... Prompt delivery Cam follower/ roller bearrings including series: RNA22, 2RS, 2RS X, NA22, 2RS X,NATR, NATR PP, NATV, NATV PP, NUTR and ... NUTR XRNA22, 2RS roller-type bearing:Diameter of this wheel size same as ... absorb shocks of axial load Cam follower/Roller bearing/RNA22..2RS,NA22..2RS/NATR/NATV/NUTR....