Conversion Joint The following chart shows dimensions that remain constant within each given joint size, regardless of the type of part purchased. For instance all 6c yokes, whether a weld yoke, end yoke, slip yoke, etc. share the dimensions shown. ROUND BEARING WING BEARING             SIZE STYLE A B C D E   1310 2C-TW 1.06 3.47 3.12 0.38 0.31 R291 1310 3C-TW 1.06 3.47 3.56 0.38 0.31 R356 1410 4C-B 1.19 4.44 4.25 0.38 0.31 R345 1410 4C-D 1.19 4.44 4.25 0.38 0.31 R346 1480 5C-B 1.38 4.44 4.53 0.56 0.38 R347 1480 5C-TW 1.38 4.44 4.53 0.56 0.38 R348 1550 6C-TW 1.38 4.97 5.53 0.56 0.38 R220 1550 6C-B 1.38 4.97 5.53 0.56 0.38 R221 1550 58WB-B 1.38 4.97 5.84 0.63 0.50 R328 1710 8.5C-B 1.94 6.09 6.50 0.63 0.50 R704 1810 9C-B 1.94 7.59 8.25 0.63 0.50 R324 1880 9C-B 2.19 8.09 8.25 0.63 0.50 R326 BEARING-DESCRIPTION: B=BLOCK, TW-THREADED WING, D=DELTA WING