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 12.4

Bore Size

 N/A 1-5/8 in

Dimension A

 N/A 13.50 in

Dimension B

 N/A 5.98 in

Dimension C

 N/A 12.12 in

Dimension D

 N/A 0.82 in

Dimension Q

 N/A 3.736 in

Dimension R

 N/A 1.24 in

Dimension S

 N/A 1.87 in

Dimension T

 N/A 4.90 in

Dimension U

 N/A 5.000 in

Dimension V

 N/A 1/2-13 in

Dimension X

 N/A 3.00 in

Q. D. Hub Size

 N/A E

Weight (Less Oil)

 N/A 68.00

Key

 N/A 3/8

Maximum Speed

 N/A 1800 rpm

Casting on Housing

 N/A 219463 A 219464 A

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 Do not use Eaton QD sheaves.
Bolt pattern is not the same.