Single width (S) 2SC12S, 2SC18S, 2SC25S, 2SC31S, 2SC37S, 2SC43S, 2SC50S, 2SC56S, 2SC62S, 2SC68S, 2SC75S, 2SC81S, 2SC87S, 2SC93S, 2SC100S, 2SC106S, 2SC112S, 2SC118S, 2SC125S, 2SC131S, 2SC137S, 2SC143S, 2SC150S, 2SC156S, 2SC162S, 2SC168S, 2SC175S, 2SC181S, 2SC187S, 2SC193S, 2SC200S, 2SC206S, 2SC212S, 2SC218S, 2SC225S, 2SC231S, 2SC237S, 2SC243S, 2SC250S, 2SC256S, 2SC262S, 2SC268S, 2SC275S, 2SC281S, 2SC287S, 2SC293S, 2SC300S, 2SC318S, 2SC325S, 2SC337S, 2SC343S, 2SC350S, 2SC375S, 2SC381S, 2SC393S, 2SC400S, 2SC425S, 2SC443S, 2SC450S, 2SC475S, 2SC493S, 2SC500S, 2SC543S, 2SC550S, 2SC593S, 2SC600S, 2SC650S
Double width (D) 2SC12D, 2SC18D, 2SC25D, 2SC31D, 2SC37D, 2SC43D, 2SC50D, 2SC56D, 2SC62D, 2SC68D, 2SC75D, 2SC81D, 2SC87D, 2SC93D, 2SC100D, 2SC106D, 2SC112D, 2SC118D, 2SC125D, 2SC131D, 2SC137D, 2SC143D, 2SC150D, 2SC156D, 2SC162D, 2SC168D, 2SC175D, 2SC181D, 2SC187D, 2SC193D, 2SC200D, 2SC206D, 2SC212D, 2SC218D, 2SC225D, 2SC231D, 2SC237D, 2SC243D, 2SC250D, 2SC256D, 2SC262D, 2SC268D, 2SC275D, 2SC281D, 2SC287D, 2SC293D, 2SC300D, 2SC318D, 2SC325D, 2SC337D, 2SC343D, 2SC350D, 2SC375D, 2SC381D, 2SC393D, 2SC400D, 2SC425D, 2SC443D, 2SC450D, 2SC475D, 2SC493D, 2SC500D, 2SC543D, 2SC550D, 2SC593D, 2SC600D, 2SC650D
Stainless Steel 2SSC12, 2SSC18, 2SSC25, 2SSC31, 2SSC37, 2SSC43, 2SSC50, 2SSC56, 2SSC62, 2SSC68, 2SSC75, 2SSC81, 2SSC87, 2SSC93, 2SSC100, 2SSC106, 2SSC112, 2SSC118, 2SSC125, 2SSC131, 2SSC137, 2SSC143, 2SSC150, 2SSC156, 2SSC162, 2SSC168, 2SSC175, 2SSC181, 2SSC187, 2SSC197, 2SSC200, 2SSC206, 2SSC212, 2SSC218, 2SSC225, 2SSC231, 2SSC237, 2SSC243, 2SSC250, 2SSC256, 2SSC262, 2SSC268, 2SSC275, 2SSC281, 2SSC287, 2SSC293, 2SSC300, 2SSC318, 2SSC325, 2SSC337, 2SSC343, 2SSC350, 2SSC375, 2SSC381, 2SSC393, 2SSC400, 2SSC425, 2SSC443, 2SSC450, 2SSC475, 2SSC493, 2SSC500, 2SSC543, 2SSC550, 2SSC593, 2SSC600, 2SSC650
Dimension table reproduced from the Amec shaft collar catalog, page K-2.