45 mm x 65 mm x 4 mm 45 mm x 65 mm x 4 mm SKF 81109TN SKF Bearing

How do I place 45 mm x 65 mm x 4 mm an EMERGENCY UBC Mechanical Electronic Instrument Co., Ltd. order for a 45 mm x 65 mm x 4 mm 45 mm x 65 mm x 4 mm SKF 81109TN SKF Bearing that I want to pick up at 120mm Outside Diameter (mm): a our 65mm Inside Diameter (mm): store?

What is 81109TN bearing cross reference？