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GN 353.1 Vibration / Shock Absorption Mounts Rubber, Conical Type, with Steel Components, with Threaded Stud

Vibration / Shock Absorption Mounts GN 353.1: Rubber, Conical Type, with Steel Components, with Threaded Stud

Overview of Types Vibration Damping Elements / Vibration Isolation Mounts / Rubber Bumpers Technical Instructions Vibration Isolation Mounts / Rubber Bumpers Plastic Characteristics

Product description

Vibration / shock absorption mounts GN 353.1 are used as end-stop bumpers, e.g. for conveyors.

They absorb most of the accumulated kinetic energy on impact. They act as dampers and prevent damaging shock and rebound. They also act as sound dampers.

The parabolic shape of these mounts generates progressive resilience characteristics: impact and shock effects are absorbed more gently.

Specification

Rubber
Natural rubber (NR), black

Vulcanized to the cover plate
Operating temperature up to 176 °F (80 °C)
Shore hardness A ±5
- Medium55
- Hard70

Cover plate / Threaded stud
Steel, zinc plated, yellow passivated finish

RoHS

On request

Versions with Shore hardness 40

GN 353.1 Rubber Vibration / Shock Absorption Mounts, Conical Type, with Steel Components, with Threaded Stud sketch

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Part Options / Table

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Dimensions in: Inch (change to Metric)

Part Number 55 - Medium	Part Number 70 - Hard	d₁	h	d₂	Length l	s	Spring rate ≈ Hardness 55	Max. load Hardness 55	Max. deflection ≈ Hardness 55


353.1-19-25-1/4-55	353.1-19-25-1/4-70	0.75	0.98	1/4 x 20	0.51	0.08	90.96 lbf/in (15.93 N/mm)	22.00 lbf (97.86 N)	0.24
353.1-25-32-1/4-55	353.1-25-32-1/4-70	0.98*	1.26	1/4 x 20	0.51	0.08	132 lbf/in (23.11 N/mm)	33.00 lbf (146.79 N)	0.25
353.1-32-38-5/16-55	353.1-32-38-5/16-70	1.26*	1.50	5/16 x 18	0.63	0.08	155 lbf/in (27.14 N/mm)	45.00 lbf (200.16 N)	0.29
353.1-38-45-5/16-55	353.1-38-45-5/16-70	1.50*	1.77	5/16 x 18	0.63	0.08	374 lbf/in (65.49 N/mm)	146 lbf (649.44 N)	0.39
353.1-45-51-3/8-55	353.1-45-51-3/8-70	1.77*	2.01	3/8 x 16	0.63	0.08	284 lbf/in (49.73 N/mm)	168 lbf (747.3 N)	0.59
353.1-51-57-3/8-55	353.1-51-57-3/8-70	2.01*	2.24	3/8 x 16	1.10	0.08	285 lbf/in (49.91 N/mm)	191 lbf (849.61 N)	0.67

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Inch

Dimensions in: Inch (change to Metric)

d₁	h	d₂	Length l	s	Spring rate ≈ Hardness 55	Max. load Hardness 55	Max. deflection ≈ Hardness 55

0.75	0.98	1/4 x 20	0.51	0.08	90.96 lbf/in (15.93 N/mm)	22.00 lbf (97.86 N)	0.24
0.98*	1.26	1/4 x 20	0.51	0.08	132 lbf/in (23.11 N/mm)	33.00 lbf (146.79 N)	0.25
1.26*	1.50	5/16 x 18	0.63	0.08	155 lbf/in (27.14 N/mm)	45.00 lbf (200.16 N)	0.29
1.50*	1.77	5/16 x 18	0.63	0.08	374 lbf/in (65.49 N/mm)	146 lbf (649.44 N)	0.39
1.77*	2.01	3/8 x 16	0.63	0.08	284 lbf/in (49.73 N/mm)	168 lbf (747.3 N)	0.59
2.01*	2.24	3/8 x 16	1.10	0.08	285 lbf/in (49.91 N/mm)	191 lbf (849.61 N)	0.67

*Size not available from stock with Shore hardness 70; require minimum order quantity

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Technical Instructions

Buffers and rubber buffers are best at absorbing compressive forces. Tensile, shearing, flexural and torsional loads can be absorbed to a limited extent but negatively impact the service life. The information on load capacity in the standard sheet or technical section contains non-binding guide values. Exceeding these values can also lead to reduced service life or immediate failure of the part.

The examples show how a design can be modified to turn unfavorable load situations into favorable arrangements with compressive load.

The service life of elastomer elements can be decreased by environmental conditions, such as UV radiation, weathering, hydrocarbons and chemicals, as well as by aging. Positioning with appropriate protection will extend the service life.

Construction Examples


Unfavorable						Favorable

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Total (net)

US$1.40

In Stock: 62

In Stock

Quantity

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Please note our quantity discounts (US Dollars).

Min	Max	Price
1	99	US$1.40
100	249	US$1.29
250	499	US$1.17
≥ 500		US$1.05

Prop 65: Not compliant

WARNING:
Cancer and Reproductive Harm - www.P65Warnings.ca.gov

RoHS: Compliant

This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances)).

Weight: 0.022 lbs

If weight is not listed, please contact our Sales Department for additional information regarding weight.
Phone: 800-877-8351