Boston Gear HF721-20-B5-H-P16
Free Shipping
1 Year Warranty
A+ Rated On The BBB
10% Off First Order
Based In The USA
Description
Our standard 700 Series - the heart of Boston Gear's speed reducer product line - has been serving many industries reliably for over 40 years. Its proven modular design has set the industry standard for performance and is the most imitated product in today's worm gear speed reducer market. But why settle for a knock-off when you can have the original - from Boston Gear.HF721 S/R Red. 20:1 Ratio, No Base, Hollow Assy
Boston Gear HF721-20-B5-H-P16 is now available from Williams Automation.
If you need a specific firmware version or series for this item, please call or email us with your request. We can also provide specifications and/or a data sheet for this item upon request. Please call or email us if you need one.
We offer Overnight shipping for most items listed on our website. Please get in touch with us to confirm whether the product can ship overnight on the day of your order. Cutoff times are typically 2-3 PM EST. Lead times can range from 1 to 4 business days.
Call (803) 761-7027 if you have any questions about availability, or email us at sales@williamsautomation.com.
Specifications
- AGMA Service Class
- II
- Base/Mounting Attachment
- No Base
- Center Distance Code
- 721
- Center Distance [Imperial]
- 2.06 in
- Fan Cooled
- No
- Flange
- Yes
- Input Motor HP
- 1 HP at AGMA Service Class II
- Input Power Range [Imperial]
- 1.01 - 1.50
- Input Power Range [Metric]
- 0.820 - 1.192
- Input Power Rating [Imperial]
- 1.40 HP
- Input Power Rating [Metric]
- 1.044 kW
- Input Style
- F Standard Quill Flange
- Material
- Cast Iron, Standard Paint
- Motor Frame Size
- B5 - 56C
- Output Bore/Shaft Diameter [Imperial]
- 1 in
- Output Shaft
- Hollow
- Output Shaft Projection
- Hollow Output
- Output Speed
- 87.5 RPM
- Output Torque Rating [Imperial]
- 892 lb-in
- Output Torque Rating Range [Imperial]
- 750 - 999
- Output Torque Rating Range [Metric]
- 85 - 109
- Pre-Lubricated
- No
- Rated Efficiency
- 0.88
- Ratio
- 20:1
- Ratio and Output Speed
- 20:1 | 87.5 RPM
- Ratio and Output Speed Range
- 11:1 thru 20:1 | 175 RPM thru 87 RPM
- Recommended Lubrication
- Klubersynth UH1 6-460
- Reduction
- Single
- Reduction Type
- Single Reduction Right Angle
- Style
- Right Angle
Reviews
What our customers say
BBB 4.7 
Rating they have quick great service and quick shipping!! would recommend doing business over and over!!
January 7 on 
Great price and speedy delivery. I am certain, based on my first statement that if needed, customer support will be excellent
December 31 on
Great customer service, fast shipping. Nice to deal with a company that shows they care about their customers.
December 5 on
I got the part and it was exactly what i needed to get my dust collector up and running again! It was also at very reasonable price. Thanks!
December 4 on
Another great purchase from Williams Automation. You will have peace of mind knowing your getting authentic parts from Williams Automation. Very easy to work with and great customer service. Plus you get at a competitive price and not three times what it should be.
November 6 on
Exceptional customer service! They had the elusive part I required readily available and responded promptly to all my emails.
November 2 on
Great customer service. Had the hard to find parts I needed in stock. All emails answered promptly.
October 9 on
Had what I needed in stock, shipped fast and arrived within the time frame indicated. It was packaged securely.
August 28 on
Perfect purchase! The whole process was great, including the packaging and shipping. Finally a company who cares!
August 13 on
Great service and Best prices ! Very organized company and helpful too. Will definitely buy again
August 10 on