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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 > F Type Flex Hubs - Rough Stock Bore > Part Number 69790400184  
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Part Number 69790400184, F Type Flex Hubs - Rough Stock Bore



F Type Flex Hubs, Rough Stock Bore

For use with F (Flex-Flex) or FFR (Flex-Rigid) couplings.

The F Type coupling consists of two flex hubs, two sleeves and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The F Type has a max angular misalignment of 3.0 degrees (1.5 degrees per gear mesh).

The FFR Type coupling consists of one flex hub, one rigid hub, one sleeve, and one accessory kit. Exposed bolts (E) are the standard design for this coupling, though shrouded bolt (S) designs are available upon request through size 5.5. The FFR Type has a max angular misalignment of 1.5 degrees (1.5 degrees per gear mesh).

For larger torques, consider the FHD Type gear coupling in sizes 10 through 30.





Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data

Specifications

Description 

F-2.5-HUB-RSB

Type

Gear Coupling Hubs

Hub Material

AISI 1045

Style

Unbored

Color

Metallic

Bore Type

Rough Stock Bore

Coupling Type

Gear

Weight

15.00 lb


Dimensional Data

Size

2 1/2

Set Screw Style Coupling Size (Dimension T)

No Setscrew

Length thru Bore

3.030 in

Max. Bore

3.250 in
85
mm

Rough Stock Bore

1.44 in
37
mm

Dimension HD

4.630 in
117.60
mm

Cubic inches

64.95381 in³

Overall Length

6.25 in

Flange Diameter (Dimension FD)

8.38 in

Distance between Shaft Ends (Dimension BSE)

0.19 in


Performance Data

Nominal Torque

56700 in·lb
6410
N·m

Max Speed (Unbalanced)

4400 rpm


 MORE IMAGES 

·  F Type Flanged Sleeve Cut Away

·  FFR Type Gear Coupling

·  FFR Type Gear Coupling Diagram


 DOWNLOADS 

Gear Coupling Product Catalog

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

FFR Type (Flex-Rigid) Installation Instructions
(PDF, 0KB)


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