22 mm x 50 mm x 22 mm NMB RBM22 sliding bearing

Sliding bearing offers -20 to +100 &de operating temperature range: a 22 mm x 50 mm x 22 mm NMB RBM22 sliding bearing selection of Genuine Sliding bearing at Wholesale Prices. We are a 22 mm x 50 mm x 22 mm NMB RBM22 sliding bearing SNR BEARING Accessories LIMITED 22 mm x 50 mm x 22 mm Certified Parts Retailer

What is RBM22 bearing cross reference？