2280758 Kop-Flex 3 1/2F SB FR (Rexnord PN ) Size 3.5 FASTS gear coupling with standard rough bore, 11" outside
KKM Solutions is an independent parts distributor, not an authorized Kop-Flex dealer — how we source.
Kop-Flex 2280758 - Complete Units - Material: Medium Carbon Steel; Coupling Size: 3.5; Style: FASTS.
Overview
Part number 2280758 from Kop-Flex, listed in Shaft Couplings & Collars. Specifications on file: Bolt Type Shrouded; Bore Size Max 3.75; Bore Type Rough Bore; Configuration Flex Rigid. KKM Solutions quotes this part with pricing and availability confirmed per order.
Kop-Flex 2280758 — Complete Units. Specs: Material: Medium Carbon Steel · Style: FASTS · Configuration: Flex Rigid · Overall Length (in): 8.438 in · Length Through Bore (in): 4.03125 in · Bore Type: Rough Bore · Coupling type: Gear Coupling · Lube/Non-Lube: Lubricated. Quoted per order by KKM Solutions.
Specifications
| Bolt Type | Shrouded |
|---|---|
| Bore Size Max | 3.75 |
| Bore Type | Rough Bore |
| Configuration | Flex Rigid |
| Coupling Size | 3.5 |
| Coupling type | Gear Coupling |
| Fastener Quantity | 12 |
| Fastener Size & Length | 5/8 x 1 5/8 |
| Hub Diameter (in) | 7.75 |
| Length Through Bore (in) | 4.03125 in |
| Lube/Non-Lube | Lubricated |
| Material | Medium Carbon Steel |
| Max Bore w/standard key for Flex Hub | 3.75 |
| Measurement System | Imperial |
| Min Compatible Bore Size (in) | 0.000000 |
| Min Compatible Bore Size Flex Hub (in) | 0.000000 |
| Min Compatible Bore Size Rigid Hub (in) | 2.25 |
| OD | 11 |
| Overall Length (in) | 8.438 in |
| Rating HP @ 100 RPM | 235 |
| Sleeve Type | Flanged |
| Speed max. [rpm] | 6000 |
| Style | FASTS |
| Tooth Profile | Straight Faced Involute Hub tooth |
| Torque [Max] (in-lb) | 296000 |
| Torque Rating (in-lb) | 148000 |
Product details
| Manufacturer | Kop-Flex |
|---|---|
| Manufacturer part number | 2280758 |
| Product category | Shaft Couplings & Collars |
| Published specifications | 26 attributes listed |
| Related part numbers | 9 other part numbers in this family |
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 2280758?
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 2280758?
2280758 is made by Kop-Flex and is listed in our Shaft Couplings & Collars category. KKM Solutions is an independent distributor, not an authorized Kop-Flex dealer: we source the exact Kop-Flex part number 2280758, and the quote confirms condition and lead time before you order.
Is the 2280758 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 2280758, 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 2280758?
No published lifecycle status is on file for 2280758. Kop-Flex 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 2280758?
Key specifications include Bolt Type: Shrouded; Bore Size Max: 3.75; Bore Type: Rough Bore; Configuration: Flex Rigid. The full specification table on this page lists every published attribute for this part.
What is the bore size of 2280758?
Per the published specification for 2280758: Length Through Bore (in): 4.03125 in; Max Bore w/standard key for Flex Hub: 3.75. Confirm against the full specification table on this page, or ask our order desk to verify it with the manufacturer at quote time.
What material is 2280758 made of?
Per the published specification for 2280758: Material: Medium Carbon Steel. 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 2280758 ship?
Lead time for 2280758 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.
Variants & Related Part Numbers
Other Kop-Flex part numbers in this family:
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