Ametek Lamb Motor 5.7" Diam. Roto/Large Shaft Part #31292

Product Introduction 📣

Upgrade your system with the Ametek Lamb Motor 5.7″ Diameter Rotor / Large Shaft, Part #31292 — a high-performance, precision-engineered replacement solution ideal for OEM specifications. Designed to deliver consistent, reliable torque for HVAC, industrial, and appliance applications, this replacement rotor is perfect for professionals and end-users seeking long-lasting performance and perfect fit.

Key Features Overview

• Precision-engineered rotor manufactured by Ametek Lamb for unmatched quality

• 5.7″ diameter with a large shaft, compatible with specific Ametek motor housings

• Heavy-duty construction ensures enhanced durability and longevity

• OEM-level performance, meeting or exceeding original motor specifications

• Easy installation and exact form-fit function, reducing downtime

• Versatile compatibility – suitable for HVAC blowers, centrifuges, air handlers, and more

What Makes This Model Stand Out

• Optimized Rotor Geometry: Improved airflow and balanced rotation reduce noise and vibration.

• Rigid Shaft Design: Oversized shaft construction increases mechanical stability for high-load applications.

• High-Grade Materials: Made from premium steel and magnetic materials for superior heat resistance and efficiency.

• Ametek Quality Assurance: Rigorously tested to OEM specs, providing unmatched dependability in both commercial and residential contexts.

Technical Specifications

 Ideal Buyers – Who Should Buy It?

• HVAC professionals & contractors needing reliable rotor replacements

• Maintenance teams in manufacturing plants reliant on blower motors

• Appliance repair technicians servicing dryers, centrifuges, or compressors

• OEM manufacturers building custom motor assemblies

• DIY enthusiasts upgrading or repairing compatible Ametek electric motors

Availability – Online and In‑Store

• Online Availability: Ships from US-based distribution centers with next-day delivery options in most states.

• In-Store Pickup / Local Distributors: Available at select Ametek-authorized HVAC and motor parts suppliers nationwide.

• Stock Status: Typically stocked; please check real-time availability or contact customer support for bulk orders or special shipping requests.

Comparison Table

Pros and Cons

Pros:

• Guaranteed OEM fit and compatibility

• High-performance, precision-engineered rotor

• Reduced noise, vibration, and mechanical wear

• Built with durable, heat-resistant components

• Covered by manufacturer warranty

Cons:

• Slightly more expensive than generic aftermarket alternatives

• Large shaft design may not fit smaller motors

• Requires proper match with original motor housing

Frequently Asked Questions (FAQs)

1. What exactly does “large shaft” mean?
It refers to a thicker-than-standard rotor shaft engineered to fit heavy-duty Ametek Lamb motor housings.

2. Is Part #31292 an OEM Ametek product?
Yes—this is a factory-original rotor designed by Ametek for select motor models.

3. Will this rotor fit my motor?
Check your motor’s part number and OEM dimensions (5.7″ diameter, large shaft) before purchasing.

4. What is the maximum RPM rating?
According to Ametek specifications, it supports up to ~3,450 RPM (verify on datasheet).

5. Is this rotor balanced?
Yes—it meets precision balance standards (ISO G6.3 or better) to prevent vibration.

6. Can I order custom quantity?
Absolutely. Bulk pricing and expedited shipping available upon request.

7. What industries use this rotor?
Commonly used in HVAC, appliance repair, compressors, centrifuges, and industrial blowers.

8. Does it come with installation instructions?
A detailed installation guide is available upon request or through our online support center.

9. Do you ship internationally?
We ship primarily within the USA. For international orders, contact customer service.

10. Do you accept returns?
Yes, subject to 30-day return policy. Rotor must be unused and in original packaging.

11. What should I do if this rotor doesn’t fit?
Contact our support team with your motor’s model/serial number—we’ll find the correct replacement.

12. Is VAT or tax included?
Sales tax is calculated at checkout—no VAT for domestic orders.

13. Is technical support available?
Yes! Our support engineers are available via phone and email for fitment and troubleshooting guidance.

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):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. 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.
3. Continue on VA-267 W: Stay on the Dulles Toll Road for several miles.
4. Take Exit 16 for VA-7 E (Leesburg Pike) / VA-123 S (Chain Bridge Rd): Follow signs for VA-123 South (Chain Bridge Rd).
5. Merge onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
6. Turn Right onto Main Street (VA-236 W): This will be a significant intersection. You'll continue on Main Street for a short distance.
7. 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.):

1. Take I-66 W toward Vienna/Centreville/Fairfax: Get onto I-66 West.
2. Take Exit 60 for VA-123 S (Chain Bridge Rd) toward Fairfax: Follow the exit ramp.
3. Turn Right onto VA-123 S (Chain Bridge Rd): Continue south on Chain Bridge Road.
4. Turn Right onto Main Street (VA-236 W): This will be a significant intersection.
5. 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:
  1. 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.
  2. Continue on Main Street (VA-236 W):
  3. Ace Vacuums Fairfax: Ace Vacuums will be on your left side, directly opposite Havertys Furniture Store.
• From Vienna:
  1. Take VA-123 S (Chain Bridge Rd) toward Fairfax: Head south on Chain Bridge Road.
  2. Turn Right onto Main Street (VA-236 W):
  3. 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):
  1. Take US-50 E or I-66 E towards Fairfax.
  2. 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.
  3. If on US-50 E, turn right onto Main Street (VA-236 E) in Fairfax.
  4. 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):

1. Start on I-495 S (Capital Beltway Inner Loop): Head south on I-495 towards Northern Virginia.
2. 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.
3. 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.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg: This is a major exit.
5. Continue on VA-7 W: You'll drive for several miles, passing through Sterling and Ashburn.
6. Take the Exit for Battlefield Parkway / Fort Evans Road: As you approach Leesburg, look for this exit.
7. Turn Right onto Fort Evans Rd NE: After exiting, turn right onto Fort Evans Road NE.
8. 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.):

1. Take I-66 W toward Vienna/Centreville: Get onto I-66 West.
2. Merge onto VA-267 W (Dulles Toll Road): Follow signs for VA-267 West (Dulles Toll Road). Tolls apply.
3. Continue onto VA-267 W (Dulles Greenway): Stay on the Dulles Greenway. Tolls apply.
4. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
5. Continue on VA-7 W:
6. Take the Exit for Battlefield Parkway / Fort Evans Road:
7. Turn Right onto Fort Evans Rd NE:
8. 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:
  1. 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).
  2. Continue on VA-267 W (Dulles Toll Road/Dulles Greenway): Tolls apply.
  3. Take Exit 1A for VA-7 W (Harry Byrd Hwy) toward Leesburg:
  4. Continue on VA-7 W:
  5. Take the Exit for Battlefield Parkway / Fort Evans Road:
  6. Turn Right onto Fort Evans Rd NE:
  7. 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:
  1. Take VA-7 W (Harry Byrd Hwy) directly toward Leesburg: This is the most direct route.
  2. Take the Exit for Battlefield Parkway / Fort Evans Road:
  3. Turn Right onto Fort Evans Rd NE:
  4. 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):
  1. Take US-7 E (Harry Byrd Hwy) toward Leesburg:
  2. In Leesburg, after passing the Leesburg Premium Outlets on your left, prepare for the Fort Evans Road / Battlefield Parkway exit.
  3. Take the Exit for Fort Evans Road / Battlefield Parkway.
  4. Turn Left onto Fort Evans Rd NE: You'll go over VA-7.
  5. 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.