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High Torque, Spring Applied Brakes (HTB) Specifications

Advantages

Highest torque in the smallest space
Cost effective solution for exceptionally high torque in extremely small packages

Operation

Torque from 5 lb. ft. to 6000 lb. ft.
Floating discs for minimal torque transmission in the disengaged model
Spring set/electrically released for stopping, positioning and holding
Available for wet or dry applications

HTB Spring Applied Brake Specifications & Dimensions

Model	Static Torque (lb. ft.)	Locating Ø A	Locating Ø B	W/O Manual Release C	W/ Manual Release D	Bolt Circle ØE	Bolt Circle Thread F
HTB0270	20	2.70	0.0820	2.700	3.150	2.455	(4) # 8-32
HTB0350	40	3.50	1.500	2.750	3.300	3.215	(4) # 10-24
HTB0450	95	4.50	2.215	2.950	3.700	4.188	(4) # 10-24
HTB0600	220	6.00	2.875	3.550	4.350	5.625	(6) # 1/4-20
HTB0800	450	8.00	3.875	4.125	5.120	7.625	(8) # 1/4-20
HTB1000	900	10.00	4.875	4.960	6.160	9.500	(8) # 5/16-18

W/O = Without. W/ = With.

Model	Optional Cover ØG	Set Screw Location H	Set Screw Size I	J	Standard Bore Size*	Keyway
HTB0270	2.875	.313	(2) # 6-32	1.000	7/16 or 1/2	1/8 or 1/16
HTB0350	3.700	.313	(2) # 8-32	1.000	3/4 or 7/8	3/16 or 3/32
HTB0450	4.700	.500	(2) # 10-24	1.000	1 or 1 1/8	1/4 x 1/8
HTB0600	6.300	.375	(2) # 1/4-20	1.300	1 1/2 or 1 5/8	3/8 x 3/16
HTB0800	8.250	.625	(2) # 3/8-24	1.250	2 or 2 1/4	1/2 x 1/4
HTB1000	10.300	.625	(2) # 2/8-24	1.750	2 1/2 or 2 3/4	5/8 x 5/16

*Other bore sizes are available. All dimensions are measured in inches. Standard voltage is 24 or 100 VDC (±10%) Other voltages available.

In addition to our standard High Torque, Spring Applied Brakes (HTB), our engineering department can custom design and manufacture a new component to meet your specific requirements. If you have further questions or would like to discuss your specific needs, please contact us.