This bit has a 14 degree cutting Draft with a bearing that matches, #57268, diameter (D): 2-3/16, angle (a°): 14°, radius (r): 33/64, cutting Height (B): 63/64, shank (D): 1/2, overall length (L): 2-25/32, B1: 25/32, replacement bearing: 47785, flutes: 2, D1: 55/64, 57268 carbide Tipped undermount bowl Solid surface 2-3/16 dia x 63/64 x 14 Deg X 1/2 inch Shank