The Rowland Company
The Rowland Company
4900 North 20th St.
Philadelphia, PA 19144
Toll Free: (800) 925-8824
Phone: (215) 455-4900
Fax: (215) 455-8888
Email: rowland@rowland2.com
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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.
Unit of Measure

Specifications

Size

 N/A 21

Bore Size

 N/A 3-7/8 in

Dimension A

 N/A 24.409 in

Dimension B

 N/A 8.071 in

Dimension D

 N/A 3.875 in

Dimension Q

 N/A 1-1/4 7 UNC

Dimension S

 N/A 7/8 9 UNC

Dimension T

 N/A 10.236 in

Dimension V

 N/A 4.314 in

Dimension J

 N/A 8.500 in

Dimension W

 N/A 1.000 in

Dimension B1

 N/A 4.330 in

Maximum C

 N/A 21.456 in

Dimension C1

 N/A 24.408 in

Dimension E

 N/A 11.811 in

Dimension F

 N/A 6.500 in

Dimension G

 N/A 7.875 in

Nr. H

 N/A 4

H Diameter

 N/A 3/4 10 UNC

Dimension I

 N/A 15.748 in

Dimension K

 N/A 1.575 in

Dimension L

 N/A 7.085 in

Dimension M

 N/A 9.00 in

Dimension N

 N/A 9.842 in

Q. D. Hub Size

 N/A M

Less Oil Weight

 N/A 270 lb

Maximum Oil Volume

 N/A 5.02 gal

Manufacturer

 N/A Wichita Clutch

Tolerance

N/A 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

Note

N/A Maximum Bore