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ABB RV70E-118.5 Axis 6 Reduction Gear Unit

ABB RV70E-118.5 Axis 6 Reduction Gear Unit

ABB ROBOTICS & DRIVESRV70E-118.5 / Precision Gearbox Unit [ ORIGINAL ]
Component TypeRobot Precision RV Reduction Gearbox
Gear Ratio1:118.5 High Precision Ratio
ApplicationABB Industrial Robot Joint Systems
GLOBAL SOURCING COMMITMENT ★ ★ ★
“No matter where in the world the parts are located, we are committed to quickly and efficiently sourcing the spare and operational parts your equipment requires.”
Sales ManagerMiya zheng
✉ Email: sales@amikon.cn
☎ Phone/WhatsApp: 86-18020776792 
06
ABB ROBOTICS / MECHANICAL TRANSMISSION
RV70E-118.5
 
Axis 6 RV Gear for ABB IRB 6660

The RV70E-118.5 is identified in the IRB 6660 spare-parts structure as the Axis 6 RV gear. The assembly is associated with the IRB 6660 robot family and the 118.5 reduction ratio configuration.

Primary identification: RV70E-118.5
ABB spare-part references: 3HAC028121-004 / 3HAC028121-005
REDUCTION RATIO
118.5 : 1
RV70E configuration
 
ROBOT AXIS
AXIS 6
IRB 6660 robot family
 
PART REFERENCES
3HAC028121-004
3HAC028121-005
       
01
Technical Focus
 

A replacement-oriented identification block for maintenance teams working with ABB IRB 6660 mechanical assemblies.

TYPE
RV Gear
Robot mechanical transmission
 
APPLICATION AXIS
Axis 6
IRB 6660 configuration
 
RATIO
118.5
Reduction ratio
 
Compatibility note
RV70E-118.5 appears in the IRB 6660 spare-parts structure as the Axis 6 RV gear. The same assembly designation is associated with different color variants, which is why the exact ABB part number should be confirmed before ordering.
MAINTENANCE SCENARIO
When the Axis 6 Transmission Becomes Critical

In an IRB 6660 maintenance situation, the RV70E-118.5 becomes relevant when the Axis 6 mechanical transmission requires replacement or when the existing gear assembly can no longer support reliable robot motion.

A mechanical transmission problem can affect wrist-axis movement, positioning consistency and production availability. For a production cell that depends on the robot for continuous handling, welding, material movement or other programmed operations, an unresolved mechanical fault can extend downtime and delay restart.

Replacement check: Match the robot model, axis position, RV designation and ABB spare-part number before installation. For this model, 3HAC028121-004 and 3HAC028121-005 are associated with RV70E-118.5 variants.
Axis identification
Axis 6 RV gear configuration
 
Motion reliability
Mechanical condition directly matters to repeatable robot movement.
 
Downtime exposure
A failed mechanical axis can keep the robot cell from returning to production.
Industrial robot spare part
PRECISION SPARES / GLOBAL SUPPORT
Keep Critical Robot Axes Moving
 

Amikon supports industrial automation maintenance with a broad range of PLC, DCS, robot and drive spare parts.

ABB robot maintenance
Industrial automation maintenance
20
YEARS
 
Two Decades of Industrial Automation Experience

Founded in Hong Kong in 2005, Amikon has developed into an international supplier focused on industrial automation components and control-system spare parts.

Its product coverage extends across PLC, HMI, DCS, industrial PCs, robot spare parts and variable-frequency drive components, supporting customers seeking practical replacement solutions for production equipment and automation systems.

BUYER QUESTIONS
RV70E-118.5 — Practical FAQ
01. How can I confirm the correct RV70E-118.5 variant?

Confirm the robot model, axis position and the ABB spare-part number. RV70E-118.5 is associated with 3HAC028121-004 and 3HAC028121-005, which represent different product variants.

02. Is RV70E-118.5 used on the IRB 6660 Axis 6?

Yes. The IRB 6660 spare-parts structure identifies RV 70E-118.5 as the RV gear for Axis 6.

03. Why does RV70E-118.5 matter when an IRB 6660 cell is down?

Because the component belongs to the robot's Axis 6 mechanical transmission, an unsuitable or unavailable replacement can delay mechanical restoration and therefore extend production downtime.

04. Can 3HAC028121-004 and 3HAC028121-005 be treated as identical?

They share the RV70E-118.5 designation, but the product descriptions distinguish the variants by finish/color. Match the actual robot configuration and required part number before ordering.

05. What should I send when requesting an RV70E-118.5 replacement?

Please provide the exact Part Number, Quantity, Destination, Required Date and Machine/System. Including the robot model and axis position helps reduce the risk of matching the wrong mechanical variant.

LOGISTICS
 

Designed for maintenance purchasing where accurate identification and controlled delivery timing are important.

Delivery
3–5 Days
Warranty
12 Months
Condition
New Packaging
Payment
T/T
Delivery way: E-packing / FedEx / EMS / TNT / DHL / UPS
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Recommended-part matching: Always compare the required part number, robot model and application before purchase.
REQUEST A QUOTE
Send the Five Details

To speed up model matching, please provide:

Part Number
Quantity
Destination
Required Date
Machine / System

 

 

Refund / Replacement
Please contact us within 7 days after receiving the item if an issue needs to be addressed. Returned goods should remain in original condition and include the reason for return. A return or replacement can be arranged after the returned item is received. Shipping costs incurred by the buyer are the buyer's responsibility.
DIRECT CONTACT
Need RV70E-118.5?
Send the exact part number and robot configuration for a faster quotation.
ABB Robotics Spare Parts · RV70E-118.5 · Industrial Automation Support
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