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Kop-Flex 3 1/2F EB FR FB (Rexnord PN 2280642) Size 3.5 FASTS gear coupling with extended bore, rough bore, and finished bore options, 11" outside diameter, 3.75" max bore. Lubricated design with lifetime metallic seal for extended service life and 300% greater lubricant capacity versus standard gear couplings.
MODEL 2280642
Contact supplier for technical support on: 800-626-2120
$4,707.33 Each
Prices are subject to change
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Returnable:No
Bolt Type
Exposed
Bore Size Max
3.75
Bore Type
Finished Bore
Configuration
Flex Rigid
Coupling Size
3.5
Coupling Type
Gear Coupling
Fastener Quantity
8
Fastener Size & Length
3/4 x 3 3/8
Length Through Bore (in)
4.03125
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
Min Compatible Bore Size Flex Hub (in)
0
Min Compatible Bore Size Rigid Hub (in)
2.25
OD
11
Rating HP @ 100 RPM
235
Speed Max (rpm)
6000
Style
FASTS
Tooth Profile
Straight Faced Involute Hub tooth
Torque [Max] (in-lb)
296000
Torque Rating (in-lb)
148000
- 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.
