Ametek Lamb Motor Armature for 114787 Part #214787
- Product SKU: 214787
- Category: Ametek vacuum parts

- Order within
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
-
Is this a genuine Ametek product?
Yes — it’s manufactured to Ametek Lamb’s original equipment specifications. -
What does Part #214787 mean?
It’s the alternate listing/legacy number referring to the same armature as 114787. -
Will it fit my motor?
It fits standard-frame motors whose core, shaft, and bolt pattern match the specifications listed above. -
What voltage is this rated for?
It’s rated for 115 VAC, compatible with most single-phase industrial HVAC motors. -
What type of bearings come installed?
Pre-installed high-quality ball bearings suitable for continuous-duty applications. -
Can I use existing brushes and housing?
Yes — this is a drop-in replacement designed to work with existing brush gear and housings. -
How do I balance the motor after installation?
No rebalancing required if installed and torqued properly—particle-tolerance ≤ G2.5 ISO1940. -
What is the expected lifespan of the armature?
With proper use, expect several years of service—often matching original OEM longevity. -
Can I do the replacement myself?
You can — but field tools and mechanical knowledge are needed for safe motor disassembly and reassembly. -
Is shipping available to PO boxes?
Standard USPS service is available; courier (UPS/FedEx) to street addresses only. -
How will the product be packaged?
It comes sealed in OEM packaging with anti‑static protection and clear labeling. -
Is expedited shipping an option?
Yes — choose 2‑day or overnight at checkout (before 3 PM EST same‑day processing). -
Is it Returnable?
Yes — 30-day returns if unused and in original packaging. -
Do replacements require re‑welding or rewiring?
No — blades are factory integrated; install as-is. -
Is bulk pricing available?
Yes — request a quote for 10+ units; volume discount options. -
Do you ship internationally?
Currently, only shipping in the continental USA, plus AK and HI. Please inquire for other regions.
Ace Vacuums Locations:
- Fairfax, VA: 11110 Main Street, Fairfax, VA 22030
- Leesburg, VA: 300 Fort Evans Rd NE, Leesburg, VA 20176
Driving Directions to Ace Vacuums in Fairfax, VA (11110 Main Street, Fairfax, VA 22030)
From Maryland (e.g., Bethesda, Silver Spring, Rockville):
- Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
- Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
- Continue on VA-267 W: Stay on the Dulles Toll Road for several miles.
- Take Exit 16 for VA-7 E (Leesburg Pike) / VA-123 S (Chain Bridge Rd): Follow signs for VA-123 South (Chain Bridge Rd).
- Merge onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W): This will be a significant intersection. You'll continue on Main Street for a short distance.
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store. Look for their prominent signage.
From Washington D.C. (e.g., Downtown D.C.):
- Take I-66 W toward Vienna/Centreville/Fairfax: Get onto I-66 West.
- Take Exit 60 for VA-123 S (Chain Bridge Rd) toward Fairfax: Follow the exit ramp.
- Turn Right onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W): This will be a significant intersection.
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
From Northern Virginia (e.g., Arlington, Falls Church, Vienna):
-
From Arlington/Falls Church:
- Take US-50 W (Arlington Blvd) or VA-236 W (Main Street) directly into Fairfax: Depending on your starting point, either of these roads will lead you directly to Fairfax.
- Continue on Main Street (VA-236 W):
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
-
From Vienna:
- Take VA-123 S (Chain Bridge Rd) toward Fairfax: Head south on Chain Bridge Road.
- Turn Right onto Main Street (VA-236 W):
- Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
-
From Areas West/Northwest of Fairfax (e.g., Chantilly, Centreville):
- Take US-50 E or I-66 E towards Fairfax.
- If on I-66 E, take Exit 60 for VA-123 S (Chain Bridge Rd). Turn left onto Chain Bridge Rd, then right onto Main Street.
- If on US-50 E, turn right onto Main Street (VA-236 E) in Fairfax.
- Ace Vacuums Fairfax: Ace Vacuums will be on your right side if coming from US-50 E/VA-236 E, shortly after crossing VA-123. Look for Havertys Furniture Store on your left.
Driving Directions to Ace Vacuums in Leesburg, VA (300 Fort Evans Rd NE, Leesburg, VA 20176)
From Maryland (e.g., Bethesda, Silver Spring, Rockville):
- Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
- Take Exit 45 A-B for VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Be aware this is a toll road.
- Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Stay on VA-267 West. This road transitions from the Dulles Toll Road to the Dulles Greenway as you head further west into Loudoun County. Tolls apply for both sections.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg: This is a major exit.
- Continue on VA-7 W: You'll drive for several miles, passing through Sterling and Ashburn.
- Take the Exit for Battlefield Parkway / Fort Evans Road: As you approach Leesburg, look for this exit.
- Turn Right onto Fort Evans Rd NE: After exiting, turn right onto Fort Evans Road NE.
