Series selection matrix

ES-HG-S09 High-Torque Hollow Shaft Gear Unit

Choose a frame size first, then review ratio and interface availability for this collection.

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Shared platform specifications

Shared harmonic gearbox platform data

These values describe the public series platform. Select the technical variant, frame size and ratio before opening the exact size-level product page.

Product form: unit
Mechanical form: hollow shaft
Performance class: high torque
Technical variants: High-Torque Hollow Shaft Gear Unit
Frame sizes: Size 14 / 17 / 20 / 25 / 32 / 40 / 45 / 50 / 58
Ratio coverage: 50, 80, 100, 120, 160:1
Structured configurations: 40 structured / 0 under review
Shared average input speed: 3500 rpm
Shared backlash: ≤20 arc-sec

Selection ranges

Rated torque: 7 Nm - 688 Nm
Start/Stop peak torque: 23 Nm - 1404 Nm
Instant max torque: 46 Nm - 2678 Nm
Max input speed: 8500 rpm - 3500 rpm
Average input speed: 3500 rpm
Backlash: ≤20 arc-sec
Weight: 0.7 kg - 14.5 kg
Design life: 10000 h - 15000 h

Configuration Guide

How to choose within this collection

Step 1: Choose technical variant

Type I and Type II stay on separate series paths where the integration interface differs.

Step 2: Choose frame size

Frame size narrows the size-level product family. Larger sizes do not always carry the same ratio set as smaller sizes.

Step 3: Choose ratio

Ratio options filter the public SKU workspace and update the known torque, speed, backlash and weight context.

Step 4: Open exact size page

The size page carries the lowest public product context for variant selection, controlled files and RFQ review.

SKU Selection Workspace

Filter by frame size, technical variant, and ratio

Use the data-backed filters to reduce the matrix to matching public SKUs. Each row links to one size-level product page for controlled file and RFQ review.

