5x10mm Bearing

The 5x10mm bearing represents the pinnacle of design for RC racing. Also known as the 5x10x4mm ball bearing or MR105 ceramic ball bearing, the 5x10mm bearing offers racers reduced friction and centrifugal force, all without sacrificing superior durability. Indeed, the advanced composition of the 5x10mm bearing – aerospace grade silicon nitride – renders it shatter-proof. For enhanced performance, the 5x10mm bearing comes pre-oiled with Acer Racing SIN synthetic oil, rather than grease, and is sealed on both sides.

MR105 Ball Bearing

Raise the level of your game with the MR105 ball bearing, where state-of-the-art technology and unparalleled workmanship has come together to offer racers a product that is both durable and lightweight. Also known as the 5x10x4mm bearing or the 5x10mm ceramic ball bearing, the MR105 ball bearing has a low mass and is made of advanced aerospace grade silicon nitride. The high-performance, shatter-proof MR105 ball bearing is available for FREE USPS First Class shipping to anywhere in the world. There is no minimum order!

5x10x4mm Ceramic Ball Bearing

Here at Acer Racing, the most trusted name among RC racing aficionados, we offer the popular 5x10x4mm ceramic ball bearing at extremely competitive prices. The 5x10x4mm ceramic ball bearing, also known as a 5x10mm ball bearing or a MR105 bearing, is made of the finest aerospace grade silicon nitride, making it extremely lightweight and shatter-proof at the same time. Sealed on both sides, the 5x10x4mm ceramic ball bearing is a perfect choice for racers who won’t settle for less than the highest performance.