|material||Chrome steel 52100(Gcr15)|
|ring material||Chrome steel 52100(Gcr15)|
|cage material||300 Series Stainless Steel|
|ball material||Chrome steel 52100(Gcr15)|
|shields material||300 Series Stainless Steel|
|lubrication||grease or oil|
|Dynamic Load Rating (Cr)||95 N|
|Static Load Rating (Cor)||26 N|
Mini bearings is also called mini ball bearings or micro bearings,it is same as miniature ball bearings and miniature bearings, and it is referred to miniature ball bearings with a bore diameter less than 10mm.
Runstar has full series of mini bearings,there are metric series and inch series of mini bearings with or without flange for choices.
The item 681xzz is one of pop mini bearings in Runstar, it is a metric series of mini bearings with shields, It is with a bore diameter 1.5mm,a outer diameter 4mm, and a width 2mm, and it is a very pop size for fingerboard wheel.
Zhangzhou Runstar Bearings Manufacturing Co.;Ltd is a professinal mini bearings manufacturer for industries since 2007,certified ISO9001:2015.
Equipped with advanced production line and inspection instruments, Runstar have our own factory of nearly 5000 square meters and we have our own professional R&D teams to supply and solve the solutions for industries.we design and manufacture metric and inch of mini bearings with a grade from ABEC-1 to ABEC-9,the material of mini bearing from Runstar can be chrome steel,stainless steel or hybrid ceramic for choice. All mini ball bearings from Runstar are strictly controlled under ISO9001:2015,with RoHs and REACH compliance.