Precision CNC Machined Wheel Hubs for Robotics
RobotPartsCNC manufactures wheel hubs for AMRs, AGVs, and mobile robotic platforms, engineered for accurate bearing integration, dependable load transfer, and precise rotational performance.
±0.01 mm
Routine machining tolerance
Ra 0.4–1.6 μm
Controlled bearing finishes
3–7 days
Prototype machining window
Designed for
AMRs, AGVs & drive systems
Built around
Bearing fit and true running
Engineering requirements
A wheel hub is the mechanical link between motion and the floor.
In mobile robotics, the hub connects the drive motor, bearing assembly, and wheel. Manufacturing accuracy directly affects vibration, motion control, service life, and load handling.
Bearing fits
Bearing seats are machined to tolerance classes such as H7/p6 or similar, supporting press-fit or transition-fit assemblies that help prevent vibration and premature bearing failure.
Concentricity and runout
The axle bore and outer wheel surface are controlled as a system to reduce wobble and support smooth, repeatable motion control.
Load distribution
Wall thickness and material selection are considered against the robot’s weight, speed, and dynamic loads to support structural integrity.
Wheel-body connection
External mounting patterns, bolt holes, keyways, and drive interfaces are produced for accurate and secure connection to the wheel assembly.
Machining capabilities
Complex hub features completed with fewer alignment risks.
Multi-axis CNC turning and mill-turn centers allow complex features to be produced in a single setup, minimizing errors caused by moving parts between machines.
Precision turning
CNC lathes produce internal bearing bores, seal grooves, external profiles, and mounting patterns.
Live tooling
Cross-drilling and milling for bolt holes, keyways, and drive interfaces can be completed in the same cycle as turning.
Tight tolerances
Routine capability reaches ±0.01 mm, with tolerances down to ±0.005 mm for critical bearing interfaces.
Surface roughness
Bearing bores and mounting faces can be controlled to Ra 0.4–1.6 μm for proper seating and reduced friction.
Material selection
Match hub material to robot mass, torque, and environment.
Raw material procurement and machining are available for alloys selected around weight reduction, durability, corrosion resistance, and operating conditions.
Aluminum 6061-T6 / 7075-T6
Weight reductionIdeal for lightweight AMRs where reducing unsprung mass is a priority.
Stainless Steel 303 / 304
Corrosion resistanceSuitable for medical, food-grade, or cleanroom environments where corrosion resistance is required.
Carbon Steel 1045 / 4140
High load and torqueRecommended for heavy-duty logistics robots and industrial AGVs requiring maximum durability.
Finishing and traceability
Protection and identification for the complete hub assembly.
Hard anodizing
Improves aluminum surface hardness against grit and debris.
Electroless nickel
Protects steel components with a uniform coating on complex geometries.
Black oxide
Provides a cost-effective finish for minor corrosion protection.
Laser marking
Adds part numbers, batch codes, or assembly orientation markers.
Quality control
Inspection aligned with your drive-system specifications.
Every hub is inspected for dimensional accuracy, geometric performance, and assembly compatibility.
Dimensional verification
CMMs and digital height gauges verify bore size, flange thickness, and hole positions.
Geometric checks
Concentricity, perpendicularity, and parallelism are measured to ensure the wheel runs true under load.
Fitment testing
FAI reports and optional bearing or shaft test-fitting verify assembly compatibility.
Prototype to production
A scalable path for robotics developers.
From initial wheel configuration tests to repeat production, RobotPartsCNC supports each stage of the product lifecycle.
Prototypes
Rapid CNC machining for design validation and testing of wheel configurations or material weights in 3–7 working days.
Low-volume pilot runs
Consistent batches of 10–500 units for companies transitioning to field testing.
Production manufacturing
Setup and tooling optimization for repeat orders of 1,000+ units, supporting cost efficiency and stable lead times.
Design for manufacturability
Review the design before it reaches the machine.
The engineering team reviews CAD models to identify issues that could affect performance, machining complexity, or cost.
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✓
Wall thickness optimization
Help prevent chatter during machining while maintaining structural requirements.
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✓
Corner radius adjustment
Adapt pocket geometry to accommodate standard tool sizes.
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✓
Setup reduction
Simplify complex geometries where possible to reduce the number of machining setups.
Technical questions
Wheel hub project guidance
Request a quote
Send your wheel hub project for engineering review.
Share your CAD files, drawings, material requirements, quantity, and inspection needs for a prompt review from our engineering team.
RobotPartsCNC
Email: info@robotpartscnc.com
Tell us about your application
Our team can review your requirements for robotics, automation, and motion-control components.