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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

7.0

Bore Size

7/8 in

Dimension A

7.81 in

Dimension B

3.67 in

Dimension C

7.05 in

Dimension D

0.56 in

Dimension Q

2.149 in

Dimension R

0.84 in

Dimension S

1.15 in

Dimension T

2.54 in

Dimension U

2.687 in

Dimension V

1/2-20 in

Dimension X

2.00 in

Dimension J

N/A

Dimension W

N/A

Dimension B 1

N/A

Maximum C

N/A

Dimension C 1

N/A

Dimension E

N/A

Dimension F

N/A

Dimension G

N/A

Nr. H

N/A

H Diameter

N/A

Dimension I

N/A

Dimension K

N/A

Dimension L

N/A

Dimension M

N/A

Dimension N

N/A

Q.D. Hub Size

SD

Weight (Less Oil)

12.75

Key

3/16

Maximum Speed

3600 rpm

Center Capscrew Torque

38 to 42 lb ft

Casting on Housing

216262 A|216405 A

Less Oil Weight

N/A

Maximum Oil Volume

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