B504 Leeson Electric Motors
KKM Solutions is an independent parts distributor, not an authorized Leeson dealer — how we source.
Overview
Part number B504 from Leeson, listed in Electric Motors. Specifications on file: Catalog Number B504; Duty Continuous; Enclosure Type TEFC; Frame 56. KKM Solutions quotes this part with pricing and availability confirmed per order.
Feature Heavy gauge steel constructions Ball bearings UL Recognized and CSA Certified LEESON catalog number B504 (Fan and Blower Motor, 0.33 HP, 1 Ph, 60 Hz, 115 V, 1800 RPM, 56 Frame, TEFC). Catalog specifications: Shaft Diameter: 0.625 in; CSA: Y; Poles: 4; Synchronous RPM: 1800 rpm; Outline Drawing: A-100507-656; KVA Code: M; Opp Drive End Bearing Size: 6203; Enclosure: Totally Enclosed Fan Cooled; Output HP: 0.33 Hp; Opp Drive End Bearing: Ball; Efficiency: 64.8 %; Connection Drawing: 102008-63; Shaft Type: T; IP Code: 43; Service Factor: 1; Ambient Temperature: 40 °C; Starting Method: Across The Line; Assembly/Box Mounting: F1 Only; Drive End Bearing: Ball; Torque UOM: LB-FT; Resistance Main: 0 Ohms; Frame: 56; Voltage: 115 V; Speed: 1,725 rpm; Current: 6.4 A; Frame Size: 56; Duty: Continuous; Motor Orientation: Horizontal; Number of Speeds: 1; Insulation Class: B; Output KW: 0.25 kW; Power Factor: 59; Mounting: Resilient Base; Phase: 1; Rotation: Selective Counterclockwise; Frame Suffix: None; Design Code: O; UL: Recognized; Drive End Bearing Size: 6203; CE: N; Electrical Type: Split Phase; Frequency: 60 Hz; Shaft Extension: 1.88 in; Frame Material: Rolled Steel; Thermal Protection: No Protection; Overall Length: 12.30 in. Weight: 24.00 LB.
Specifications
| Catalog Number | B504 |
|---|---|
| Duty | Continuous |
| Enclosure Type | TEFC |
| Frame | 56 |
| Frame Material | Rolled Steel |
| Frequency | 60 Hz |
| Full Load Amps | 6.4 A |
| Horsepower | 1/3 HP |
| Mounting | Resilient |
| Phase | 1 |
| Replaces | B1504, U906, 78443493324, H185, 56S17F5302 |
| Speed | 1725 RPM |
| Voltage | 115V |
| Weight | 24 lb |
Product details
| Manufacturer | Leeson |
|---|---|
| Manufacturer part number | B504 |
| Product category | Electric Motors |
| Published specifications | 14 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 B504?
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 B504?
B504 is made by Leeson and is listed in our Electric Motors category. KKM Solutions is an independent distributor, not an authorized Leeson dealer: we source the exact Leeson part number B504, and the quote confirms condition and lead time before you order.
Is the B504 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 B504, 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 B504?
No published lifecycle status is on file for B504. Leeson 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 B504?
Key specifications include Catalog Number: B504; Duty: Continuous; Enclosure Type: TEFC; Frame: 56. The full specification table on this page lists every published attribute for this part.
What voltage does B504 use?
Per the published specification for B504: Voltage: 115V. 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 B504?
Per the published specification for B504: Horsepower: 1/3 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 B504 weigh?
Per the published specification for B504: Weight: 24 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 B504 ship?
Lead time for B504 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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