V Belt AX50 1/2"x5/16"x52" V Belt B61 (5L640)  5/8"x13/32"x64" V Belt A86 (4L880) 1/2"x5/16"x88"
V Belt AX71 1/2"x5/16"x73" V Belt B60 (5L630)  5/8"x13/32"x63" V Belt A89 (4L910) 1/2"x5/16"x91"