May 13, 2008

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Catalog Standard Stop & Start the Shaft Clutch-Brakes: Ball Bearing Pilot

Stop & Start the Shaft Clutch-Brakes: Ball Bearing Pilot Design Features

Air set clutch torque ratings to 2,700 pound inches

Spring set brake torque ratings to 260 pound inches

Shaft sizes to 2 inches

Stop & Start the Shaft Clutch-Brakes: Ball Bearing Pilot Specifications
Product No.	ClutchTorque (lb-in) @ 80 PSI	Spring Set Brake Torque (lb-in	Brake Release Pressure (PSI)	Maximum Bore with Square Key (inches)
X3A2H-STH	275	19	15-20	5/8
X4A2H-STH	712	62	20-25	1-1/4
X5A2H-STH	1482	163	20-25	1-7/16
X6A2G-STH	2706	256	20-25	2

Stop & Start the Shaft Clutch-Brakes: Ball Bearing Pilot Dimensions (inches)
Product No.	A	C	D	E	F	G	H	L	P (NPT)	V	X	Y	Z
X3A2H-STH	0.30	0.76	3.52	1.21	3.09	2.734	2.375	4.34	1/16	0.63	(3) 10-24	(2) 5/16-18	0.44
X4A2H-STH	0.32	0.78	4.50	1.23	4.09	3.672	3.250	5.86	1/8	0.75	(6) 1/4-20	(2) 3/8-16	1.11
X5A2H-STH	0.47	1.05	5.69	1.61	4.47	3.953	3.437	6.28	1/8	0.75	(6) 5/16-18	(2) 7/16-14	0.69
X6A2G-STH	0.53	1.18	7.34	1.84	5.97	5.359	4.750	7.76	1/4	1.25	(6) 3/8-16	(2) 1/2-13	0.83
View minimum sprocket size information Stop & Start the Shaft Clutch-Brakes: Ball Bearing Pilot Metric Bore Sizes Available

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