ABR Series Right-Angle Helical Precision Planetary Gearbox

The ABR Series is a right-angle helical precision planetary gearbox designed for servo-driven motion systems where installation space is limited. Its 90° transmission structure provides compact installation, low backlash, high rigidity and stable torque transmission

Frame Sizes

ABR042–ABR220

Gear Ratios

3:1–100:1

Low Backlash

Multiple precision grades

Right-Angle Design

Space-saving 90° transmission

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Overview

The ABR Series right-angle helical planetary gearbox combines a compact 90° transmission structure with high rigidity and low-backlash performance, providing stable torque transmission and precise positioning for servo-driven motion systems.

With seven frame sizes from ABR042 to ABR220, reduction ratios from 3:1 to 200:1 and multiple precision grades available, the ABR Series is suitable for robotics, CNC machinery, automated production equipment and other applications where installation space is limited.

ABR Series Models & Selection

Model	Frame Size / Motor Frame	Stages	Ratio Range	Rated Input Speed	Max. Input Speed	Noise
ABR042	42 mm / NEMA17	1 / 2	3:1–100:1	5,000 rpm	10,000 rpm	≤61 dB
ABR060	60 mm / NEMA23	1 / 2	3:1–100:1	5,000 rpm	10,000 rpm	≤63 dB
ABR090	90 mm / NEMA34	1 / 2	3:1–100:1	4,000 rpm	8,000 rpm	≤65 dB
ABR115	115 mm / NEMA56 / NEMA143	1 / 2	3:1–100:1	4,000 rpm	8,000 rpm	≤68 dB
ABR142	142 mm	1 / 2	3:1–100:1	3,000 rpm	6,000 rpm	≤70 dB
ABR180	180 mm	1 / 2	3:1–100:1	3,000 rpm	6,000 rpm	≤72 dB
ABR220	220 mm	1 / 2	3:1–100:1	2,000 rpm	4,000 rpm	≤74 dB

Note: Efficiency is ≥97% for 1-stage and ≥94% for 2-stage. Backlash options: P0 ≤1 arcmin, P1 ≤4 arcmin, P2 ≤6 arcmin. Protection rating IP65; mounting direction: any direction; operating temperature: -10°C to +90°C; long-life synthetic grease lubrication.

Servo Motor Matching

Compatible Motors & Adapters

Servo Motor
Stepper Motor
BLDC Motor (where applicable)
Custom Flange Adapter

Information Needed for Matching

Servo brand & model

Flange size

Motor shaft diameter

Motor shaft length

Required reduction ratio

Required output torque

Share your motor model or drawing and we can help confirm a suitable ABR gearbox and adapter configuration.

Compatible Servo Motor Brands

The ABR Series can be matched with a wide range of mainstream servo motor brands using suitable adapter flanges. Please share the motor brand, model, flange dimensions and shaft specifications for compatibility confirmation.

Panasonic

Yaskawa

Mitsubishi Electric

Omron

Fuji Electric

SANYO DENKI

KEYENCE

Toshiba

Tamagawa Seiki

Shinko Electric

NIDEC SANKYO

Delta

LUST

Bosch Rexroth

Hitachi Industrial Equipment Systems

NIKKI DENSO

SANMEI

Miki Pulley

Typical Applications of the ABR Series

The ABR Series right-angle helical planetary gearbox is designed for servo-driven applications requiring compact installation, low backlash, high rigidity and precise torque transmission.

Robotic Arms & Cobots

Compact 90° transmission and low-backlash performance support precise robotic motion and space-saving joint designs.

CNC Rotary & Indexing Axes

High rigidity and accurate transmission support CNC rotary tables, indexing axes and precision positioning equipment.

Packaging & Labeling Equipment

Right-angle installation helps save space in compact packaging, labeling and automated production machinery.

Gantry & Linear Axis Systems

Stable torque transmission supports gantry systems, linear axes and precision rack-and-pinion drive applications.

AGVs & Mobile Robotics

Compact right-angle configuration is suitable for space-limited drive systems in AGVs, AMRs and mobile robotic platforms.

Precision Servo Motion Systems

Low-backlash transmission supports servo-driven positioning, indexing and synchronized motion applications.

Why Choose the ABR Series

The ABR Series right-angle helical planetary gearbox combines compact 90° transmission, low backlash and high rigidity for space-limited servo-driven motion applications.

Compact Right-Angle Design

Space-saving 90° transmission is ideal for equipment with limited installation space.

Low Backlash Precision

Multiple precision grades support accurate positioning and stable servo motion.

Fast Delivery

Standard ABR Series models can typically be shipped within 3–7 working days, depending on model and quantity.

Wide Ratio Range

Single-stage and two-stage configurations provide reduction ratios from 3:1 to 100:1 for different motion requirements.

Frequently Asked Questions

The ABR Series is available with multiple precision grades, including P0 ≤1 arcmin, P1 ≤4 arcmin and P2 ≤6 arcmin, depending on the positioning accuracy required.

The ABR Series offers 1-stage ratios from 3:1 to 20:1 and 2-stage ratios from 12:1 to 100:1.

The 90° transmission structure helps save installation space while providing high rigidity, low backlash and stable torque transmission for servo-driven applications.

The ABR Series can be matched with servo motors, stepper motors and other compatible motor types through suitable adapter configurations.

Need Help Choosing the Right ABR Series Gearbox?

Share your motor model, gear ratio, output torque or flange drawing. Our engineering team will help you configure the right ABR Series gearbox and motor interface, usually within 1 business day.

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