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Worm Gear Speed Reducers


Item# HDRF133-5/1-L-56C

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $190.16
10-24 $180.65
25-49 $176.85
50-99 $169.24
100-199 $165.44
200+ $161.64

In stock

Lead Time (If not in stock): 2 weeks
Worm Gear Speed Reducers HDRF133-5/1-L-56C HDRF133-5/1-L-56C
  • 8 Ratios Available from 5:1 to 60:1
  • 7 Gear Box Sizes from 1.33 to 3.25"
  • Universally Interchangeable Design for OEM Replacement
  • Double Bearings Used on Both Shaft Ends
  • Anti-Rust Primer Applied Inside and Outside Gearbox
  • Shaft Sleeve Protects All Shafts
  • S45C Carbon Steel Shafts
  • Flange Mount Models for 56C and 145TC Motors

HDRF133-5/1-L-56C Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Output Type
Input Type
Box Size
Input Speed Ratio

The HDR Series worm gear reducers are used in low to moderate horsepower applications to reduce speeds and increase torque. Worm gear reducers are available in direct or indirect drive, direct drive models are 56C or 145TC flange mount with either right, left or dual output shafts or a hollow bore output. The indirect drive models are shaft input-shaft output boxes for use with sprocket or pulley drive systems. They provide an effective low cost solution to speed reduction and increased torque, with higher tolerances for shock loading than helical gear reducers.

In order to select a gearbox speed reducer, you will need to determine the required torque and service factor for the application. Click on 'Specs' above for a table that will assist in determining the service factor. For service factors above 1.0, multiply the required torque by the service factor.

Use the Part Number Builder (below the ordering table) to find additional models
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Rated 5 out of 5 by from you gotta buy this reducer I purchased the reducer because of the price, but the unit is comparable to any of the much higher priced ones. I am very happy with this product.
Date published: 2016-02-15
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What is that output shaft diameter of this item?

Asked by: Evan
Here is a link for the dimensional drawing for this item: https://www.worldwideelectric.net/product-files/pdfs/HdRS133--L.pdf
Answered by: Tom R
Date published: 2020-04-14
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