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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 > FLAMM Type (Flex-Flex All-Metal Labyrinth Seal Mill Motor Coupling) Hubs - Finished (AISE Frame) Bore > Part Number 69790492481  
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Part Number 69790492481, FLAMM Type (Flex-Flex All-Metal Labyrinth Seal Mill Motor Coupling) Hubs - Finished (AISE Frame) Bore


FLAMM Type (Flex-Flex All-Metal Labyrinth Seal Mill Motor Coupling) Hubs - Finished (AISE Frame) Bore

The FLAMM Type coupling consists of one FLAMM Mill Type hub, one standard FLA Type flex hub, two standard FLA 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 FLAMM Type Mill hub accommodates AISE Mill Motor frame sizes (with the two sleeves and second hub being standard FLA Type).



Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features  · Notes

Specifications

Description 
FLAMM-2.5-HUB-603/604&803/804-MTR FRM

Hub Style
Exposed Bolt

Type
Gear Coupling Hubs

Hub Material
All Metal

Style
Bored

Color
Metallic

Coupling Type
Gear

AISE Motor Frame Size
603/803 & 604/804

Weight
12.65 lb

Complete Coupling Weight
71.00 lb


Dimensional Data

Bore Size 
1.9980 to 1.9990 in

Size
2 1/2

Keyway Size (W x D)
1/2 x 1/4 in

Length thru Bore
3.500 in
88.90 mm

Dimension BSE1
0.190 in
4.83 mm

Dimension D
5.91 in
150.11 mm

Dimension FD
8.38 in
212.85 mm

Dimension G
1.190 in
30.23 mm

Dimension HD
3.630 in
92.20 mm

Dimension HD1
5.840 in
148.34 mm

Dimension OAL2
7.720 in
196.09 mm

Dimension OAL3
7.590 in
192.79 mm

Dimension LTB1
2.280 in
57.91 mm

Dimension LTB2
3.500 in
88.90 mm

Dimension TB
1.998 to 1.999 in
50.75 to 50.77 mm

Distance between Shaft Ends (Dimension BSE)
0.19 in
4.83 mm

Cubic inches
46.11915 in³


Performance Data

Nominal Torque
56700 in·lb
6410 N·m

Max. Speed (Unbalanced)
4400 rpm

Max. Speed (Balanced)
6600.00 rpm

Max. Angular Misalignment
1.50º per Gear Mesh


Features

Features 
  • Patented Vari-Crown® tooth form for long life on Flex Half
  • 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 used for A.I.S.E. Motor Frames


Notes

Notes 
  • Bore taper is 1-1/4 inch per foot on diameter.
  • Exposed Bolt Design is standard.
  • Shrouded Bolt Design available upon request for sizes 1.5 through 5.
  • Puller Holes are standard on sizes 4 through 7.
  • Puller Holes are available for sizes 1.5 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 AGMA 9002-B04.
  • For metric bore and keyway tolerances, consult Lovejoy Engineering Section.


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