What Is A Ceramic Bearing

The balls and rolling elements in a ball bearing are traditionally made of steel.

What is a ceramic bearing.

The bearing clearance is a measurement given to the small gap between the inner race outer race and balls. Full ceramic bearings have races and balls that are made entirely of ceramic material and are superior to common steel bearings in many ways. Because ceramic bearings are rounder with a smoother surface and more uniform size friction is reduced and that can contribute to a less energy required to turn the cranks or spin the wheels. A ball bearing is a piece of equipment that uses balls to reduce friction in a spinning system.

Full ceramic bearings have a very low coefficient of friction compared to steel bearings or even hybrid bearings. On ceramic bearings this is usually a c3 clearance whilst on steel it s usually cn. Full ceramic bearings are also non magnetic meaning they can be used in medical devices such as mri scanners or any application where there is a strong magnetic field. Ceramic is the perfect material for any application seeking to achieve higher rpm s reduce overall weight or for extremely harsh environments where high temperatures and corrosive substances are present.

It is required to prevent bearing seizure when it warms up and expands. While regular bearings are made from stainless steel ceramic bearings are made from ceramic silicon nitride si2n4. However ceramic ball bearings have emerged and are being used in a variety of. Ceramic ball bearings are ball bearings that are made of ceramic rather than steel.

Performance ceramic bearings have an enemy. Although the ceramic balls will not be affected by rust the steel casings of each bearing are still vulnerable to the elements. Mrc hybrid ceramic ball bearings use a combination of traditional 52100 steel rings precision matched with silicon nitride ceramic balls. The coefficient of friction for unlubricated zro2 bearings at ambient temperature in air with a light load is approximately 0 0012.

However ceramic bearings do not perform well when lubricated with grease lubricant. In addition to being excellent electric insulators hybrid bearings have a higher speed capability and will provide longer service life than all steel bearings in most applications. Rolling resistance is the key trump card promoted by ceramic bearing fans. Boca bearings is the leader in ceramic and ceramic hybrid bearing technology for industrial and recreational applications.