2911BNLS Nachi Bearing Single-direction Thrust Japan 55x78x18 Bearing2911BNLS Nachi Single direction Thrust Ball Bearing 55mm x78mm x 18mm Made in Japan 2911BNLS Nachi Single direction Thrust Ball Bearing, inner diameter is 55mm, outer diameter is 78mm and width is 18mm, Made in Japan 2911BNLS Nachi Ball Bearing Nachi Deep groove Ball Bearing Closures: Open Dimensions: 55mm x78mm x 18mm Metric ID (inner diameter) Bore: 55mm OD (outer diameter): 78mm Width: 18mm Size: 55 x 78 x 18 mm Quantity: 1 Bearing Dynamic load