287218 Non-Standard Deep Groove Ball Bearings (1 PC) 28x72x18mm Bearings

100% brand new and high quality. Precision screwdrivers for repairing. Adopt superior metal and optimized structure. What is non-standard bearing? Non-standard bearings, is not in line with the national standards for the size of the bearings, also known as the overall size of the national standard is different from the provisions of all bearings. Its main features are low degree of versatility, many for special equipment, special occasions, small batch, new research and development equipment trial products accounted for the majority, but because of its not large-scale, batch production, production enterprises are not many, the cost is high, the price is more expensive.

SPECIAL NOTE Dear friend, Please read this email before your purchase. You are about to buy non-standard bearings, Non-standard bearings The most important thing is to confirm that the dimensions meet your requirments, Our non-standard bearing sizes are marked in the picture. Please check! The type of seal is mainly 2RS, some will be different, maybe OPEN or ZZ, this can not be guaranteed. If the seal is important to you, please give us a message to confirm. Non-standard bearing because of the difficulty of size processing, the quality of nomal ABEC-1.

Non-standard bearings are used in special places, are custom-made for customers. Hope is also helpful to you. In order save your time. please check description before ordering.