J.W. Winco, Inc. - Vibration Isolation Mounts, Cylindrical Type

Inch Size,
Vibration Isolation Mounts
Cylindrical Type

GN 351.1 / GN 351.2 / GN 351.3

RoHS Compliant

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Specification

Information

Mount body: Natural rubber (NR), vulcanized, 55 durometer (shore hardness +/-5°)
Cover plate: Steel, zinc plated, blue passivated, molded in
Tapped inserts/threaded studs: Steel, zinc plated, blue passivated, molded in

GN 351.1 - with 2 threaded studs
GN 351.2 - with 1 tapped hole and 1 threaded stud
GN 351.3- with 2 tapped holes

Shipping

GN 351.1 / GN 351.2 / GN 351.3 vibration isolation mounts, also known as vibration mounts, anti-vibration mounts, vibration bobbins or rubber bumpers, are suitable for the elastic mounting of machine units such as motors, compressors and pumps.
These rubber mounts are simple and economical construction elements. Their resilience and their broad range of different sizes and dimensions allow these mounts to be used in many applications that require vibration isolation.
Specials, with certain minimum quantities, are available. 40 and 70 druometer natural rubber material available upon request.
For metric versions see GN 351.

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GN 351.1 - With 2 Threaded Studs

Dimensions in:

inches
(millimeters)

Part Number	d1	h	d2 Thread	l Stud Length	s	Spring Rate ~ft.lbs./in.	Max. Load [ft.lbs.]	Max. Travel ~ inches
351.1-9-13-8-55	.38 (10)	.50 (13)	8-32	.50 (13)	.04 (1)	205	20	.10
351.1-14-13-10-55	.56 (14)	.50 (13)	10-32	.38 (10)	.04 (1)	91	13	.15
351.1-16-13-8-55	.63 (16)	.50 (13)	8-32	.50 (13)	.05 (1.2)	440	44	.10
351.1-19-19-1/4-55	.75 (19)	.75 (19)	1/4-20	.50 (13)	.08 (2)	296	58	.20
351.1-25-13-1/4-55	1.00 (25)	.50 (13)	1/4-20	.50 (13)	.08 (2)	1043	154	.15
351.1-25-19-1/4-55	1.00 (25)	.75 (19)	1/4-20	.63 (16)	.08 (2)	684	183	.15
351.1-25-19-5/16-55	1.00 (25)	.75 (19)	5/16-18	.63 (16)	.08 (2)	1220	183	.15
351.1-25-25-1/4-55	1.00 (25)	1.00 (25)	1/4-20	.50 (13)	.08 (2)	670	168	.25
351.1-25-25-5/16-55	1.00 (25)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	616	151	.25
351.1-32-19-1/4-55	1.25 (32)	.75 (19)	1/4-20	.50 (13)	.08 (2)	1886	283	.15
351.1-32-19-5/16-55	1.25 (32)	.75 (19)	5/16-18	.63 (16)	.08 (2)	1425	280	.20
351.1-32-25-5/16-55	1.25 (32)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	1090	273	.25
351.1-35-25-5/16-55	1.38 (35)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	1344	336	.25
351.1-38-19-5/16-55	1.50 (38)	.75 (19)	5/16-18	.63 (16)	.08 (2)	2615	523	.20
351.1-38-25-3/8-55	1.50 (38)	1.00 (25)	3/8-16	.63 (16)	.08 (2)	1200	300	.25
351.1-40-25-3/8-55	1.56 (40)	1.00 (25)	3/8-16	.63 (16)	.08 (2)	2000	500	.25
351.1-40-25-5/16-55	1.56 (40)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	1710	336	.20
351.1-51-19-3/8-55	2.00 (51)	.75 (19)	3/8-16	1.13 (29)	.08 (2)	4093	804	.20
351.1-51-41-3/8-55	2.00 (51)	1.63 (41)	3/8-16	.63 (16)	.08 (2)	1955	576	.30
351.1-62-32-1/2-55	2.44 (62)	1.25 (32)	1/2-13	.88 (22)	.08 (2)	2582	762	.30
351.1-79-57-1/2-55	3.13 (79)	2.25 (57)	1/2-13	1.25 (32)	3 (.12)	13281	2607	.20

GN 351.2 - With 1 Tapped Hole and 1 Threaded Stud

Dimensions in:

inches
(millimeters)

Part Number	d1	h	d2 Thread	l Stud Length	s	t	Spring Rate ~ft.lbs./in.	Max. Load [ft.lbs.]	Max. Travel ~ inches
351.2-16-13-8-55	.63 (16)	.50 (13)	8-32	.50 (13)	.05 (1.2)	.16 (4)	490	73	.10
351.2-25-13-1/4-55	1.00 (25)	.50 (13)	1/4-20	.50 (13)	.08 (2)	.24 (6)	11660	1166	.10
351.2-25-19-1/4-55	1.00 (25)	.75 (19)	1/4-20	.50 (13)	.08 (2)	.24 (6)	1445	217	.15
351.2-25-25-1/4-55	1.00 (25)	1.00 (25)	1/4-20	.50 (13)	.08 (2)	.24 (6)	800	200	.25
351.2-25-25-5/16-55	1.00 (25)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	.31 (8)	800	200	.25
351.2-35-25-5/16-55	1.38 (35)	1.00 (25)	5/16-18	.63 (16)	.08 (2)	.31 (8)	2000	500	.25
351.2-51-41-3/8-55	2.00 (51)	1.63 (41)	3/8-16	.63 (16)	.08 (2)	.39 (10)	187	748	.40
351.2-51-51-3/8-55	2.00 (51)	2.00 (51)	3/8-16	1.13 (29)	.08 (2)	.39 (10)	1364	682	.50
351.2-79-57-1/2-55	3.13 (79)	2.25 (57)	1/2-13	1.25 (32)	3 (.12)	.47 (12)	3357	1880	.56

GN 351.3 - With 2 Tapped Holes

Dimensions in:

inches
(millimeters)

Part Number	d1	h	d2 Thread	s	t	Spring Rate ~ft.lbs./in.	Max. Load [ft.lbs.]	Max. Travel ~ inches
351.3-19-13-8-55	.63 (16)	.50 (13)	8-32	.05 (1.2)	.16 (4)	1100	110	.10
351.3-25-25-5/16-55	1.00 (25)	1.00 (25)	5/16-18	.08 (2)	.31 (8)	1713	257	.15
351.3-38-25-5/16-55	1.50 (38)	1.00 (25)	5/16-18	.08 (2)	.31 (8)	3400	510	.15
351.3-51-41-3/8-55	2.00 (51)	1.63 (41)	3/8-16	.08 (2)	.39 (10)	1866	560	.30