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U323 Marathon Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Marathon dealer — how we source.
Overview
Part number U323 from Marathon, listed in Electric Motors. Specifications on file: Catalog Number U323; Duty Continuous; Enclosure Type TEFC; Frame 184JM. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature NEMA JM pump shaft dimensions Ball bearings, mechanically locked on shaft end Continuous duty 1.15 Service Factor UL Recognized and CSA Certified Close-Coupled Pump Motor, 5 HP, 3 Ph, 60 Hz, 575 V, 3600 RPM, 184JM Frame, TEFC - Marathon catalog number U323 (ordering code 184TTFR4021). Marathon specifications: Phase: 3; Output HP: 5 Hp; Output KW: 3.7 kW; Voltage: 575 V; Speed: 3475 rpm; Service Factor: 1.15; Frame: 184JM; Thermal Protection: No Protection; Efficiency: 87.5 %; Ambient Temperature: 40 °C; Frequency: 60 Hz; Current: 4.9 A; Power Factor: 88; Duty: Continuous; Insulation Class: F; Design Code: B; KVA Code: J; Drive End Bearing Size: 6307; Opp Drive End Bearing Size: 6205; Enclosure: Totally Enclosed Fan Cooled; UL: Recognized; CSA: Y.
Specifications
| Catalog Number | U323 |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 184JM |
| Frame Material | Rolled Steel |
| Frequency | 60 Hz |
| Full Load Amps | 4.9 A |
| Horsepower | 5 HP |
| Model | 184TTFR4021 |
| Mounting | Rigid |
| Phase | 3 |
| Product Line | Close-Coupled Pump |
| Speed | 3600 RPM |
| Voltage | 575V |
| Weight | 82 lb |
Product details
| Manufacturer | Marathon |
|---|---|
| Manufacturer part number | U323 |
| Product category | Electric Motors |
| Published specifications | 15 attributes listed |
Request a quote for this part
Email orderdesk@kkmsolutions.com or call (825) 454-5367 for pricing and availability.
Frequently Asked Questions
How do I get pricing for U323?
This part is quoted on request, so no price is listed for it here. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the U323?
U323 is made by Marathon and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Marathon dealer: we source the exact Marathon part number U323, and the quote confirms condition and lead time before you order.
Is the U323 new and genuine?
Parts we supply are new and genuine unless the quote expressly states otherwise. Where a part is new-old-stock, from excess inventory, refurbished or open-box, the quote says so before you approve it.
What warranty comes with the U323, and can I return it?
Parts we supply are warranted against manufacturing defects for 1 year from the date of delivery; where the manufacturer's own warranty is longer, the manufacturer's warranty applies. The warranty covers repair, replacement, or credit of the defective part and does not cover normal wear items, misapplication, improper installation, or consequential damages. Contact us within 30 days of delivery before returning anything — all returns need a return authorization from the order desk.
What is the lifecycle status of U323?
No published lifecycle status is on file for U323. Marathon lists whether a catalog number is current, superseded or end-of-life on its own product page, and our order desk confirms the status with the manufacturer at quote time, before you commit. Send the part number through the quote form on this page.
What are the key specifications of U323?
Key specifications include Catalog Number: U323; Duty: Continuous; Enclosure Type: TEFC; Frame: 184JM. The full specification table on this page lists every published attribute for this part.
What voltage does U323 use?
Per the published specification for U323: Voltage: 575V. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What is the power rating of U323?
Per the published specification for U323: Horsepower: 5 HP. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How much does U323 weigh?
Per the published specification for U323: Weight: 82 lb. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
How quickly can U323 ship?
Lead time for U323 is quoted per order and confirmed on your quote, which our order desk sends within 1 business day. For a line-down emergency, call the 24/7 order desk at (825) 454-5367.
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