PB20 Spherical Plain Bearing 20x46x18/25 Miniature Plain BearingsPB20 Spherical Plain Bearing 20mm x 46mm x 18mm 25mm PB20 Spherical Plain Bearing, PB20 consists of a spherical 20mm bore 25mm wide inner ring, an outer ring of 46mm diameter 18mm wide, and in between a copper alloy bushing. Item: PB20 Ball Bearing Type: Spherical Plain Bearing inner Diameter (ID): 20mm outer diameter (OD): 46mm outer ring width: 18mm inner ring width: 25mm Size: 20 x 46 x 18 25 mm Quantity: One Bearing Dynamic Load Rating: 3,140 KGF