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Catalog Standard Clutch Mechanisms with Adapters: Heavy Duty

Clutch Mechanisms with Adapters: Heavy Duty Design Features

Torque Ratings to 21,200 pound inches

Shaft sizes to 3-1/2 inches

Clutch Mechanisms with Adapters: Heavy Duty Specifications
Product No.	Torque (lb-in) @ 80 PSI	Max. Bore w/ Square Key (inches)
M5R2K-STH	3320	1-9/16
M6R2K-STH	5397	2
M8R2K-STH	9212	2-1/2
MAR2K-STH	14755	2-3/4
MBR2K-STH	21204	3-1/2

Clutch Mechanisms with Adapters: Heavy Duty Dimensions (inches)
Product No.	A	D	F	G	H	J	L	M	N	P (NPT)	V	X	Y	Z
M5R2K-STH	0.56	7.00	5.13	4.500	3.562	6.50	5.79	4.83	0.97	1/8	1.00	(6) 5/16-18	(1) 1/4-20	0.61
M6R2K-STH	0.66	8.07	6.00	5.375	4.375	7.63	6.54	5.39	1.16	1/4	1.00	(6) 3/8-16	(1) 1/4-20	0.71
M8R2K-STH	0.78	10.00	7.50	6.750	5.531	8.97	7.95	6.56	1.38	1/4	1.50	(6) 7/16-14	(1) 1/4-20	0.96
MAR2K-STH	0.78	12.00	8.13	7.375	5.937	10.13	8.85	7.38	1.48	1/4	1.50	(8) 1/2-13	(1) 1/4-20	0.90
MBR2K-STH	0.78	13.88	9.41	8.562	7.125	11.53	9.73	8.09	1.63	1/4	1.50	(8) 9/16-12	(1) 1/4-20	1.13
Clutch Mechanisms with Adapters: Heavy Duty Metric Bore Sizes Available

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