RUBBER PARTS | Vibration & Shock Mounts

MM316 Series 300 Cylindrical Mountings

MM316/319

SERIES 300 CYLINDRICAL MOUNTINGS

FOR LOADS TO 86 POUNDS IN COMPRESSION; 43 POUNDS IN SHEAR

 

DESCRIPTION

The small, yet rugged design and the broad range of sizes make ESTCO MM316 Series 300 cylindrical mountings ideal for a wide range of applications. They have been used on electric motors and generators, fans and blowers, relays and control panels, business machines timing devices and air handling equipment.

ESTCO cylindrical mountings can be loaded in compression, in shear, or in combination compression and shear. Additional standard stud combinations have been added to the line to allow wider applications of these mountings to a customer’s design requirements.

All engineering data herein apply to mountings with a studded or tapped insert at each end.

The maximum unthreaded portion of the stud does not exceed 1/16-inch.

 

LOAD DEFLECTION GRAPH

Deflections below the line X—-X are considered safe practice for static loads; data above that line are useful for calculating deflections under dynamic loads

 

SELECTION GUIDE

 

COMPRESSION

MINIMUM LOAD FOR 81% ISOLATION (LBS)

FORCING FREQUENCY IN CYCLES PER MINUTE
LOAD RATINGMAXIMUM LOAD (LBS)70095011001250150017502000225025003000
A3735241813.511
B48342620.51613
C574632.526.52016
D86805948363021

SHEAR

MINIMUM LOAD FOR 81% ISOLATION (LBS)

FORCING FREQUENCY IN CYCLES PER MINUTE
LOAD RATINGMAXIMUM LOAD (LBS)70095011001250150017502000225025003000
A161686.553.5*****
B2112.59.57.55.54****
C3523.51814107.56***
D433224.519139.57.5***

* At these forcing frequencies lesser loads will yield 81% isolation.

 

DIMENSIONS

LEFT STUD (IN.) - THREADLEFT STUD (IN.) - LENGTHRIGHT STUD (IN.) - THREADRIGHT STUD (IN.) - LENGTHSUFFIX
5/16 – 18**5/16 – 18***** 66
5/16 – 181/25/16 – 183/469
5/16 – 189/165/16 – 189/16*76
5/16 – 185/85/16 – 185/872
5/16 – 183/45/16 – 183/470

* standard stud
** tapped hole
*** Style 319

 

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MM315 Series 300 Cylindrical Mountings

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MM321 Series 300 Cylindrical Mountings