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Kop-Flex 4F MMHUB14 (Rexnord PN 2284248) is a Size 4 FASTS gear coupling mill motor hub designed for NEMA 14 mill-motor frames. This carbon steel hub has a 12.5" outside diameter, 4.248" max bore, and 5" length through bore. It features the FASTS metallic seal for extended lubricant life and is a direct replacement for competitor hubs.
MODEL 2284248
Contact supplier for technical support on: 800-626-2120
$1,922.31 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable:No
Bore Size Max
4.248
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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