40 matching products

Frame size Technical variant Ratio

Public SKU	Frame size	Ratio	Technical variant	Rated torque	Start/Stop peak	Instant max	Max input speed	Backlash	Weight	Status	Action
ES-HG-S09-F14-R50	Size 14	50:1	High-Torque Hollow Shaft Gear Unit	7 Nm	23 Nm	46 Nm	8500 rpm	≤20 arc-sec	0.7 kg	Structured	View Product
ES-HG-S09-F14-R80	Size 14	80:1	High-Torque Hollow Shaft Gear Unit	10 Nm	30 Nm	61 Nm	8500 rpm	≤20 arc-sec	0.7 kg	Structured	View Product
ES-HG-S09-F14-R100	Size 14	100:1	High-Torque Hollow Shaft Gear Unit	10 Nm	36 Nm	70 Nm	8500 rpm	≤20 arc-sec	0.7 kg	Structured	View Product
ES-HG-S09-F14-R120	Size 14	120:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F17-R50	Size 17	50:1	High-Torque Hollow Shaft Gear Unit	21 Nm	44 Nm	91 Nm	7300 rpm	≤20 arc-sec	0.99 kg	Structured	View Product
ES-HG-S09-F17-R80	Size 17	80:1	High-Torque Hollow Shaft Gear Unit	29 Nm	56 Nm	113 Nm	7300 rpm	≤20 arc-sec	0.99 kg	Structured	View Product
ES-HG-S09-F17-R100	Size 17	100:1	High-Torque Hollow Shaft Gear Unit	31 Nm	70 Nm	143 Nm	7300 rpm	≤20 arc-sec	0.99 kg	Structured	View Product
ES-HG-S09-F17-R120	Size 17	120:1	High-Torque Hollow Shaft Gear Unit	31 Nm	70 Nm	112 Nm	7300 rpm	≤20 arc-sec	0.99 kg	Structured	View Product
ES-HG-S09-F20-R50	Size 20	50:1	High-Torque Hollow Shaft Gear Unit	33 Nm	73 Nm	127 Nm	6500 rpm	≤20 arc-sec	1.32 kg	Structured	View Product
ES-HG-S09-F20-R80	Size 20	80:1	High-Torque Hollow Shaft Gear Unit	44 Nm	96 Nm	165 Nm	6500 rpm	≤20 arc-sec	1.32 kg	Structured	View Product
ES-HG-S09-F20-R100	Size 20	100:1	High-Torque Hollow Shaft Gear Unit	52 Nm	107 Nm	191 Nm	6500 rpm	≤20 arc-sec	1.32 kg	Structured	View Product
ES-HG-S09-F20-R120	Size 20	120:1	High-Torque Hollow Shaft Gear Unit	52 Nm	113 Nm	191 Nm	6500 rpm	≤20 arc-sec	1.32 kg	Structured	View Product
ES-HG-S09-F20-R160	Size 20	160:1	High-Torque Hollow Shaft Gear Unit	52 Nm	120 Nm	191 Nm	6500 rpm	≤20 arc-sec	1.32 kg	Structured	View Product
ES-HG-S09-F25-R50	Size 25	50:1	High-Torque Hollow Shaft Gear Unit	51 Nm	127 Nm	242 Nm	5600 rpm	≤20 arc-sec	2.02 kg	Structured	View Product
ES-HG-S09-F25-R80	Size 25	80:1	High-Torque Hollow Shaft Gear Unit	82 Nm	178 Nm	332 Nm	5600 rpm	≤20 arc-sec	2.02 kg	Structured	View Product
ES-HG-S09-F25-R100	Size 25	100:1	High-Torque Hollow Shaft Gear Unit	87 Nm	204 Nm	369 Nm	5600 rpm	≤20 arc-sec	2.02 kg	Structured	View Product
ES-HG-S09-F25-R120	Size 25	120:1	High-Torque Hollow Shaft Gear Unit	87 Nm	217 Nm	395 Nm	5600 rpm	≤20 arc-sec	2.02 kg	Structured	View Product
ES-HG-S09-F25-R160	Size 25	160:1	High-Torque Hollow Shaft Gear Unit	87 Nm	229 Nm	408 Nm	5600 rpm	≤20 arc-sec	2.02 kg	Structured	View Product
ES-HG-S09-F32-R50	Size 32	50:1	High-Torque Hollow Shaft Gear Unit	99 Nm	281 Nm	497 Nm	4800 rpm	≤20 arc-sec	4.2 kg	Structured	View Product
ES-HG-S09-F32-R80	Size 32	80:1	High-Torque Hollow Shaft Gear Unit	153 Nm	395 Nm	738 Nm	4800 rpm	≤20 arc-sec	4.2 kg	Structured	View Product
ES-HG-S09-F32-R100	Size 32	100:1	High-Torque Hollow Shaft Gear Unit	178 Nm	433 Nm	841 Nm	4800 rpm	≤20 arc-sec	4.2 kg	Structured	View Product
ES-HG-S09-F32-R120	Size 32	120:1	High-Torque Hollow Shaft Gear Unit	178 Nm	459 Nm	892 Nm	4800 rpm	≤20 arc-sec	4.2 kg	Structured	View Product
ES-HG-S09-F32-R160	Size 32	160:1	High-Torque Hollow Shaft Gear Unit	178 Nm	484 Nm	892 Nm	4800 rpm	≤20 arc-sec	4.2 kg	Structured	View Product
ES-HG-S09-F40-R50	Size 40	50:1	High-Torque Hollow Shaft Gear Unit	178 Nm	523 Nm	892 Nm	4000 rpm	≤20 arc-sec	7.2 kg	Structured	View Product
ES-HG-S09-F40-R80	Size 40	80:1	High-Torque Hollow Shaft Gear Unit	268 Nm	675 Nm	1270 Nm	4000 rpm	≤20 arc-sec	7.2 kg	Structured	View Product
ES-HG-S09-F40-R100	Size 40	100:1	High-Torque Hollow Shaft Gear Unit	345 Nm	738 Nm	1400 Nm	4000 rpm	≤20 arc-sec	7.2 kg	Structured	View Product
ES-HG-S09-F40-R120	Size 40	120:1	High-Torque Hollow Shaft Gear Unit	382 Nm	802 Nm	1530 Nm	4000 rpm	≤20 arc-sec	7.2 kg	Structured	View Product
ES-HG-S09-F40-R160	Size 40	160:1	High-Torque Hollow Shaft Gear Unit	382 Nm	841 Nm	1530 Nm	4000 rpm	≤20 arc-sec	7.2 kg	Structured	View Product
ES-HG-S09-F45-R80	Size 45	80:1	High-Torque Hollow Shaft Gear Unit	407 Nm	918 Nm	1651 Nm	3800 rpm	≤20 arc-sec	6.5 kg	Structured	View Product
ES-HG-S09-F45-R100	Size 45	100:1	High-Torque Hollow Shaft Gear Unit	459 Nm	982 Nm	2041 Nm	3800 rpm	≤20 arc-sec	6.5 kg	Structured	View Product
ES-HG-S09-F45-R120	Size 45	120:1	High-Torque Hollow Shaft Gear Unit	523 Nm	1070 Nm	2288 Nm	3800 rpm	≤20 arc-sec	6.5 kg	Structured	View Product
ES-HG-S09-F45-R160	Size 45	160:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F50-R80	Size 50	80:1	High-Torque Hollow Shaft Gear Unit	484 Nm	1223 Nm	2418 Nm	3500 rpm	≤20 arc-sec	14.5 kg	Structured	View Product
ES-HG-S09-F50-R100	Size 50	100:1	High-Torque Hollow Shaft Gear Unit	611 Nm	1247 Nm	2678 Nm	3500 rpm	≤20 arc-sec	14.5 kg	Structured	View Product
ES-HG-S09-F50-R120	Size 50	120:1	High-Torque Hollow Shaft Gear Unit	688 Nm	1404 Nm	2678 Nm	3500 rpm	≤20 arc-sec	14.5 kg	Structured	View Product
ES-HG-S09-F50-R160	Size 50	160:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F58-R80	Size 58	80:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F58-R100	Size 58	100:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F58-R120	Size 58	120:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product
ES-HG-S09-F58-R160	Size 58	160:1	High-Torque Hollow Shaft Gear Unit	Under review	Under review	Under review	Under review	Under review	Under review	Structured	View Product

Engineering Files

Product-specific controlled documentation

Recorded files remain controlled records. Select the exact size-level product and submit the application context before any drawing or CAD release is reviewed.

2D Dimension Drawing

Recorded, controlled review

8 recorded

STEP / STP CAD

Recorded, controlled review

7 recorded

OEM INTEGRATION RESPONSIBILITY

This product is a component or configurable module intended for integration into an OEM, commercial, industrial or research system.

The customer is responsible for final product selection, system-level risk assessment, safety functions, mechanical and electrical integration, validation, certification and regulatory compliance.

Published ratings apply only under the stated conditions. Confirm the operating point, interfaces, control compatibility, thermal conditions, duty cycle and required documentation before final selection.

This product is not approved for a safety-critical or restricted application unless expressly authorized in writing.

TRANSMISSION INTEGRATION

Confirm rated and peak torque, backlash, stiffness, radial and axial loads, mounting accuracy, lubrication, temperature, duty cycle, shock loading and expected service life.

Published service-life information depends on the stated load and operating assumptions and does not constitute a complete system-life guarantee.

Read Product & Service Compliance Notice