Worm Gear Speed Reducers

HDR Series

Worm Gear Speed Reducers & mounting bases

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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

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Description

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

Place Order(Specify Model Number)

Part Number/ Desc.

Qty

Description

Gearbox Models with Flange Input - Shaft Output for 56C Frame Motors

HDRF133-20/1-R-56C

Consult Sales

Availability:

20:1 Gear Speed Reducer with 1.33" box size, right-hand shaft output

HDRF175-10/1-R-56C

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Availability:

10:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF175-15/1-R-56C

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Availability:

15:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF175-20/1-R-56C

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Availability:

20:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF175-40/1-R-56C

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Availability:

40:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF175-50/1-R-56C

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Availability:

50:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF175-60/1-R-56C

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Availability:

60:1 Gear Speed Reducer with 1.75" box size, right-hand shaft output

HDRF206-30/1-R-56C

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Availability:

30:1 Gear Speed Reducer with 2.06" box size, right-hand shaft output

HDRF206-30/1-DE-56C

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Availability:

30:1 Gear Speed Reducer with 2.06" box size, dual shaft output

HDRF206-40/1-R-56C

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Availability:

40:1 Gear Speed Reducer with 2.06" box size, right-hand shaft output

HDRF206-50/1-R-56C

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Availability:

50:1 Gear Speed Reducer with 2.06" box size, right-hand shaft output

HDRF206-60/1-R-56C

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Availability:

60:1 Gear Speed Reducer with 2.06" box size, right-hand shaft output

HDRF206-60/1-DE-56C

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Availability:

60:1 Gear Speed Reducer with 2.06" box size, dual shaft output

HDRF237-40/1-R-56C

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Availability:

40:1 Gear Speed Reducer with 2.37" box size, right-hand shaft output

HDRF237-50/1-R-56C

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Availability:

50:1 Gear Speed Reducer with 2.37" box size, right-hand shaft output

HDRF237-60/1-R-56C

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Availability:

60:1 Gear Speed Reducer with 2.37" box size, right-hand shaft output

HDRF262-40/1-R-56C

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Availability:

40:1 Gear Speed Reducer with 2.62" box size, right-hand shaft output

HDRF262-50/1-R-56C

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Availability:

50:1 Gear Speed Reducer with 2.62" box size, right-hand shaft output

HDRF262-60/1-R-56C

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Availability:

60:1 Gear Speed Reducer with 2.62" box size, right-hand shaft output

Gearbox Models with Flange Input - Hollow Bore Output for 56C Frame Motors

HDRF175-10/1-H-56C

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Availability:

10:1 Gear Speed Reducer with 1.75" box size, hollow bore output

HDRF175-20/1-H-56C

Consult Sales

Availability:

20:1 Gear Speed Reducer with 1.75" box size, hollow bore output

HDRF237-60/1-H-56C

Consult Sales

Availability:

60:1 Gear Speed Reducer with 2.37" box size, hollow bore output

Gearbox Models with Shaft Input - Shaft Output

HDRS133-10/1-R

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Availability:

10:1 Gear Speed Reducer with 1.33" box size, right-hand shaft output

Mounting Bases

HDRBASE133

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Availability:

Mounting Base for size 133 gearbox

HDRBASE154

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Availability:

Mounting Base for size 154 gearbox

HDRBASE175

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Availability:

Mounting Base for size 175 gearbox

HDRBASE206

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Availability:

Mounting Base for size 206 gearbox

HDRBASE237

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Availability:

Mounting Base for size 237 gearbox

HDRBASE262

£59.65

Availability: 2 weeks

Mounting Base for size 262 gearbox

HDRBASE325

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Availability:

Mounting Base for size 325 gearbox

† All amounts shown in EUR, GBP, or USD
Note: Mounting base comes complete with bolts.

Part Number Builder

Build Your Part Number Below

	(1)	(2)	(3)	(4)	(5)
HDR

Option Descriptions:

(1) Input Type select from:
F for Flange Input
S for Shaft Input

(2) Box Size - Distance From Center Line of Input Shaft to Center Line of Output Shaft select from:
133 for 1.33in
154 for 1.54in
175 for 1.75in
206 for 2.06in
237 for 2.37in
262 for 2.62in
325 for 3.25in

(3) Ratio select from:
-5/1 for 5 to 1
-10/1 for 10 to 1
-15/1 for 15 to 1
-20/1 for 20 to 1
-30/1 for 30 to 1
-40/1 for 40 to 1
-50/1 for 50 to 1
-60/1 for 60 to 1

(4) Output Type select from:
-R for Right-Hand Shaft
-L for Left-Hand Shaft
-DE for Dual Shaft
-H for Hollow Bore

(5) Input Flange Type select from:
Nothing(leave field blank) for Shaft Input
-56C for 56C Flange
-145TC for 145TC Flange

Note: All combinations may not be valid, check spec sheet for valid part numbers.

Product Manuals:

Download HDR Series - Installation-Maintainance Manual

Download HDR Series - Dimensional Drawings Specs