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Kop-Flex 2280535 — Shaft Couplings & Collars

2280535 Kop-Flex 3 1/2F EB FR (Rexnord ) Size 3.5 FASTS gear coupling with extended rough bore, 11" outside

Brand: Kop-Flex SKU: 2280535 Mfr Part #: 2280535

KKM Solutions is an independent parts distributor, not an authorized Kop-Flex dealer — how we source.

Ships worldwide — lead time quoted per part

Kop-Flex 2280535 - Complete Units - Material: Medium Carbon Steel; Coupling Size: 3.5; Style: FASTS.

Sourced to exact specCross-checked against manufacturer part data
Fast quote turnaroundOur order desk replies within 1 business day
Worldwide shippingWe ship to your site, warehouse, or freight forwarder

Overview

Part number 2280535 from Kop-Flex, listed in Shaft Couplings & Collars. Specifications on file: Bolt Circle 9.5; Bolt Type Exposed; Bore Size Max 3.75; Bore Type Rough Bore. KKM Solutions quotes this part with pricing and availability confirmed per order.

Kop-Flex 3 1/2F EB FR FASTS gear coupling, Size 3.5, extended rough bore, 11" OD, 3.75" max bore, lifetime metallic seal, lubricated. Kop-Flex 2280535 — Complete Units. Specs: Material: Medium Carbon Steel · Style: FASTS · Performance: Lubrication Hole · Configuration: Flex Rigid · Temperature range: -40 to +190 °F · Overall Length (in): 8.5 in · Length Through Bore (in): 4.03125 in · Bore Type: Rough Bore. Quoted per order by KKM Solutions.

Specifications

Bolt Circle 9.5
Bolt Type Exposed
Bore Size Max 3.75
Bore Type Rough Bore
Configuration Flex Rigid
Coupling Size 3.5
Coupling type Gear Coupling
Fastener Quantity 8
Fastener Size & Length 3/4 x 3 3/8
Hub Diameter (in) 7.75
Includes Hubs (1) Sleeve (1) Rigid (1) Seal (2)
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) 8.5 in
Performance Lubrication Hole
Rating HP @ 100 RPM 235
Sleeve Type Flanged
Speed max. [rpm] 6000
Style FASTS
Temperature range -40 to +190 °F
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 2280535
Product category Shaft Couplings & Collars
Published specifications 30 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.

Quotes back within 1 business day — usually the same day. Need it faster? Call (825) 454-5367, answered 24/7.

Frequently Asked Questions

How do I get pricing for 2280535?

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 2280535?

2280535 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 2280535, and the quote confirms condition and lead time before you order.

Is the 2280535 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 2280535, 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 2280535?

No published lifecycle status is on file for 2280535. 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 2280535?

Key specifications include Bolt Circle: 9.5; Bolt Type: Exposed; Bore Size Max: 3.75; Bore Type: Rough Bore. The full specification table on this page lists every published attribute for this part.

What is the bore size of 2280535?

Per the published specification for 2280535: 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 operating temperature is 2280535 rated for?

Per the published specification for 2280535: Temperature range: -40 to +190 °F. 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 2280535 made of?

Per the published specification for 2280535: 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 2280535 ship?

Lead time for 2280535 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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