50 mm x 90 mm x 23 mm 50 mm x 90 mm x 23 mm NKE 2210-K-2RS+H310 NKE Bearing

How do you find UBC Mechanical Electronic Instrument Co., Ltd. the 50 mm x 90 mm x 23 mm 50 mm x 90 mm x 23 mm NKE 2210-K-2RS+H310 NKE Bearing specification? Manufacturers Online 150mm Inside Diameter (mm): Free 80mm Width (mm): check！ 50 mm x 90 mm x 23 mm

What is 2210-K-2RS+H310 bearing cross reference？