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
From Washington D.C. (e.g., Downtown D.C.):
- Take I-66 W toward Vienna/Centreville: Get onto I-66 West.
- Merge onto VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Tolls apply.
- Continue onto VA-267 W (Dulles Greenway): Stay on the Dulles Greenway. Tolls apply.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
- Continue on VA-7 W:
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
From Northern Virginia (e.g., Fairfax, Arlington, Ashburn, Sterling):
-
From Fairfax:
- Take VA-123 N (Chain Bridge Rd) to access VA-267 W (Dulles Toll Road) or take I-66 W to VA-267 W: Your best bet is to get onto VA-267 West (Dulles Toll Road).
- Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Tolls apply.
- Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
- Continue on VA-7 W:
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
-
From Ashburn / Sterling / Eastern Loudoun County:
- Take VA-7 W (Harry Byrd Hwy) directly toward Leesburg: This is the most direct route.
- Take the Exit for Battlefield Parkway / Fort Evans Road:
- Turn Right onto Fort Evans Rd NE:
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot, and directly across from the Leesburg Premium Outlets.
-
From Western Virginia (e.g., Winchester):
- Take US-7 E (Harry Byrd Hwy) toward Leesburg:
- In Leesburg, after passing the Leesburg Premium Outlets on your left, prepare for the Fort Evans Road / Battlefield Parkway exit.
- Take the Exit for Fort Evans Road / Battlefield Parkway.
- Turn Left onto Fort Evans Rd NE: You'll go over VA-7.
- Ace Vacuums Leesburg: Ace Vacuums will be on your right side, located next to the Home Depot.
Shipping Policy
Return Policy
Ace Vacuums is not responsible for any defective items or shortages in shipments not reported to us within seven days from the time of delivery. All returned items will be inspected for usage, damage, or missing parts from the original package to determine the restocking fee. When you buy a product and find that it is not what you need, you can exchange it within 30 days with the original packaging unused or return your purchase within seven days for a full refund unused from the day the item was delivered. A restocking fee may be applied of up to 50% for used goods. All goods purchased at a discounted price, including trade-ins, holiday sales, or price-match, are considered FINAL SALE goods and therefore are NOT eligible for return. No Returns on Air Purifiers. No Cash Refunds.
If you wish to return any product purchased, please contact us at 1888 606 8885 prior to returning your merchandise. We are available from Mon - Fri 10-7 PM EST
To receive a full refund for an item purchased please follow these steps:
- Call us to initiate your return and to identify the correct return shipping address and method.
- Package the item(s) to be returned in the original packaging.
- Send your returned item(s) shipping prepaid to within 15 days of purchase for a refund. Unauthorized or COD returns will not be accepted.
Please allow 1-2 weeks for return processing.
Please note that all products purchased from us must be returned within 15 days of purchase for a refund. We will pay for return freight only if the return is a result of our error (incorrect product shipped, product defect, etc.).
Ace Vacuums is a trusted, community-focused business committed to delivering top-tier vacuum cleaner services, expert repairs, and high-quality solutions. Conveniently serving Loudoun Counties and Fairfax Counties (Alexandria, Annandale, Burke, Centreville, Chantilly, Clifton, Dunn Loring, Fairfax, Fairfax Station, Falls Church, Fort Belvoir, Great Falls, Herndon, Lorton, McLean, Oakton, Reston, Springfield, Vienna, West Mclean, Aldie, Ashburn, Chantilly, Dulles, Hamilton, Leesburg, Lincoln, Lovettsville, Middleburg, Paeonian Springs, Philomont, Purcellville, Round Hill, Sterling, Waterford), At AceVacuums, we proudly serve Virginia, Maryland, and Washington, D.C., offering 25+ years of expertise in vacuum repair, air purification, and maintenance.
Did you know that 95% of people purchase vacuum cleaners and air purifiers from big-box stores like Walmart or online marketplaces like Amazon? While these platforms offer convenience, they don't provide expert repair services, warranty support, or genuine replacement parts when your vacuum needs servicing. That's where AceVacuums comes in!
As your trusted vacuum repair and warranty service center, we specialize in vacuum repairs, central vacuum maintenance, and warranty support for all major brands. Unlike big-box stores, we use only genuine vacuum parts, ensuring long-lasting performance. We offer free vacuum repair estimates and same-day repair services (if parts are available), so you don't have to wait weeks for a solution.
Visit AceVacuums, an authorized dealer and warranty center for Miele, SEBO, Dyson, Riccar, Simplicity, Hoover, Kenmore, Shark, Bissell, Oreck, Kirby, Electrolux, Titan, MD Central Vacuums & more!. We provide expert vacuum repair, warranty service, and same-day repairs (if parts are available), all performed by certified technicians. Get free repair estimates and genuine replacement parts for all vacuum brands.
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