PB25 Spherical Plain Bearing 25x56x22/31 Miniature Plain BearingsPB25 Spherical Plain Bearing 25mm x 56mm x 22mm 31mm PB25 Spherical Plain Bearing, PB25 consists of a spherical 25mm bore 31mm wide inner ring, an outer ring of 56mm diameter 31mm wide, and in between a copper alloy bushing. Item: PB25 Ball Bearing Type: Spherical Plain Bearing inner Diameter (ID): 25mm outer diameter (OD): 56mm outer ring width: 22mm inner ring width: 31mm Size: 25 x 56 x 22 31 mm Quantity: One Bearing Dynamic Load Rating: 4,710 KGF