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Kop-Flex 4F MMHUB12 (Rexnord PN 2284230) is a Size 4 FASTS gear coupling mill motor hub designed for NEMA 12 mill-motor frames. This carbon steel hub has a 3.623" max bore, 12.5" outside diameter, and 5" length through bore. It features the patented FASTS metallic seal for extended lubricant life and reliable performance in steel mill and heavy industrial applications.
MODEL 2284230
Contact supplier for technical support on: 800-626-2120
$1,922.31 Each
Prices are subject to change
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Returnable:No
Bore Size Max
3.623
Bore Type
Taper Bore
Component Type
Mill Motor Hub
Coupling Size
4
Coupling Type
Gear Coupling
Hub Diameter (in)
5.75
Length Through Bore (in)
5
Length Through Bore (mm)
127
Lube/Non-Lube
Lubricated
Material
Carbon steel
Measurement System
Imperial
Model
FASTS
OD
12.5
Size Code
4
Sleeve Outside Diameter (in)
12.5
Speed Max (rpm)
5260
Tooth Profile
Straight
Torque Rating (in-lb)
236000
- 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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