Boston 721-5-JRefurbished


Need Help? To replace or repair your 721-5-J contact us today: rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704

Boston 721-5-J In Stock

We have available in stock qty 2 of the 721-5-J original equipment by Boston, in stock for delivery to your location. This original Boston OEM spare is refurbished and in excellent working condition. We may have additional and new units in stock as well. To receive an online quote or obtain additional information simply click here. Qualified York technicians are standing by to assist you.


Support for your Boston 721-5-J

Have a defective unit in need of service or repair? In addition to stocking the Boston 721-5-J spares, we also provide Boston services on the 721-5-J and related equipment. We offer Extended Warranty plans for your Boston 721-5-J as well as Maintenance and Support contracts. For a Boston warranty or support plan to fit your requirements, send an email to rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704


Repair + Rebuild Services for your Boston equipment

We service and repair Boston 721-5-J and related systems and components, including severely damaged and defective units. Our services for the Boston 721-5-J include diagnostic evaluation, troubleshooting, component and board level repair, as well as complete rebuilding of the 721-5-J if necessary. Expedited handling of our evaluations and repairs are included as a standard service for all our clients. All our 721-5-J repairs include a 1 year warranty, covering both parts and labor.

To receive a quote to repair your defective Boston unit(s) simply complete this online form, email rfitzgerald@yorkscientific.com or call Ryan Fitzgerald at (212) 772-6992 ext. 704


Assistance needed with related items Boston 721-5-J?
Some of the related motion controls products we support:
Mannesmann AF08 Falk 78140130
Tsubaki 80SS2 Gast AG801
Bonfiglioli C402 Winsmith BMH2052P31F2A
Tramec BFK50 Kingsbury 78PP276
Stober C202N0250MR163050 Winsmith 935CDSNE


We stock a large inventory of Boston industrial automation systems and parts.
We repair, service and calibrate most Boston models of equipment.
We ship Boston replacement parts worldwide, with expedited shipping for your urgent Boston requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
rfitzgerald@yorkscientific.com
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical Boston Industrial Automation equipment needs.

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Winter 2025 & Q1 Developments in Industrial Automation - expanded product offerings and enhanced services at York Controls!

York Scientific Motion Control + Automation items: Featured for 2025 we have Winsmith Brand 9300CDSF in stock, original and quality replacement parts available for immediate shipment. Spare units by Morse such as A96MN0920 equipment made by Morse have been added to our featured items. As a tip, you can find the entire Morse products line-up in our inventory by simply searching for "Morse" in the search box. Due to increase in client demand we have now also available AT10 made by Breco as well as the popular B060050BY57477 original spares produced by Setco

Servo VFD Drives, Electrical Contactors, and Motor Rewinding and Rebuilding. Extended service capabilities are now online at our facilities to do complete overhauls of industrial electric motors and spindles. Our industry leading repair services to adhere to the OEM's specifications. Complete overhaul rebuilds include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the 7916522XG by Reliance and A96MN0920 spares by Morse are also now also our York Scientific's line-up of service offerings. This also includes the original BKF721B60KB5G Spares made by leading motion controls manufacturer Boston.

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York Controls features all makes and models of industrial automation systems & parts.

York Controls repairs, services and calibrates every brand and model of equipment.

York Controls ships worldwide, with expedited shipping available for all your urgent requirements.

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