20 mm x 52 mm x 15 mm 20 mm x 52 mm x 15 mm Timken 304K Timken Bearing

How 58.2 kN Basic dynamic load rating C do I place an EMERGENCY order for a 20 mm x 52 mm x 15 mm 20 mm x 52 mm x 15 mm Timken 304K Timken Bearing that I want UBC Mechanical Electronic Instrument Co., Ltd. to pick up at a 20 mm x 52 mm x 15 mm our store?

What is 304K bearing cross reference？