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Kop-Flex 4 1/2F FHUB (Rexnord PN 1960731) is a Size 4.5 FASTS gear coupling flex hub made of carbon steel. It features a 13.625" outside diameter, 4.75" max bore, and 6.5" length through bore. This flex hub is designed for use with FASTS gear couplings, offering a reliable connection with a metallic lifetime seal.
MODEL 1960731
Contact supplier for technical support on: 800-626-2120
$1,287.44 Each
Prices are subject to change
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Bore Size Max
4.75
Bore Type
Rough Bore
Component Type
Flex Hub
Coupling Size
4.5
Coupling Type
Gear Coupling
Height (in)
7.00
Hub Diameter (in)
6.5
Length (in)
11.90
Length Through Bore (in)
6.5
Length Through Bore (mm)
165.1
Lube/Non-Lube
Lubricated
Material
Carbon steel
Max Bore w/standard key
4.75
Measurement System
Imperial
Model
FASTS
OD
13.625
Size Code
4.5
Sleeve Outside Diameter (in)
13.625
Speed Max (rpm)
4770
Tooth Profile
Straight
Torque Rating (in-lb)
318000
Width
12.00
- 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.
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