How to write bearing model with pen

Standard bearing shall be marked with bearing code, bearing name, (bearing size specification) and bearing standard number;

For example: common bearing (old model zero 105): bearing code 6005, bearing name deep groove ball bearing, bearing size specification 25*47* 12, bearing standard number GB276-89. If accuracy is required, the accuracy grade (P6) should be marked after the bearing code, and if sealing method is required, the dustproof mark should also be marked.

Generally write with a pen: bearing 6005 is enough, it is clear that it is an ordinary bearing;

More clearly: bearing 6005 25*47* 12.

I hope it helps you!