V Belt A51 (4L530) 1/2"x5/16"x53" V Belt BX65  5/8"x13/32"x68" V Belt AX50 1/2"x5/16"x52"
V Belt A55 (4L570) 1/2"x5/16"x57" V Belt BX64  5/8"x13/32"x67" V Belt AX53 1/2"x5/16"x55"