The Crowded ball bearing is provided with a ball filling notch on one side without cage in its structure, which can hold more balls than standard bearings, improving its load carrying capability and avoiding limits of cage materials. But being wtihout cages, these bearings don't suite for high speed rotation.

Specifications for miniature bearing products without cage :

Crowded ball bearings with a ball filling notch on one side 

No cage 

Hold more balls than standard bearings , so as to improve their load carrying capacity and avoid limits of cage materials 

Demerits: being without cage, these bearings are not suitable for high speed rotation; the side with a filling notch should be placed on the section without carrying the axial load when mounted.

Provided with ball filling notches in their inner rings and outter rings, not suitable for relatively high axial load.

Yuhang Bearing is specialized in manufacturing ball bearings in various size, mainly in miniature, thin wall  ball bearings.

According to customers' requirements, we can also provide ball bearings in different structures and specifications  (such as crowded ball bearings with  cracked outer rings without ball filling notches )