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All Categories > Flexible Couplings > Fluid Couplings > Mesur-Fil Fluid Couplings > Model HSD Mesur-Fil Fluid Coupling > Item # 6-619-005-001-0000  
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Item # 6-619-005-001-0000, Model HSD Mesur-Fil Fluid Coupling

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.

Unit of Measure: Imperial Metric Both

Specifications  · Tolerance  · Note




Bore Size

3-3/8 in

Dimension A

22.244 in

Dimension B

7.480 in

Dimension D

3.375 in

Dimension Q

1-1/4 7 UNC

Dimension S

7/8 9 UNC

Dimension T

8.449 in

Dimension V

3.635 in

Dimension J

8.250 in

Dimension W

0.875 in

Dimension B1

3.779 in

Maximum C

17.913 in

Dimension C1

20.315 in

Dimension E

8.858 in

Dimension F

5.1484 in

Dimension G

6.250 in

Nr. H


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


Less Oil Weight

174 lb

Maximum Oil Volume

3.75 gal


Wichita Clutch

Dimension D

up to 2 inch: +0.001/-0.000
from 2 to 4 inch: +0.0015/-0.000

Dimension W

up to 0.500 inch: +0.002/-0.000
from 0.625 to 1 inch: +0.003/-0.000

Maximum Bore
With Reduced Depth Keyway