PB22 Spherical Plain Bearing 22x50x20/28 Miniature Plain BearingsPB22 Spherical Plain Bearing 22mm x 50mm x 20mm 28mm PB22 Spherical Plain Bearing, PB22 consists of a spherical 22mm bore 28mm wide inner ring, an outer ring of 50mm diameter 20mm wide, and in between a copper alloy bushing. Item: PB22 Ball Bearing Type: Spherical Plain Bearing inner Diameter (ID): 22mm outer diameter (OD): 50mm outer ring width: 20mm inner ring width: 28mm Size: 22 x 50 x 20 28 mm Quantity: One Bearing Dynamic Load Rating: 3,810 KGF