HP (540 rpm): 21 / HP (1000 rpm): 32. Size: R10. Lz (mm): 710. A (profile): 1 3/8" 6 splines. B (profile): 1 3/8" 6 splines. Profile pair: PR10Ti / PR10To. Universal joint size A profile (mm): 22 x 54. Universal joint size B profile (mm): 22 x 54. Profil Read more.