Components
Kop-Flex 3 1/2F FHUB
FAST COUPLING-500
Material
Carbon Steel
Bore Size Max (in)
3.75 in
Bore Type
Rough Bore
Component Type
Flex Hub
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- All-metal end ring seal design for maximum service life. The industry standard for over 75 years.
- Provides 300% greater lubricant capacity than o-ring style couplings.
- Greater lubricant capacity allows longer periods between scheduled lubrications and longer service life.
- Straight tooth design provides improved load distribution, lower stresses and longer life for the gear teeth.
- Material
- Carbon Steel
- Bore Size Max (in)
- 3.75 in
- Bore Type
- Rough Bore
- Component Type
- Flex Hub
- Configuration
- Full Flex
- Coupling Size
- 3.5
- Coupling Type
- Gear Coupling
- Hub Diameter (in)
- 5 in
- Length Through Bore (in)
- 4.1875 in
- Length Through Bore (mm)
- 127 mm
- Lube/Non-Lube
- Lubricated
- Max Bore w/standard key
- 3.75 in
- Measurement System
- Imperial
- Model
- FASTS
- Outside Diameter (in)
- 11 in
- Size Code
- 3.5
- Sleeve Outside Diameter (in)
- 11 in
- Speed Max (rpm)
- 6,000 rpm
- Tooth Profile
- Straight
- Torque Rating (in-lb)
- 148,000 in/lbs
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Kop-Flex
- Mfg. Catalog Numberi
- 3 1/2F FHUB
- Mfg. Part Numberi
- 1960707
- GDS #i
- GDS-107937
- Categoryi
- Components
- UPCi
- 662384135091
- Country of Origini
- United States of America
Common Questions
What is the outside diameter of the 3 1/2F FHUB?
The 3 1/2F FHUB has a outside diameter of 11 in. The specification table above lists every published dimension for this part.
Is this a genuine Kop-Flex part?
Yes. GDS Supply supplies the genuine Kop-Flex 3 1/2F FHUB, manufacturer article number 1960707. Its UPC is 662384135091.
