AT Anti-Vibration Mounts

Tubular flanged mounts designed for effective vibration isolation of engines, compressors and industrial machinery operating at medium and high frequencies.

The AMC-MECANOCAUCHO® AT Mounts are specifically designed to provide effective vibration isolation at medium and high frequencies.

Their design consists of an elastomeric element bonded between two concentric tubular metal parts. The inner metal part consists of a cylindrical tube, while the outer metal part incorporates an integrated flange for direct attachment of the mount to the supporting structure.

This configuration provides a robust and stable elastic connection, reducing the transmission of vibrations while maintaining good control of equipment movement.

AT Mounts are particularly suitable for engines, compressors, pumps, auxiliary units and industrial machinery requiring a compact, robust and easy-to-integrate vibration isolation system.

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 000	25	11	3	6,5	6,4	20	4	19	3,2	-	-	-	-	8	3	132171	6	45 Sh
																132172	8	60 Sh
																132173	10	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 00	36	28	12	11,5	8,2	26	12	26	5,2	-	-	-	-	39	3	132101	20	45 Sh
																132102	30	60 Sh
																132103	40	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 02	48	51	24	18	12,1	37,6	8	-	-	-	-	-	-	144	1	132104	65	45 Sh
																132105	85	60 Sh
																132106	110	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 10	57	46,5	18	19	12,2	49	12,5	69	8,2	73	-	-	-	250	4	132175	70	45 Sh
																132176	100	60 Sh
																132177	120	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 11	60	60	30,5	19	12,2	49	11	69	8,2	73	-	-	-	250	4	132107	85	45 Sh
																132108	120	60 Sh
																132109	150	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 20	71	55	27,5	19	18,3	55,7	10	-	-	-	-	-	-	344	1	132110	100	45 Sh
																132111	150	60 Sh
																132112	180	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 21 round	70	70	38,5	20,7	18,3	55,7	10	80	8,5	86	-	-	-	437	1	132113	135	45 Sh
																132114	190	60 Sh
																132115	250	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 21 lugs	68	70	38,5	20,5	18	55,7	10	80	8,5	86	-	-	-	437	4	132116	135	45 Sh
																132117	190	60 Sh
																132118	250	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 31 lugs	90	95	47	28	20,2	65	16	95	8,5	107	-	-	-	780	4	132136	250	45 Sh
																132137	350	60 Sh
																132138	420	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 40 round	100	90	42	28	22,2	74	18	100	8,5	112	-	-	-	789	1	132139	225	45 Sh
																132140	320	60 Sh
																132141	380	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 40 lugs	100	90	42	28	22,2	74	18	100	8,5	112	3	96.9	102.9	895	4	132142	225	45 Sh
																132143	320	60 Sh
																132144	380	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 41 round	100	110	49	28	22,2	74	18	100	8,5	112	-	-	-	895	1	132145	250	45 Sh
																132146	360	60 Sh
																132147	480	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 41 lugs	100	110	48	28,5	22	74	18	100	8	112	-	-	-	900	4	132148	250	45 Sh
																132149	360	60 Sh
																132161	480	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 70 lower	163,5	97	36	43,5	60,2	118	22	145	10,5	-	-	-	-	3124	2	132162	450	45 Sh
																132163	600	60 Sh
																132164	800	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 70	163,5	140	66	46	60,2	118	22	145	10,5	-	-	-	-	3124	2	132165	700	45 Sh
																132166	900	60 Sh
																132167	1100	75 Sh

Type	A(mm)	B(mm)	C(mm)	D(mm)	E(mm)	F(mm)	G(mm)	H(mm)	I(mm)	J(mm)	K(mm)	L(mm)	M	Weight(gr)	Fig.	Code	Max. Load(kg)	Shore
AT 71	163,5	170	96	46	60,2	118	22	145	10,5	-	-	-	-	3790	2	132168	850	45 Sh
																132169	1100	60 Sh
																132170	1400	75 Sh

Technical characteristics

Type AT mounts have a radial to axial stiffness ratio of 4 : 1 thus providing good horizontal stability. They are manufactured in three rubber hardnesses to facilitate the selection of the most suitable mount , Soft: A 45, Medium: B 60 and Hard: C75.

Operation and Assembly

The AT type design uses the rubber in shear mode and ,to ensure optimum operation and life expectancy , it is recommended that a suitable washer design is used at each end to provide a progressive stiffness effect under load for the top section and rebound control in the case of overload conditions. When used with top and bottom washers as recommended the installations are then “Fail Safe” when bolted to the suspended equipment.

Elastic properties

Advantages

01

Mount offering high stability

Suspensions built with this mount barely move, thanks to a geometry designed to control the movement of the suspended element.

02

High protection against weathering and chemical contamination

The bell housing protects the rubber from ozone and UV radiation, while also preventing contact with diesel, oils or other chemicals that could damage it.

03

High robustness in dynamic applications for improved durability

These mounts offer enhanced robustness and are designed to withstand extreme load peaks. They are especially recommended where good durability is required in demanding applications.

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Technical Data Sheet

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AT Anti-Vibration Mounts

Tubular flanged mounts designed for effective vibration isolation of engines, compressors and industrial machinery operating at medium and high frequencies.

Technical characteristics