SANWA 40mm/1.57in Trackball, Replacement Ball GMATB39, GMAWTB40, GMABTTB41, Kensington Orbit Fusion, and Other Compatible Trackball Mice, Glossy Black

Price: $13.49 - $10.49
(as of Dec 04, 2025 15:48:04 UTC – Details)

From the brand

At SANWA, we create solutions that make life more comfortable and satisfying, whether at work or at home. Our products are designed to be functional, high-quality, and stylish, making your spaces for family, friends, and colleagues more comfortable and enjoyable.

Our Philosophy

Think People FirstCreate with EmpathyGrowing together

Twist. Click. Command.

Fingers Fly, Tasks Done.

New Release

Hot Pick

Trackball Mouse

Colorful Precision at Play.

Ergonomic Mouse & Keyboard

DVD / CD Case

What problem are we solving?

We make life more comfortable by addressing everyday needs and evolving with changing times.

What makes our products unique?

Our products are designed with empathy, focusing on functionality, quality, and creating a WOW experience. We make items that feel essential and delightful to use.

Why do we love what we do?

We’re passionate about improving lives through thoughtful design. Seeing our products bring comfort and happiness makes every effort worthwhile.

Product Dimensions ‏ : ‎ 1.57 x 1.57 x 0.1 inches; 2.08 ounces
Item model number ‏ : ‎ GBALL40BK
Date First Available ‏ : ‎ March 18, 2025
Manufacturer ‏ : ‎ SANWA SUPPLY
ASIN ‏ : ‎ B0F1T1KMVS
Best Sellers Rank: #13 in Computer Trackballs
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【Fit in 40mm Trackball Mouse】- This replacement ball is designed for any trackball mouse using a 40mm/1.57 inch trackball. Compatible with models like SANWA: GMAWTB40, GMABTTB41, MATB39; Kensington: Orbit Fusion(K75326WW), ‎K70990WW, K72675WW, K72337US, K70991WW, K70990WW, Orbit K64327F. Note: This ball is Not suitable for Trackman T-RB22 mouse (which uses 43mm/1.69″ ball).
【Work with Optical Sensor】-This replacement trackball provides excellent optical sensors sensitivity. Comfortable for finger control and ensures a smooth & agile movement. Specialized in precise pointing, multi-screen work, file works, excel, data processing, and efficiency improvement.
【How to Remove the Ball】- This SANWA trackball replacement can be easily removed from the mouse bottom using your finger or a pen.
【Glossy Black Color】- Its surface is painted with a scratch-resistant coating and glossy black color for more effortless optical identification and smooth movement. Works Temperature: -40℃ to 60℃.
【Quick Cleaning Tips】- This mouse ball replacement part is simple to clean. Either use a soft brush or a lint-free fabric. Before replacement, we suggest that you can clean the inside ball hole to avoid possible erratic cursor movement.