KOYO 608 is made in japan KOYO brand bearing

12 Published by admin Sep 30,2021

Koyo 608 is made in japan KOYO brand bearing,608 is open type,it is
special bearings for roller skates.Below is 608 bearing datasheet for your reference:
D (diameter) : 8 mm  
OD (outer diameter) : 22 mm  
B (thickness) : 7 mm  
Small r: 0.3  
Cr(rated dynamic load):3.3kN  
Cor(Rated static load):1.35kN  
Grease :34000rpm  
Oil(Oil lubrication):41000rpm  
B_type (Category): Deep groove ball bearings  

koyo 608 bearing
6 of 608 bearings represents 6 series deep groove ball bearings, 0 is the size series, 8 is the size of the inside diameter of 8mm.  The dimensions are 22mm outside diameter, 7mm height and 8mm inside diameter.  7 steel balls with a diameter of 3.969mm.  
Koyo 608 bearing application:
608 bearings are generally used in motor, motor, electronic accessories, trolleys, roller skates,office equipment, Micro motor, Instrument, laser engraving, small clock, soft drive, pressure rotor, dental drill, hard disk motor, stepper motor, Video recorder magnetic drum, toy model, computer cooling fan, cash counting machine, fax machine and other related fields.   
Causes of failure of koyo 608 bearings:

original koyo 608
About 40% of the failure of koyo 608 bearings is caused by dust, dirt, debris pollution and corrosion.  Pollution is usually caused by incorrect use and poor operating conditions.
The failure of koyo 608 bearings caused by the environment and pollution can be prevented, and the cause of such failure can be determined by simple naked eye observation.  As long as the use and installation are reasonable, the denudation of miniature bearings is easy to avoid.  Denudation is characterized by indentation on the micro bearing ring raceway caused by impact load or incorrect installation.The compaction on the koyo 608 bearing ring also produces noise, vibration and additional torque.  
If you need koyo 608 bearing or need any other bearings, please feel free to contact me!
Contact: Leon
Skype: lh19881023
MP/Whatsapp: +8615098916271

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