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Hydro-sheave couplings are mounted to the motor shaft end and provide minimal overhung loads for parallel (belt-driven) shaft applications. The smaller sizes (7-12.4) are installed very quickly and easily utilizing a slotted collet in which no drilling or tapping is required. The slotted collet is finished bored to fit standard NEMA B motor shaft dimensions. The larger sizes (15-24) are installed with a center locating bolt that does require drilling and tapping to ensure proper mounting. The Model HSD Fluid Coupling consists of a basic fluid coupling, input and output group, and a standard customer supplied QD type sheave. The sheave is mount ed on a coupling that has been installed on the end of a driveshaft.

Specifications

Size

17

Bore Size

2-7/8 in

Dimension A

20.472 in

Dimension B

6.693 in

Dimension C

N/A

Dimension D

3.375 in

Dimension Q

in
1-1/4 7 UNC

Dimension R

N/A

Dimension S

in
7/8 9 UNC

Dimension T

8.449 in

Dimension U

N/A

Dimension V

3.635 in

Dimension X

N/A

Dimension J

8.250 in

Dimension W

0.875 in

Dimension B 1

3.779 in

Maximum C

17.913 in

Dimension C 1

20.315 in

Dimension E

9.654 in

Dimension F

5.1484 in

Dimension G

6.250 in

Nr. H

3

H Diameter

5/8 11 UNC

Dimension I

12.992 in

Dimension K

1.378 in

Dimension L

4.331 in

Dimension M

7-1/4 in

Dimension N

8.976 in

Q.D. Hub Size

J

Weight (Less Oil)

N/A

Key

N/A

Maximum Speed

N/A

Center Capscrew Torque

lb ft

Casting on Housing

N/A

Less Oil Weight

156 lb

Maximum Oil Volume

3.09 gal

Tolerance

Dimension D
up to 2 inch: +0.001/-0.000from 2 to 4 inch: +0.0015/-0.000
Dimension W
up to 0.500 inch: +0.002/-0.000from 0.625 to 1 inch: +0.003/-0.000

Manufacturer

Wichita Clutch

Notes

Maximum Bore
With Reduced Depth Keyway