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Servo drives require low-backlash holding brakes with short operating times. With its temperature-resistant friction lining, the BFK417 is ideally equipped for emergency stops even at high speeds. This makes it a cost-effective alternative to the permanent magnet brake.

Lenze INTORQ BFK417 Spring-Applied Brakes for Servo Motors Distributors


The INTORQ company, with headquarters in Aerzen, started developing spring-applied brakes for servo motors at an early stage with its BFK418 range. Based on the PM brake, the BFK418 was designed for mounting on the A-bearing side of the motor. Since then, the servo motor technology has been continuously refined. There has been progress especially in the friction linings and in the increased power of the magnetic circles.

So a spring-applied brake that has been designed as a pure holding brake can achieve the braking torque of a PM brake that is the same size. In Asia, the spring-applied brake in a servo motor has long been established as the standard solution. In Europe, the change-over has already started, and not only for reasons of cost.

If you are looking for INTORQ BFK417 Brakes, please call us at (800) 894-0412 or email us at we will do our best to help you find the INTORQ BFK417-03 spring-operated brake that you are looking for at the most competitive prices possible. If you are searching for INTORQ BFK 417-06 brakes technical information (data-sheets) please use the datasheets or product selection guide page links.


  • Friction linings that have been tried and tested in applications, for use with high static torques - also suitable for high load requirements specific to individual applications
  • 6 sizes with brake torques from 1.5 to 100 Nm
  • Lower moments of inertia compared with permanent magnet brakes
  • Temperature-resistant up to 120˚C (ambient temperature)

The new price- and performance optimised servo brake from INTORQ is called BFK417. Like its predecessor, it is designed for mounting on the A-bearing side of the motor, and it can be provided as a holding brake or as a working brake, depending on the application.


  • Adaptable to different project-specific bolt pitch circles and shaft diameters
  • Can be mounted on the A-bearing side and the B-bearing side
  • Fast and easy brake assembly thanks to threaded bore holes in the base of the stator
  • Backlash when new < 0.5°
  • Designed for 5,000,000 braking operations
  • Large friction radius and large friction surface
  • Completely assembled with flange as counterbraking surface
  • Large friction radius and large friction surface

Whether we have INTORQ BFK417-08 brakes in stock in Boise, Idaho or need to ship direct from Lenze to any USA cities; ACTECHDRIVES.COM can get INTORQ BFK 417-10 brake to you fast and save you some money. Our industrial factory automation supplies distributors warehouse stocks some Lenze AC Tech products enabling us to further assist you in finding the correct INTORQ BFK 417-12 brakes in the USA, Canada, or Mexico. It will be very helpful if you have the INTORQ BFK417-14 brake part numbers ready, then our sales representatives can provide you with a pricing and availability quote for INTORQ BFK 417-03 brakes that you are looking for in seconds. If you do not have the part numbers for INTORQ BFK417-06 spring operated brake, our application engineers will be able to help you figure out the part numbers and get the price quote to you as soon as possible.

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