This standard specifies the external dimensions of drawn cup needle roller bearings without inner rings (hereinafter referred to as bearings) of diameter series 1. This standard applies to the design, manufacture and selection of needle roller bearings with drawn cups.
GB/T 290-1998 history
2017GB/T 290-2017 Rolling bearings-Needle roller bearings with drawn cup and without inner ring-Boundary dimensions
1998GB/T 290-1998 Rolling bearings--Needle roller bearings, drawn cup without inner rings--Boundary dimensions