Synchro-Power Cast Belt Specifications
		XL	L	H	T2.5	T5	T5 DL	AT5	T10	T10 DL	AT10
Pitch (Imperial and metric)		.200"	.375"	.500"	2.5mm	5mm	5mm	5mm	10mm	10mm	10mm
Ultimate Tensile Strength per Inch or 25mm Belt Width	lbf/in	920	1925	2203	600	920	920	1884	2157	2157	3216
	N/25mm	4092	8562	9799	2670	4092	4092	8380	9594	9594	14305
Max. Allowable Belt Tension per Inch or 25mm Belt Width	lbf/in	232	473	697	91	232	232	448	558	558	1017
	N/25mm	1032	2104	3102	404	1032	1032	1993	2482	2482	4523
Allowable Effective Tension for the Belt Teeth (15 and More Teeth in Mesh)	lbf/in	180	360	441	61	200	200	290	380	380	580
	N/25mm	800	1600	1960	270	890	890	1290	1690	1690	2580
Specific Weight	lbf/ft/in	0.036	0.059	0.071	0.024	0.035	0.044	0.058	0.075	0.101	0.111
	kgf/m/cm	0.021	0.035	0.042	0.014	0.021	0.026	0.034	0.044	0.059	0.065
Belt Specific Stiffness	lbf/in	58004	118263	174338	23075	58932	58932	113782	141761	141761	258298
	N/mm	10158	20710	30530	4041	10320	10320	19925	24825	24825	45233
Min. No. of Pulley Teeth		10	10	14	12	10	10	15	14	14	15
Min. Pitch Diameter	mm	.64"	1.19"	2.23"	10	16	16	24	45	45	48
Min. Diameter of Tensioning Idler Running on Back of Belt	in	1.125	2.375	3.125	0.787	1.125	0.625	2.375	3.125	1.875	4.750
	mm	30	60	80	20	30	16	60	80	45	120
Service Temperature Range		-5 ° C to 70 ° C (23 ° F to 158 ° F)
Hardness		90 Shore A
Standard Color		Natural
Synchro-Power Width Tolerances
Slit Belts	mm	±.02"	±0.3	±0.3	±0.3	±0.5	±0.5	±0.5	±0.5	±0.5	±0.75
Flex Belt Specifications
		XL	L	H	XH	T5	AT5	T10	AT10	ATL10	T20	AT20	ATL20	HTD5	HTD8	HTD14
Pitch (Imperial and metric)		.200"	.375"	.500"	.875"	5 mm	5 mm	10 mm	10 mm	10 mm	20 mm	20 mm	20 mm	5 mm	8 mm	14 mm
Ultimate Tensile Strength per Inch or 25mm Belt Width	lbf/in	759	1474	1605	3204	759	1602	1605	3204	5445	3170	5445	7306	1602	3204	4667
	N/25mm	3375	6555	7140	14250	3375	7125	7140	14250	24220	14102	24220	32500	7125	14250	20760
Max. Allowable Belt Tension  per Inch or 25mm Belt Width	lbf/in	192	371	429	854	189	396	429	841	1317	832	1317	1599	396	841	1159
	N/25mm	853	1652	1909	3801	840	1761	1909	3741	5860	3702	5860	7114	1761	3741	5156
Allowable Effective Tension for the Belt Teeth (15 and More Teeth in Mesh)	lbf/in	180	360	441	879	200	290	380	580	580	710	1221	1221	229	420	771
	N/25mm	800	1600	1960	3910	890	1290	1690	2580	2580	3160	5430	5430	1020	1870	3430
Specific Belt Weight	lbf/ft/in	0.036	0.059	0.066	0.180	0.037	0.055	0.074	0.096	0.114	0.125	0.169	0.185	0.070	0.101	0.182
	kgf/m/cm	0.021	0.035	0.039	0.105	0.022	0.032	0.043	0.056	0.067	0.073	0.099	0.108	0.041	0.059	0.107
Belt Specific Stiffness	lbf/in	47950	92800	109000	213600	47950	100500	109000	213600	334600	213600	334600	440000	100532	213600	294400
	N/mm	8400	16255	19085	37410	8400	17605	19085	37410	58600	37410	58600	77050	17605	37410	51560
Min. Number of Pulley Teeth		10	10	14	18	10	15	14	15	25	15	18	30	14	20	28
Min. Pitch Diameter	inch or mm	.64"	1.19"	2.23"	5.01"	16mm	24mm	45mm	48mm	80mm	96mm	115mm	191mm	22mm	51mm	125mm
Min. Diameter of Tensioning Idler Running on Back of Belt	in	1.125	2.375	3.125	5.875	1.125	2.375	3.125	4.750	5.875	4.750	7.125	9.875	2.375	4.750	7.875
	mm	30	60	80	150	30	60	80	120	150	120	180	250	60	120	200
Service Temperature Range		-5° C to 70° C (23° F to 158° F)
Hardness		92 Shore A
Standard Color		White
Flex Belts and Tolerances
		XL	L	H	XH	T5	AT5	T10	AT10	ATL10	T20	AT20	ATL20	HTD5	HTD8	HTD14
Minimum Length without NT*		59.20"	59.25"	59.50"	59.50"	1.50 m	1.50 m	1.50 m	1.50 m	1.50 m	1.50 m	1.50 m	1.50 m	1.55 m	1.55 m	1.55 m
Minimum Length with NT*		75.00"	75.00"	75.00"	75.25"	1.90 m	1.90 m	1.90 m	1.90 m	1.90 m	1.90 m	1.90 m	1.90 m	N/A	1.90 m	N/A
Maximum Length		779.60"	779.63"	780.00"	779.63"	19.80 m	19.80 m	19.80 m	19.80 m	19.80 m	19.80 m	19.80 m	19.80 m	14.90 m	19.80 m	23.49 m
Minimum Width		.25"	.25"	.50"	1.0"	10 mm	10 mm	16 mm	25 mm	25 mm	32 mm	32 mm	32 mm	25 mm	25 mm	25 mm
Maximum Width		6.0"	6.0"	6.0"	6.0"	150 mm	150 mm	150 mm	150 mm	150 mm	150 mm	150 mm	150 mm	100 mm	150 mm	100 mm
Flex Width Tolerances
Up to 2" (Up to 50 mm)		±0.020"	±0.020"	±0.020"	±0.040"	±0.5 mm	±0.5 mm	±0.5 mm	±0.75 mm	±1.0 mm	±1.0 mm	±1.0 mm	±1.5 mm	±0.5 mm	±0.75 mm	±1.0 mm
>2" - 6" (>50 - 150 mm)		±0.030"	±0.030"	±0.030"	±0.040"	±0.75 mm	±0.75 mm	±0.75 mm	±1.0 mm	±1.5 mm	±1.0 mm	±1.5 mm	±1.5 mm	±0.75 mm	±1.0 mm	±1.5 mm
* NT = nylon on tooth side
The specifications listed are based on Gates Mectrol's experience. However, our specifications and data do NOTcover all possible belt drive conditions. It is the responsibility of the belt drivesystem designer to ensure Gates Mectrol's belts are appropriate for a given system and application. The provided data is representative of our in-house experience and does not necessarilymatch product performance in industrial use. Gates Mectrol cannot assume any liability concerning the suitability and process ability of our products. We also cannot assume liability forprocess results, damages or consequential damages associated with the use of our products. Note, ultimate tensile strengths are listed for references purposes only. Ultimate tensile strengthvalues are a theoretical calculation based on average cord strength and may not represent actual tensile test results.