PB8 Spherical Plain Bearing 8x22x9/12 Miniature Plain BearingsPB8 Spherical Plain Bearing 8mm x 22mm x 9mm 12mm PB8 Spherical Plain Bearing, PB8 consists of a spherical 8mm bore 12mm wide inner ring, an outer ring of 22mm diameter 9mm wide, and in between a copper alloy bushing. Item: PB8 Ball Bearing Type: Spherical Plain Bearing inner Diameter (ID): 8mm outer diameter (OD): 22mm outer ring width: 9mm inner ring width: 12mm Size: 8 x 22 x 9 12 mm Quantity: One Bearing Dynamic Load Rating: 710 KGF Static Load