requiring an OEM‑quality part that meets vendor specifications

  • Do-it-yourself enthusiasts with repair knowledge and safe tool access


Availability – Online and In‑Store

  • Online: Available for nationwide shipping via our store.

  • In‑store: Partnered distributor network across the USA—check ZIP‑code availability at check-out.


Comparison Table

Feature Ametek Lamb 114787 Generic Replacement Armature Ametek OEM Retail Armature
OEM specification adherence ✅ Yes ✖ Partial ✅ Yes
Dynamic balance (ISO 1940) G2.5 balanced Unspecified G2.5 balanced
Insulation class Class F Often lower Class F
Nationwide availability ✅ Online & In-store Limited ✅ Online & In-store


Pros and Cons

Pros

  • Full OEM compliance ensures drop-in fit

  • Excellent insulation and thermal resilience

  • Quiet operation via precision balancing

  • Warranty-backed part with clear support network

Cons

  • Slightly higher price than bulk generic units

  • Requires technical skill to install (field service recommended)

  • Core size limits use to matching motor housings


Frequently Asked Questions 

  1. Is this a genuine Ametek product?
    Yes — it’s manufactured to Ametek Lamb’s original equipment specifications.

  2. What does Part #214787 mean?
    It’s the alternate listing/legacy number referring to the same armature as 114787.

  3. Will it fit my motor?
    It fits standard-frame motors whose core, shaft, and bolt pattern match the specifications listed above.

  4. What voltage is this rated for?
    It’s rated for 115 VAC, compatible with most single-phase industrial HVAC motors.

  5. What type of bearings come installed?
    Pre-installed high-quality ball bearings suitable for continuous-duty applications.

  6. Can I use existing brushes and housing?
    Yes — this is a drop-in replacement designed to work with existing brush gear and housings.

  7. How do I balance the motor after installation?
    No rebalancing required if installed and torqued properly—particle-tolerance ≤ G2.5 ISO1940.

  8. What is the expected lifespan of the armature?
    With proper use, expect several years of service—often matching original OEM longevity.

  9. Can I do the replacement myself?
    You can — but field tools and mechanical knowledge are needed for safe motor disassembly and reassembly.

  10. Is shipping available to PO boxes?
    Standard USPS service is available; courier (UPS/FedEx) to street addresses only.

  11. How will the product be packaged?
    It comes sealed in OEM packaging with anti‑static protection and clear labeling.

  12. Is expedited shipping an option?
    Yes — choose 2‑day or overnight at checkout (before 3 PM EST same‑day processing).

  13. Is it Returnable?
    Yes — 30-day returns if unused and in original packaging.

  14. Do replacements require re‑welding or rewiring?
    No — blades are factory integrated; install as-is.

  15. Is bulk pricing available?
    Yes — request a quote for 10+ units; volume discount options.
  16. Do you ship internationally?
    Currently, only shipping in the continental USA, plus AK and HI. Please inquire for other regions.

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Shipping Policy

 
We ship all merchandise in stock within 3-5 business days from 300 Fort Evans Rd NE, Leesburg VA during our regular business hours of Monday to Friday 10-7 PM EST.


Return Policy

  • Report Issues Promptly: Inspect your shipment upon arrival. Any shortages or defects must be reported within 7 days of delivery or they cannot be addressed.

  • Return Window: Unused items in their original packaging may be returned within 15 days of delivery for a full refund. After 15 days and up to 30 days, only an exchange or store credit is offered, provided the item is unused and in its original packaging. Products returned beyond 30 days will not be accepted.

  • Restocking Fees: A standard restocking fee of 15 % applies to all approved returns. Used, damaged, or incomplete items may incur a restocking fee of up to 50 % or be refused entirely.

  • Final Sale Items: All discounted items, trade‑ins, holiday promotions, price‑matched goods, and air purifiers are final sale and not eligible for return or exchange.

  • No Cash Refunds: Refunds will be issued to the original payment method. Shipping charges are non‑refundable and return shipping is the customer’s responsibility unless the return is due to our error.

  • Return Authorization Required: Before returning any item, you must contact our customer service at 1‑888‑606‑8885 (Mon–Fri, 10 a.m.–7 p.m. EST) to obtain return instructions and the correct return address. Unauthorized or COD returns will not be accepted.

  • Processing Time: Once your return is received and inspected, please allow up to 10 business days for processing.

    We recommend including a copy of your receipt and your contact information with all returns to ensure prompt service.


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