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LoveJoy 69790400217 FMM 4 HUB RSB

BRAND: LoveJoy | MODEL: 69790400217 | CONDITION: NEW | SKU: 1795823
LoveJoy 69790400217 FMM 4 HUB RSB

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Weight: 72.00 lbs UOM: EA

Additional Description



FMM Type Mill Universal Hubs - Rough Stock Bore

The FMM Type coupling consists of one universal hub (FMM Mill Type), one standard F Type flex hub, two standard F Type flex sleeves, and one accessory kit. This coupling is supplied with exposed bolts as standard, with shrouded bolts are available upon request through size 5.5.

The FMM Type Mill Universal hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard F Type).

Description FMM 4 HUB RSB
Hub StyleExposed Bolt
TypeGear Coupling Hubs
Hub MaterialAISI 1045
Bore TypeRough Stock Bore
Coupling TypeGear
Weight72.00 lb
Complete Coupling Weight234.00 lb
Dimensional Data
Bore Size2.440 in62.00 mm
Max. Bore (Dimensions ID1/ID2)5.375 in145 mm
Set Screw Style Coupling Size (Dimension T)No Setscrew
Depth8.250 in
Overall Length13.250 in336.55 mm
Dimension D9.250 in234.95 mm
Dimension FD12.50 in317.50 mm
Dimension HD7.500 in190.50 mm
Distance between Shaft Ends (Dimension BSE)0.250 in6.35 mm
Length Through Bore of Universal Hub (LTB1)8.250 in209.55 mm
Cubic inches464.06250 in³
Performance Data
Nominal Torque220500 in·lb24900 N·m
Max. Speed (Unbalanced)3000 rpm
Max. Speed (Balanced)4500.00 rpm
Parallel Misalignment0.150 in
Max. Angular Misalignment1.50º per Gear Mesh
  • Patented Vari-Crown® tooth form for long life
  • Standard 20° pressure angle
  • Heat treated bolts for greater strength
  • Corrosion resistant bolts and nuts for ease of maintenance
  • Provides parallel, angular misalignment and end float
  • Flex Half coupling interchangeable with industry standards
  • Long Universal Hub supplied to customer specifications with straight or tapered bores
  • LTB1 Dimensions are the maximum lengths of Universal Hubs kept in stock and altered to customer specifications. Longer length hubs are made to order.
  • Exposed Bolt Design is standard.
  • Shrouded Bolt Design available upon request for sizes 1 through 5.5.
  • Puller Holes are standard on sizes 4 through 6.
  • Puller Holes are available for sizes 1 through 3.5 at an additional charge.
  • Interference bores with no set screws are standard unless otherwise specified.
  • Inch bore and keyway tolerances conform to ANSI / AGMA 9002-B04.
  • For metric bore and keyway tolerances, consult Lovejoy Engineering Section.