Bearings help things move smoothly by reducing friction and supporting rotation in machines like cars and factories. They are important. To ensure their proper function and longevity, it is essential to mark them with specific information. This article discusses the importance of bearing markings, the difficulties of traditional marking, and how fiber laser technology has improved the process.

laser engraving process

Why do I Need to Mark My Bearings?

Bearing markings are alphanumeric codes that provide critical information about the bearing’s identity and specifications. These include the bearing’s type, boundary dimensions, series, and other unique characteristics. For instance, the second number in a bearing code can show the series, indicating the bearing’s strength and design. Understanding these markings is crucial for selecting the right bearing for a particular application and for maintaining it effectively.

Markings are also vital for inventory management, quality control, and traceability. They allow manufacturers and users to track the bearings’ origin, manufacturing date, and performance history. If there is a mistake or something needs to be returned, markings can help prevent a major disaster.

These markings provide important information that can help avoid big problems. They can make a significant difference in the outcome of the situation.

Traditional Challenges in Bearing Marking

Traditionally, bearings have been marked using methods such as stamping, painting, or inkjet printing. However, these methods have their limitations. Stamping can damage the bearing surface, and paint or ink can wear off or fade over time, especially in harsh environments. These issues can lead to misidentification, incorrect installation, and premature failure of the bearing.

Fiber Laser Marking Technology

Fiber laser marking technology has emerged as a superior alternative to traditional marking methods. It uses a high-powered laser to etch the surface of the bearing, creating a permanent and durable mark. The laser can engrave fine details, making sure the markings stay readable even in tough conditions due to its precision.

HeatSign’s Bearing Laser Marking Solution

HS-FL60-R Fiber Laser Engraver with Rotary Attachment
Fiber Laser Engraver With Rotary Attachment HS-FL60-R
Price Range:  $6000 ~ $8000

Suitable for marking small and medium-sized bearing parts, both on the outer ring and on the curved surface.

Portable laser marking machine on white background.

Portable HandHeld Laser Etcher For Metal (HS-PFL20-B)

Price Range:$3500 ~ $9000

Portable design, easy to move, suitable for marking large and medium-sized industrial bearings.

For small to medium-sized bearings, a fiber laser engraver with a rotary attachment is ideal. It can mark both the outer ring and curved surfaces with precision. A small laser printer is easy to carry and use for marking industrial bearings in different positions and places.

Fiber Laser Marking Machines VS Traditional Marking Methods for Bearings

Durability and Longevity: Fiber laser markers create permanent, wear-resistant marks ideal for bearings used in rigorous conditions, ensuring long-term identification and traceability.


Precision Detailing: With superior beam quality, fiber lasers achieve precise markings, crucial for bearings’ intricate details and specifications without compromising quality.


Material Versatility: These machines are great at marking many different materials like stainless steel, aluminum, and titanium. These materials are important for making different types of bearings.


Eco-Friendly Operation: Fiber laser marking is a clean technology that doesn’t create harmful waste or require dangerous chemicals, supporting environmental conservation.


Non-Contact Marking: Fiber lasers operate without physical contact, eliminating mechanical stress or alterations to the bearing, thus preserving its performance and integrity.

How to Mark Bearings with Laser Marker?

Preparation: Position the bearing accurately on the worktable.

Software Setup: Enter the marking details into the laser software. Adjust settings like output power and speed for the best results.

Alignment: Use the red light preview to ensure the marking area is correctly aligned. Make any necessary adjustments in the software.

Execution: Initiate the laser marking process. The laser will precisely engrave the bearing by vaporizing the top layer of material, revealing a sharp engraving beneath.

Cleanup: After marking, clean off any resultant dust from the surface of the bearing with a cloth or by hand.

Want to Improve Your Bearing Marking?

Bearings are crucial for machinery efficiency across various industries, and accurate marking is key to their performance and durability. HeatSign’s technology ensures durable, precise, and efficient bearing identification.