12 mm x 22 mm x 22,9 mm Samick LME12UUAJ linear bearings

How do I place an EMERGENCY order for a 12 mm x 22 mm x 22,9 mm Samick LME12UUAJ linear bearings that NTN BEARING CORP.OF CANADA LTD. I want to pick GE 25 ES Bearing number up at a our 12 mm x 22 mm x 22,9 mm store?

What is LME12UUAJ bearing interchange？