Jaw Coupling Hub – Cplg Size: 20R, Straight Jaw, 1.8750 in Bore, Finished w/ Keyway & SS, Sintered Metal Material | 0789452

0789452 WRAPFLEX 20R PM HSB 1.875 Rexnord R10 Series Straight Bore Style-Stock Bore (HSB) Hubs size(s) 20R with a 3.620-inch outside barrel diameter and 1.77-inch length for elastomeric couplings.