https://www.jrzc-bearings.com/Miniature-deep-groove-ball-bearings-6012.html
Miniature deep groove ball bearings refer to the metric series with an outer diameter of less than 9mm; the inch series, with an outer diameter of less than 9.525mm! The main materials are carbon steel, bearing steel, stainless steel, plastics, ceramics, etc.
Brand:JRZC/SUFUL
Model:6000-6200-6300
MOQ:1000
Specification:Zz/2RS/Open
Unit:pcs
Package Instruction:Tube packing or OEM brand pack