Grooved ball bearing 3800 Feature:
1). High accuracy
2). Low noise
3). Low weight

Deep groove ball bearings have a groove on the outside and the inside of the bearing.
These grooves reduce strain on the bearings, so they can take heavier loads and operate in high-speed conditions.
Deep groove ball bearings can be used in chainsaw that uses ball bearings to avoid heavy friction.

Suggestion:
Please kindly check the packages after you receive the goods, if you got wrong products/ quality problem/short quality,
please get back to us as priority. Please note that you need to send us pictures of the defective items concerning this,
and we will consider to replace or refund accordingly.
However, DO NOT viciously slander or maliciously attack, we are not big enough to stand this.
Thank you for understanding!