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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Gear Type Couplings > SIER-BATH® Gear Couplings > Flanged Sleeve Gear Couplings > FMM Type Mill Universal Hubs - Rough Stock Bore > Part Number 69790400363  
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Part Number 69790400363, FMM Type Mill Universal Hubs - Rough Stock Bore


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).



Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
FMM-5-HUB-RSB

Hub Style
Exposed Bolt

Type
Gear Coupling Hubs

Hub Material
AISI 1045

Style
Unbored

Color
Metallic

Bore Type
Rough Stock Bore

Coupling Type
Gear

Weight
157.00 lb

Complete Coupling Weight
450.00 lb


Dimensional Data

Bore Size
3 in
76 mm

Max. Bore (Dimensions ID1/ID2)
6.500 in
180 mm

Size
5

Set Screw Style Coupling Size (Dimension T)
No Setscrew

Depth
9.500 in

Overall Length
15.840 in
402.34 mm

Dimension D
11.560 in
293.62 mm

Dimension FD
15.31 in
388.87 mm

Dimension HD
9.500 in
241.30 mm

Distance between Shaft Ends (Dimension BSE)
0.310 in
7.87 mm

Length Through Bore of Universal Hub (LTB1)
9.500 in
241.30 mm

Cubic inches
857.37500 in³


Performance Data

Nominal Torque
434700 in·lb
49100 N·m

Max. Speed (Unbalanced)
2500 rpm

Max. Speed (Balanced)
3750.00 rpm

Parallel Misalignment
0.200 in

Max. Angular Misalignment
1.50º per Gear Mesh


Features

Features 
  • 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


Notes

Notes 
  • 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.



 DOWNLOADS 

Gear Coupling Product Catalog

F & FA Type Installation Instructions
(PDF, 0KB)


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