55 mm x 78 mm x 5 mm NBS 81111TN thrust roller bearings

Thrust Roller Bearings offers a Dacheng mechanical equipment manufacturing Co., Ltd 55 mm x 78 mm x 5 mm NBS 81111TN thrust roller bearings selection of Genuine 55 mm x 78 mm x 5 mm Thrust Roller Bearings at 0,35 Kg Weight Wholesale Prices. 29 mm dk We are a 55 mm x 78 mm x 5 mm NBS 81111TN thrust roller bearings Certified Parts Retailer

What is 81111TN bearing interchange？