There are several types of coatings for bearings, including polymer coatings, ceramic coatings, metallic coatings, and fluoropolymer coatings. Each type is designed for specific applications—polymer coatings provide self-lubricating properties, while ceramic and metallic coatings offer high-temperature resistance and durability in heavy-duty operations.
Coating Solutions for Bearings
Bearing Coatings at a Glance
When bearings operate under extreme conditions — such as high speeds, heavy loads, and corrosive environments — surface protection becomes critical. Armoloy works directly with engineers to apply tailored coatings that extend component lifespan, improve efficiency, and reduce wear across demanding applications.
From EV drivetrains and aerospace turbines to surgical robotics and industrial automation, advanced surface engineering helps bearings maintain reliability where traditional materials alone fall short.
Common Bearing Types
Ball, roller, sleeve, thrust, and more
Applications
Aerospace turbines, EV drivetrains, medical robotics, industrial automation, marine systems, cleanrooms
Coating Considerations
Substrate material, temperature, chemical compatibility, bearing load, speed, environmental constraints
Performance Outcomes
- ✔️ Minimize wear in high-load, high-speed environments
- ✔️ Resist corrosion from fuels, saline, or chemicals
- ✔️ Maintain tolerance across temperature cycles
- ✔️ Reduce dependency on lubricants

Why Bearings Need Surface Solutions
Bearings are built for motion, but motion creates friction, and friction leads to failure. Even the most precisely engineered bearing will wear down over time — unless they’re protected.
The right coating upgrades a standard bearing into a long-lasting, high-efficiency component. It minimizes metal-to-metal contact, reduces heat buildup, resists corrosion, and holds its shape across thousands of cycles.
At Armoloy, we’ve coated bearings for everything from orthopedic robotics to jet engines. Each one starts with the same question: What is this bearing up against — and how can we help it win?
The right coating can help your bearing:
- Reduce surface wear and scarring
- Resist fuels, saltwater, and industrial chemicals
- Maintain dimensions through heat cycles
- Lower lubricant use and maintenance
- Prevent early failure and extend lifespan
Types of Bearings We Coat
Whether your bearing is rotating, oscillating, or running at the edge of tolerance, chances are we’ve coated it.
Benefits of Bearing Coatings from Armoloy
Metal failure mitigation
Armoloy protective coatings have helped mitigate risk from a wide range of metal failures
Improve performance
We produce solutions that prevent metal failure while increasing cycle times
Reduce downtime
Armoloy helps protect your metal assets by reducing the need for maintenance and making maintenance more predictable
Decrease costs
In addition to reduced downtime, Armoloy coatings are a cost-effective way of meeting performance requirements instead of using an exotic or expensive base metal
Regulatory compliance
Select Armoloy locations are certified to NADCAP, AS9100, and ISO 9001—with plating lines compliant to industry standards including AMS 2438 and AMS 2460
Long-lasting solutions
Our performance for over 65 years and constant innovation provides continual value for your business
Global reach
Armoloy operates a total of 9 processing facilities across 7 U.S. states, as well as 6 international facilities located in individual countries spread throughout 3 continents
Turnkey partnership
We’re with you throughout the entire process, acting as a single point of contact for all deliverables

Why Choose Armoloy?
Start-to-Finish Surface Solutions
- From early-stage consultation to final inspection, we manage every step in-house, backed by a full metallurgical lab and decades of coating expertise.
Proven Process Development
- Our innovation center builds repeatable, validated processes you can count on. Wherever your coating is fulfilled, it’s done to the same precise spec.
Global Fulfillment, Local Support
- With coating centers and logistics support across the globe, we deliver fast, consistent quality wherever your operations are.
Tested. Trusted. Certified.
- Armoloy coatings meet rigorous regulatory and industry standards, from RoHS and REACH to ISO and Nadcap. See our full list of Accreditations and Specifications.
Accreditations & Specifications for Bearings Coatings
Process Accreditations at Armoloy
Armoloy coatings have passed the rigorous testing standards for the following accreditations:
Frequently Asked Questions
Coatings reduce friction in bearings by creating a low-friction, wear-resistant surface that minimizes direct metal-to-metal contact. For example, Armoloy Thin Dense Chrome (TDC) features a micronodular surface structure that can retain trace lubricants or function effectively in dry or low-lube conditions.
This reduces frictional drag, prevents galling, and minimizes heat buildup during operation — all of which contribute to smoother performance and longer service life. In high-load or high-speed applications, coatings also protect against abrasion, fretting, and lubricant breakdown, improving bearing efficiency and reliability.
Fighting friction? Let’s find your bearing solution.

Partner With Us
Eliminate metal failure from your operations. Meet our group of curious, innovative engineers and learn how we can help improve your industry with science-based solutions.









